Logo 2a1167

Welcome to LOGO! Dear Customer, We thank you for the purchase of LOGO! and congratulate you on your decision. With the LOGO! you have acquired a logic module that meets the stringent quality requirements of ISO 9001. LOGO! can be used in many fields of applications. Due to its high functionality and yet easy operation the LOGO! offers you highly efficient economies for almost any application.

LOGO! documentation This LOGO! Manual contains information relating to the installation, programming and the use of LOGO! 0BA3 Basic devices and LOGO! 0BA0 expansion modules as well as their down compatibility to the previous Basic devices 0BA0, 0BA1 and 0BA2 (0BAx are the last four characters of the order number, used to distinguish the module series). You can find information on wiring the LOGO! in the LOGO! manual and in the product info included with every device. Find supplementary information re programming the LOGO! with the PC in the Online Help for LOGO!Soft Comfort. LOGO!Soft Comfort is the programming software for PCs. It runs under Windows, Linux, and Mac OS X and helps you to get familiarized with your LOGO! and to write, test, print out and archive your programs, independent of the LOGO! .

Guide to the manual We have divided this manual into 9 chapters:

Working with LOGO! Installing and wiring the LOGO! Programming LOGO! LOGO! Functions Configuring LOGO! LOGO! Program Modules LOGO! Software Applications Appendices

LOGO! Manual A5E00119092-01

i

Welcome to LOGO! Major changes to previous Basic devices (0BA0 to 0BA2)

The design of LOGO!Basic versions is improved: all versions are equipped with 8 inputs and 4 outputs.

LOGO!Basic is modular: all versions are equipped with an expansion interface.

LOGO! is a versatile equipment: there is a series of expansion modules available to you, including, for example, digital modules and an analog module.

New features of the current Basic devices (0BA3)

protection for the program. Program name. Special ’Softkey’ function. New menu item “S/W Time” for automatic summertime/wintertime conversion.

Acknowledgment of the message text in RUN mode. Wall mounting is possible. Additional Queries related to your LOGO! can be answered quickly and easily on our website http://www.ad.siemens.de/logo .

ii


Welcome to LOGO! Safety guidelines The notes in this manual are for your own personal safety and for preventing damage to assets. You should read them carefully and follow the instructions they give you. These instructions are highlighted by a warning triangle and are marked as follows according to their danger level:

! ! !

Danger Warns that death, serious harm to health or damage to assets will result if the respective precautionary measures are not taken.

Warning Warns that death, serious harm to health or damage to can result if the respective precautionary measures are not taken.

Caution Warns that harm to health or damage to assets can result if the respective precautionary measures are not taken.

Note Draws your attention to particularly important information relating to the product and its handling, or to a part of the documentation requiring your special attention.

!

Warning


Only skilled personnel should be allowed to start and operate this device. Qualified personnel in the sense of the information on safety technology in this manual are persons who are authorized to commission, to ground and to tag circuits, equipment and systems in accordance with safety regulations and standards.

iii

Welcome to LOGO!

!

Warning This device must always be used as intended for the applications described in the catalog and in the technical specifications, and only in combination with non– Siemens devices or components approved or recommended by Siemens . Prerequisite for the safe and correct functioning of the product is its proper transportation, storage, commissioning and installation as well as meticulous operation and maintenance.

Copyright Siemens AG 1996 to 2001 All rights reserved The reproduction, distribution or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights reserved, in particular in the event of patents being granted or the registration of a utility model or design.

Disclaimer of liability We have examined the contents of this publication for agreement with the hardware and software described. Nevertheless, discrepancies cannot be ruled out. Any liability and warranty for the accuracy of this information is excluded. The data in this manual are reviewed at regular intervals. Any corrections required are included in the subsequent editions. Suggestions for improvement are welcomed.

iv


Contents 1

Working with LOGO! . . . . . . . . . . . . .

1

2

Installing and wiring the LOGO! . . .

11

2.1 2.1.1 2.1.2 2.2 2.2.1 2.2.2 2.3 2.3.1 2.3.2 2.3.3 2.4

Structure of the modular LOGO! . . . . . . . . . . . . . . . . Maximum structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . Structure with different voltage classes . . . . . . . . . . . Installing/uninstalling LOGO! . . . . . . . . . . . . . . . . . . Profile rail mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . Wall-mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wiring the LOGO! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Connecting the Power Supply . . . . . . . . . . . . . . . . . . . Connecting LOGO! inputs Connecting . . . . . . . . . . . LOGO! Outputs connecting . . . . . . . . . . . . . . . . . . . . . Switching on the LOGO!/Power return . . . . . . . . . .

13 13 14 15 16 20 22 22 24 29 31

3

Programming LOGO! . . . . . . . . . . . . .

35

3.1

Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

36

3.2 3.3 3.4 3.5

Blocks and Block Numbers . . . . . . . . . . . . . . . . . . . . . The way from the Circuit Diagram to LOGO! . . . . . The 4 Golden Rules for Working with LOGO! . . . . Overview of the LOGO! Menus . . . . . . . . . . . . . . . . .

39 42 45 47


v

Contents 3.6 Program Input and Start . . . . . . . . . . . . . . . . . . . . . . . 3.6.1 Change to Programming mode . . . . . . . . . . . . . . . . . . 3.6.2 First Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.6.3 Editing a Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.6.4 Asg a Program Name . . . . . . . . . . . . . . . . . . . . 3.6.5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.6.6 LOGO! to RUN mode . . . . . . . . . . . . . . . . . . . . . . . . . . 3.6.7 Your Second Program . . . . . . . . . . . . . . . . . . . . . . . . . 3.6.8 Deleting a Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.6.9 Deleting Multiple Interconnected Blocks . . . . . . . . . . 3.6.10 Correcting Typing Errors . . . . . . . . . . . . . . . . . . . . . . . 3.6.11 ”?” on the Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.6.12 Deleting a Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.6.13 Summertime/Wintertime Conversion . . . . . . . . . . . . . 3.7 Memory Space and Size of a Circuit . . . . . . . . . . . . .

48 48 49 51 55 57 61 63 69 70 71 71 72 73 77

4

LOGO! Functions . . . . . . . . . . . . . . . .

81

4.1

Constants and Connectors – Co . . . . . . . . . . . . . . . .

82

4.2 List of basic functions – BF . . . . . . . . . . . . . . . . . . . . 4.2.1 AND (AND) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2.2 Edge-triggered AND . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2.3 NAND (AND not) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2.4 NAND With Edge Evaluation . . . . . . . . . . . . . . . . . . . 4.2.5 OR (OR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2.6 NOR (OR not) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2.7 XOR (exclusive OR) . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2.8 NOT (Negation, Inverter) . . . . . . . . . . . . . . . . . . . . . . .

85 87 87 88 89 89 90 91 91

vi


Contents 4.3 Basics on special functions . . . . . . . . . . . . . . . . . . . . 4.3.1 Designation of the inputs . . . . . . . . . . . . . . . . . . . . . . . 4.3.2 Time Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.3.3 Buffering The Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.3.4 Retentivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.3.5 Parameter Protection . . . . . . . . . . . . . . . . . . . . . . . . . . 4.3.6 Gain and Offset Calculation With Analog Values . . . 4.4 List of Special Functions – SFr . . . . . . . . . . . . . . . . . 4.4.1 On Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4.2 Off Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4.3 On/Off Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4.4 Retentive On Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4.5 Latching Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4.6 Pulse Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4.7 Wiping Relay – Pulse Output . . . . . . . . . . . . . . . . . . . 4.4.8 Edge–triggered Wiping Relay . . . . . . . . . . . . . . . . . . . 4.4.9 Weekly Timer Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4.10 Yearly Timer Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4.11 Up/Down Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4.12 Operating Hours Counter . . . . . . . . . . . . . . . . . . . . . . 4.4.13 Symmetric Clock Generator . . . . . . . . . . . . . . . . . . . . 4.4.14 Asynchronous Pulse Generator . . . . . . . . . . . . . . . . . 4.4.15 Random Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4.16 Frequency Threshold Trigger . . . . . . . . . . . . . . . . . . . 4.4.17 Analog Threshold Switch . . . . . . . . . . . . . . . . . . . . . . . 4.4.18 Analog Comparator . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4.19 Stairway Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4.20 Multifunctional switch . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4.21 Message Texts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4.22 Softkey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


92 93 94 95 95 96 96 98 101 103 105 107 109 111 112 114 115 120 122 124 128 130 131 133 135 138 141 143 145 148

vii

Contents

5

Configuring LOGO! . . . . . . . . . . . . . . .

5.1 Switching To Parameter Assignment Mode . . . . . . 5.1.1 Parameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.1.2 Selecting the Parameters . . . . . . . . . . . . . . . . . . . . . . 5.1.3 Changing the Parameters . . . . . . . . . . . . . . . . . . . . . . 5.2 Setting the Time–of–day and the Date (LOGO! ... C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

151 152 153 154 155 158

6

LOGO! Program Modules . . . . . . . . .

159

6.1 6.2 6.3 6.4

Overview of the Modules . . . . . . . . . . . . . . . . . . . . . . . Removing and Inserting Modules . . . . . . . . . . . . . . . Copying from the LOGO! to the Module . . . . . . . . . Copying from the Module to LOGO! . . . . . . . . . . . .

160 161 163 165

7

LOGO! Software . . . . . . . . . . . . . . . . .

7.1

Connecting the LOGO! to a PC . . . . . . . . . . . . . . . . .

viii

167 169


Contents

8

Applications . . . . . . . . . . . . . . . . . . . . .

171

8.1 8.1.1 8.1.2 8.1.3 8.1.4 8.2 8.2.1 8.2.2 8.2.3 8.2.4 8.2.5 8.3 8.3.1 8.3.2 8.4 8.4.1 8.4.2 8.4.3

Staircase or Corridor Lighting . . . . . . . . . . . . . . . . . . Demands on a Staircase Lighting System . . . . . . . . Previous Solution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lighting System with LOGO! . . . . . . . . . . . . . . . . . . . Special Features and Expansion Options . . . . . . . . . Automatic Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Demands on an Automatic Door . . . . . . . . . . . . . . . . Previous Solution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Door Control System with LOGO! . . . . . . . . . . . . . . . Special Features and Expansion Options . . . . . . . . . Enhanced solutions with LOGO! 230 RC . . . . . . . . . Air–conditioning System . . . . . . . . . . . . . . . . . . . . . . . Demands on an air–conditioning System . . . . . . . . . Advantages of Using LOGO! . . . . . . . . . . . . . . . . . . . Industrial Gate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Demands on the Gate Control System . . . . . . . . . . . Previous Solution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wiring the LOGO! solution . . . . . . . . . . . . . . . . . . . . .

172 172 172 173 175 176 176 177 177 180 180 183 183 186 188 188 189 191

Centralized Control and Monitoring of Several Industrial Gates . . . . . . . . . . . . . . . . . . . . . . . . 8.5.1 Demands on the Gate Control System . . . . . . . . . . .

192 193

8.5

8.6 Luminous rows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.6.1 Demands on the Lighting System . . . . . . . . . . . . . . . 8.6.2 Previous Solution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.6.3 Luminous row control with LOGO! 230 RC . . . . . . . 8.7 Service water pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.7.1 Demands on the control system of a service water pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.7.2 Previous Solution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.7.3 Service water pump with LOGO! 230 RC . . . . . . . . . 8.7.4 Special Features and Expansion Options . . . . . . . . . 8.8 Further Application options . . . . . . . . . . . . . . . . . . .


196 196 197 198 200 201 201 202 203 204

ix

Contents

A

Technical Data . . . . . . . . . . . . . . . . . . .

A.1

General Technical Data . . . . . . . . . . . . . . . . . . . . . . . .

207

A.2

Technical Data: LOGO! 230... and LOGO! DM8 230R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

209

Technical Data: LOGO! 24... and LOGO! DM8 24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

212

A.5 A.6 A.7 A.8

Technical Data: LOGO! 12/24... and LOGO! DM8 12/24R . . . . . . . . . . . . . . . . . . . . . . . . . . . . Technical Data: LOGO! AM 2 . . . . . . . . . . . . . . . . . . . Technical Data: LOGO!Power 12 V . . . . . . . . . . . . . . Technical Data: LOGO!Power 24 V . . . . . . . . . . . . . . Technical Data: LOGO! 24/230 . . . . . . . . . .

215 218 220 222 224

B

Determining the Cycle Time . . . . . . .

225

C

LOGO! without display . . . . . . . . . . .

227

D

LOGO! Menu structure . . . . . . . . . . . .

231

Order Numbers . . . . . . . . . . . . . . . . . . . . . .

235

Abbreviations . . . . . . . . . . . . . . . . . . . . . . . .

237

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

239

A.3 A.4

x

207


1 Working with LOGO! What is LOGO! ? LOGO! represents the universal Siemens logic module. LOGO! integrates Controls An operating and display unit Power supply Interface for expansion modules An interface for program modules and a PC cable Ready–to–use basic functions that are often required in day–to–day operation, e.g. functions for on/off delays, current impulse relays and Softkey Time switch Binary markers Inputs and outputs according to the device type What can LOGO! do ? LOGO! offers solutions for domestic and installation engineering (e.g. for stairway lighting, external lighting, sun blinds, shutters, shop window lighting etc.), switch cabinet engineering and mechanical and apparatus engineering (e.g. for gate control systems, ventilation systems, or rainwater pumps etc.). LOGO! can also be implemented for special control systems in conservatories or greenhouses, for control signal processing and, by connecting a communication module (e.g. ASi) for distributed local controlling of machines and processes. Special versions without operator and display unit are available for series production applications in small machine, apparatus, switch control and installation engineering.


1

Working with LOGO! Which new types of equipment are now available? LOGO! Basically, there are two voltage classes: Class 1 < 24 V, that is, 12 V DC, 24 V DC, 24 V AC Class 2 > 24 V, that is, 115...240 V AC/DC in versions: With display: 8 inputs and 4 outputs. Without display: 8 inputs and 4 outputs. Each version is integrated in 4 units. It is equipped with an expansion interface and offers you 30 ready–to–us basic and special functions for creating your program. Which new expansion modules are now available? The LOGO! digital module is available for 12 V DC, 24 V DC and 115...240 V AC/DC, with 4 I/Os. The LOGO! analog module is available for 12 V DC and 24 V DC, with 2 inputs. The LOGO! Communication module, e.g. the function module ASi (AS Interface bus system). This module is described in a separate documentation. The digital/analog modules are integrated in 2 units. Each one has two expansion interfaces for connecting additional modules. Which type of equipment is obsolete? All versions with 6 inputs. A long variant with 12 inputs and 8 outputs The bus version with 12 inputs and 8 outputs. The modular strikers of LOGO! replace this type of equipment. It’s your choice The different basic versions and expansion modules offer structures and precise adaptation to you specific tasks. LOGO! provides solutions ranging from the small domestic installation through small automation tasks to extensive tasks integrating a bus system (e.g. the AS interface).

2


Working with LOGO!

Note Every basic LOGO! unit can be expanded with expansion modules of the same voltage class. Mechanical encoding (pin in the housing) prevents interconnection of devices of different voltage classes. Exception: The left interface of the analog module or communication module is separated from potential. This means that these expansion modules can be connected to devices of a different voltage class. See also Chapter 2.1 ’Structure of the modular LOGO!’. Regardless of the number of modules connected to the LOGO!, the following I/O and memory bits are available: I1 to I24, AI1 to AI8, Q1 to Q16 And M1 to M8.


3

Working with LOGO! How the LOGO! is structured 2

10

1

8 I1 I2 I3 I4

I5 I6 I7 I8

LOGO! Basic (e.g.: 230 RC)

4

L1 N

4

90

35

6 5

1

Q1

2

1

Q2

2

1

Q3

2

1

Q4

2

3 72

55

2 9 9

8

10

1 8

11

(e.g.: DM8 230R)

7 RUN/STOP

1

Q1

2

1

Q2

1 Q3 2

90

35

LOGO! Expansion module

4

L1 N I1 I2 I3 I4

2

1Q4 2

3 53

36

1

Power supply

2

Inputs

3

Outputs

4

Module slot with cover

4

5

Control (not with RCo)

8

Expansion interface

6

LCD (not with RCo)

9

7

Status display RUN/ STOP

Mechanical coding – Pins Mechanical coding sockets Slide

10

11


Working with LOGO!

2

10

1

8 4

LOGO! Basic (e.g.: 12/24 RC)

L+ M I1 I2 I3 I4 I5 I6 I7 I8

4

90

35

6 5

1

Q1

2

1

Q2

2

1

Q3

2

1

Q4

2

3 72

55

2 9 9

8

10

1 8

11

(e.g.: DM8 12/24R)

7 RUN/STOP

1

2 Q1

1

1Q3 2

Q2

90

35

LOGO! Expansion module

4

L+ M I1 I2 I3 I4

2

1 Q4 2

3 53

36

1

Power supply

2

Inputs

3

Outputs

4

Module slot with cover


5

Control (not with RCo)

8

Expansion interface

6

LCD (not with RCo)

9

Mechanical coding pins

7

Status display RUN/ STOP

10

Mechanical coding sockets

11

Slide

5

Working with LOGO!

LOGO! AM2 9

10

1

9

8

L+ M

4

L+ M

8

11

90

RUN/STOP

35

7 12 PE INPUT 2x(0..10V/0..20 mA)

I1 M1 U1 I2 M2 U2

2 53

36

1

Power supply

2

Inputs

7

Status display RUN/ STOP Expansion interface

8

6

9

Mechanical coding pins

10

Mechanical coding sockets

11

12

Grounding terminal for connecting ground and shielding of the analog measuring line.

Slide


Working with LOGO! How to recognize which LOGO! model you have The LOGO! identifier informs of various properties: 12: 12 V DC version 24: 24 V DC version 230: 115...240 V AC version R: Relay outputs (without R: transistor outputs) C: Integrated Weekly timer switch o: Version without display DM: Digital module AM: Analog module FM: Function module (e.g. ASi) Symbols Variants with display are equipped with 8 inputs and 4 outputs Variants without display are equipped with 8 inputs and 4 outputs The digital module is equipped with 4 digital inputs and 4 digital outputs The analog module is equipped with 2 anaputs

–+

Function module (e.g. ASi) with 4 virtual inputs and 4 virtual outputs


7

Working with LOGO! Variants LOGO! is available in the following variants: Symbol

Designation

Supply voltage

Inputs

Outputs

Properties

LOGO! 12/24RC

12/24 V DC

8 Digital*

4 Relays 230 V x 10 A

LOGO! 24

24 V DC

8 Digital*

4 Transistor 24 V x 0.3 A

LOGO! 24RC

24 V AC

8 Digital

4 Relays 230 Vx10 A

LOGO! 230RC #

115...240 V AC/DC

8 Digital

4 Relays 230 Vx10 A

LOGO! 12/24RCo

12/24 V DC

8 Digital*

4 Relays 230 Vx10 A

no display

24 V AC

8 Digital

4 Relays 230 Vx10 A

no display

4 Relays 230 Vx10 A

no display

LOGO! 24RCo

LOGO! 230RCo #

115...240 V AC/DC

8 Digital

no clock

no keyboard

no keyboard

no keyboard

*: alternatively, 2 anaputs (0...10V) and 2 fast inputs can be used. #: 230 V AC variants: Inputs in two groups of 4. Within a group only the same phase, between groups different phases are possible.

Expansion module The LOGO! can be connected to the following expansion modules: Symbol

Designation

Supply voltage

Inputs

LOGO! DM 8 12/24 R

12/24 V DC

4 Digital

LOGO! DM 8 24

24 V DC

4 Digital

Outputs 4 Relays (3) 4 Transistors

(1)

LOGO! DM 8 230R

115...240 V AC/DC

4 Digital

LOGO! AM 2

12/24 V DC

2 Analog 0–10 V or 0–20 mA (2)

4 Relays (3) none

(1): no different phases allowed within the inputs. (2): 0–10 V, 0–20 mA connection is optional. (3): The maximum sum switching power across all four relays is 20 A.

8


Working with LOGO! Certification, recognition and approval LOGO! is certified according to UL, CSA and FM. UL listing mark Underwriters Laboratories (UL) to UL 508 standard, file no. 116536 CSA–Certification–Mark Canadian Standard Association (CSA) to Standard C22.2 No. 142, File No. LR 48323 FM certification Factory Mutual (FM) Approval to Standard Class Number 3611, – Class I, Division 2, Group A, B, C, D – Class I, Zone 2, Group IIC

!

Warning Personal injury and material damage may be incurred. In potentially explosive areas, personal injury or property damage can result if you withdraw any connectors while the system is in operation. Always switch off the power supply for the LOGO! and its components before you disconnect any connectors. LOGO! carries CE marking, complies with VDE 0631 and IEC 61131–2 standard and has interference suppression to EN 55011 (limit class B, class A for ASi bus operation). Shipbuilding certification has been requested. ABS – American Bureau of Shipping BV – Bureau Veritas DNV – Det Norske Veritas GL – Germanischer Lloyd LRS – Lloyds of Shipping PRS – Polski Rejestr Statków


9

Working with LOGO! LOGO! can therefore be used both in industry and domestic areas. C Tick Mark (Australia) The products carrying the label shown at the side are compliant with AS/NZL 2064:1997 (Class A) standard

10


2 Installing and wiring the LOGO! General Guidelines When mounting and wiring your LOGO! you should observe the following guidelines: When wiring the LOGO! ensure you are conforming with current rules and standards. You should also heed any national and regional regulations when installing and operating the devices. the relevant authorities to find out the standards and regulations that apply in your specific case. Use wires with the appropriate cross–section for the amount of current involved. LOGO! can be wired using cables with a conductor cross–section of 1.5 mm2 and 2.5 mm2, refer to Chapter 2.3. Don’t screw the connectors too tightly. Maximum torque: 0.5 N/m, refer to Chapter 2.3. Keep wiring distances as short as possible. If longer wires are necessary, a shielded cable should be used. Arrange you wires in pairs: one neutral conductor with one phase conductor or one signal line. Keep separate: – AC circuits – High–voltage DC circuits with fast switching cycles – Low voltage signal wiring. Ensure that the wires have the required strain relief. Provide suitable overvoltage protection for wires that could be vulnerable to lightning.


11

Installing and wiring the LOGO!

Do not connect an external power supply to an output load parallel to a DC output. This can result in reverse current at the output unless you have a diode or a similar block in your configuration. Note LOGO! must always be mounted and wired by skilled personnel who are familiar and follow the general rules of the technology and the respective current rules and standards.

12



2.1 Structure of the modular LOGO! 2.1.1 Maximum structure Maximum structure LOGO! with anaputs (LOGO! 12/24 RC/RCo and LOGO! 24) LOGO! Basic, 4 digital modules and 3 analog modules I1......I6

AI1 , AI2 I9...I12

LOGO! Basic

I13...I16 I17...I20 I21...I24

LOGO! LOGO! LOGO! LOGO! LOGO! LOGO! LOGO! DM8 DM8 DM8 DM8 AM2 AM2 AM2 AI3 , AI4 AI5 , AI6 AI7 , AI8

Tip When using inputs I7 / AI1 and I8 / AI2 as anaputs, that is, AI1 and AI2, you should avoid to use them as digital inputs I7/I8 also. Maximum structure of LOGO! without anaputs (LOGO! 24 RC/RCo and LOGO! 230 RC/RCo) LOGO! Basic, 4 digital modules and 4 analog modules I1 . . . . . . . . . . . I8

I9...I12

I13...I16 I17...I20 I21...I24

LOGO! basic

LOGO! LOGO! LOGO! LOGO! LOGO! LOGO! LOGO! LOGO! DM8 DM8 DM8 DM8 AM2 AM2 AM2 AM2 AI1 , AI2 AI3 , AI4 AI5 , AI6 AI7 , AI8

Fast/optimal communication In order to achieve an optimal and fast communication between LOGO! Basic and the various modules, we recommend the structure “Digital modules first, then the analog modules” (example above).


13


2.1.2 Structure with different voltage classes Since the potential of the left analog module interface (AM2, 12/24 V DC) is separated from the right one, you can connect it to all LOGO! Basic versions. The potential of expansion modules arranged to the right of the analog module is separated from LOGO! Basic. It is therefore possible to connect an expansion module of a different voltage class as LOGO! Basic at the right side of an analog module. Example:

LOGO! 230...

LOGO! LOGO! LOGO! LOGO! LOGO! LOGO! LOGO! DM8 AM2 DM8 24 AM2 DM8 AM2 DM8 24 230R 12/24 R

The potential of an analog module is separated

14



2.2 Installing/uninstalling LOGO! Dimensions LOGO!’s installation dimensions are compliant with DIN 43880. LOGO! can be snap–mounted on a 35 mm DIN EN 50022 profile rail or mounted on the wall. Width of LOGO!: LOGO! Basic has a width of 72 mm, corresponding to 4 unit segments. The width of LOGO! expansion modules is 36 mm, corresponding to 2 unit segments. Note We shall illustrate mounting and removal in a graphic overview for a LOGO! 230 RC and a digital module. The shown methods also apply for all other LOGO! basic variants and expansion modules.

!

Warning


Expansion modules must only be “Extracted” and “Plugged” after power is switched off.

15


2.2.1 Profile rail mounting Installing This is how you mount a LOGO! basic and a digital module on a profile rail: LOGO! basic: 1. Place the LOGO! basic onto the rail and 2. then swing it around on the rail. The mounting slide at the rear must be engaged

6

1 3

5

2

4

LOGO! digital module: 3. At the right side of the LOGO! Basic/LOGO! expansion module, remove the cover of the connector 4. Place the digital module to the right of the LOGO! basic 5. Slide the digital module towards the left up to the LOGO! Basic

16


Installing and wiring the LOGO! 6. Using a screwdriver, slide the integrated to the left. In it end position the slide engages in the LOGO! basic.

Repeat steps 3 to 6 is you want to install additional expansion modules. Note The expansion interface of the last expansion module must be covered.


17

Installing and wiring the LOGO! Uninstalling To uninstall LOGO!, proceed as follows: ....... if only one LOGO! Basic is mounted: Part A 1. Insert a screwdriver into the hole shown at the lower end of the mounting slide and push it downward 2. Swing the LOGO! basic off the profile rail.

1 2

2

4 1

18

3 A

B


Installing and wiring the LOGO! ....... in case there is at least one expansion module connected to the LOGO! basic: Part B 1. Using a screwdriver, push down the slide and slide it to the right 2. Slide the expansion module towards the right and 3. Insert a screwdriver into the hole shown at the lower end of the mounting slide and push it downward 4. Swing the expansion module off the profile rail. Repeat steps 1 to 4 for all other expansion modules. Note If more than one expansion module is connected, start with the last module at the right. Make sure that the slide of the module to be installed/removed is not connected to the next module.


19


2.2.2 Wall–mounting Before you wall–mount the device, the mounting slides at the rear of the device must be pushed towards the outside or the inside. Insert the upper mounting slide (included with the modules) and push the lower one to the outside. You can the fasten the LOGO! with two 4–mm screws (tightening torque 0.8 to 1.2 N/m) to the bracket to mount it on the wall.

Mounting slides

20


Installing and wiring the LOGO! Drilling template for wall–mounting Before you mount the LOGO! to the wall you should prepare the drill holes with the help of this template.

53,5 +/–0,2

35,5 +/–0,2

98 +/–0,3

1

2

2

2

n x 35,5 +/–0,2

All dimensions in mm Screw bore 4 mm Tightening torque 0.8 to 1.2 N/m 1 LOGO! Basic 2 LOGO! Expansion module


21


2.3 Wiring the LOGO! Wire the LOGO! using a screwdriver with a 3 mm blade. You don’t need wire ferrules for the connectors. You can use wires up to the following sizes: 1 x 2.5 mm2 2 x 1.5 mm2 for each second connector compartment Connecting torque: 0.4...0.5 N/m or 3...4 LBin Note ensuring that the connectors are covered. To protect the LOGO! adequately against to voltage carrying parts, country specific standards must be conformed with.

2.3.1 Connecting the Power Supply LOGO! The 230 V versions are suitable for nominal line voltages oft 115 V AC/DC and 240 V AC/DC. LOGO! The 24 V and 12 V versions are suitable for a supply voltage of 24 V DC, 24 V AC or 12 V DC. Note the information on connection in the product information document shipped with your device and the technical specifications in Appendix A relating to permissible voltage tolerances, line frequency and current consumption. Note Power failure might result for instance in an additional edge after power restoration with edge–triggered special functions. Data of the last uninterrupted cycle are stored in LOGO!.

22


Installing and wiring the LOGO! Connecting This is how you connect your LOGO! to the power supply: LOGO! ..... with DC supply voltage L+ M

LOGO! ..... with AC supply voltage L1 N

L+

M

I1

I2

I3

I4

I5

Protection by fuse if required (recommended) for: 12/24 RC...: 0.8 A 24: 2.0 A

L1

N

I1

I2

I3

I4

With voltage peaks, use a varistor (MOV) with at least 20% higher operating voltage than nominal voltage.

Note LOGO! has protective insulation. A ground terminal is not necessary.

Protective circuit with AC voltage You can eliminate line voltage peaks with a metal oxide varistor (MOV). Make sure the operating voltage of the varistor exceeds the rated voltage by at least 20% (e.g. S10K275)


23


2.3.2 Connecting LOGO! inputs Connecting Prerequisites Connect sensors to the inputs. Sensors may be: pushbuttons, switches, photoelectric barriers, daylight control switches etc. Sensor attributes for LOGO! LOGO! 12/24 RC/RCo LOGO! DM8 12/24 R I1 ... I6

I7, I8

LOGO! 24 LOGO! DM8 24 I1 ... I6

I7, I8

Circuit state 0

< 5 V DC

< 5 V DC

< 5 V DC

< 5 V DC

Input current

< 1.0 mA

< 0.05 mA

< 1.0 mA

< 0.05 mA

Circuit state 1

>8 V DC

>8 V DC

>8 V DC

>8 V DC

Input current

> 1.5 mA

> 0.1 mA

> 1.5 mA

> 0.1 mA

LOGO! 24 RC/RCo (AC)

LOGO! 230 RC/RCo (AC) LOGO! DM8 230 R (AC)

LOGO! 230 RC/RCo (DC) LOGO! DM8 230 R (DC)

Circuit state 0

< 5 V AC

< 40 V AC

< 30 V DC

Input current

< 1.0 mA

< 0.03 mA

< 0.03 mA

Circuit state 1

> 12 V AC

> 79 V AC

> 79 V DC

Input current

> 2.5 mA

> 0.08 mA

> 0.08 mA

24



Note The digital inputs of the LOGO! 230 RC/RCo are divided into two groups equipped with 4 inputs each. Within a group all inputs must be operated on the same phase. Different phases are only possible between the groups. Example: I1 to I4 on phase L1, I5 to I8 on phase L2. Within the input circuit of the LOGO! DM8 230R you must not connect different phases.

Sensor connections Connecting glow lamps, 2–wire Bero to the LOGO! 230 RC/230 RCo or LOGO! DM8 230 R (AC) L1 N Order number for C: C L1

N

Siemens Switching Devices & Systems 3SB1430–3C 3SB1420–3D 3TX7462–3T

Restrictions – Circuit status transition 0 1 / 1 0 When the circuit state changes from 0 to 1, circuit state 1 and, in the case of a change from 1 to 0, circuit state 0 must be in place for at least one program cycle for LOGO! to recognize the new circuit status. The cycle time of the program processing depends on the size of the program. In Chapter 3.7 you can find a description of a short test program that will help you to work out the current cycle time.


25

Installing and wiring the LOGO! Special features of LOGO! 12/24 RC/RCo and LOGO! 24 Fast inputs: I5 and I6 These versions are also equipped with inputs for frequency functions. The same restrictions do not apply to these fast inputs. Note There are no changes in the standard version compared to previous Basic devices (0BA0 to 0BA2): I5 and I6 are still the fast inputs, that is, no changes are necessary to transfer the program written in these versions to the new 0BA3 devices. In contrast, programs written in a LOGO!...L version (fast inputs I11/I12) must be changed. Expansion modules do not have fast inputs.

Anaputs: I7 and I8 With the LOGO! 12/24 RC/RCo and LOGO! 24 versions the inputs I7 and I8 can be used as normal digital inputs or as anaputs. How the input is used depends on its purpose in the LOGO! control program. You can use the digital capability of the input with I7/I8 and its analog capability with the identifiers AI1 and AI2. See also Section 4.1. Note The expansion module LOGO! AM2 is available for additional inputs. For the analog signals you must always use twisted and shielded cables as short as possible.

26


Installing and wiring the LOGO! Sensor connections This is how to connect sensors to the LOGO! : LOGO! 12/24 .... The inputs of these devices are non–isolated and therefore require the same reference potential (ground) as the power supply.

L+ M

L+ M

I1 I2

I3 I4

I5

With the LOGO! 12/24 RC/RCo and LOGO! 24 you can tap the analog signal between the supply voltage and ground.

I8

LOGO! 230 .... L3 L2 L1

The inputs of these devices are arranged in 2 groups with 4 inputs each. Different phases are only possible between, but not within the blocks.

N

L1 N

!

I1

I2

I3

I4

I5

I6

Warning


Current safety regulations (VDE 0110, ... and IEC 61131–2, ... as well as UL and CSA) do not permit the connection of different phases to one input group (I1–I4 or I5–I8) of an AC version or on the inputs of one digital module.

27

Installing and wiring the LOGO! LOGO! AM2 L+ M

PE

L+ M

L+ M

Grounding terminal for connecting ground and shielding of the analog measuring line

1 Ground 2 Cable shielding 3

3 Profile rail

RUN/STOP

1 PE

M

L+

I1 M1 U1 I2 M2 U2

2

Current 0–20 mA

Measuring current

M Current measurement

28

Voltage measurement



2.3.3 LOGO! Outputs connecting LOGO! ...R... The LOGO! outputs ...R... are relays. The relay s are isolated from the power supply and from the inputs. Prerequisites for Relay outputs You can connect different loads to the outputs such as lamps, fluorescent tubes, motors, ors etc. The loads connected to LOGO! ...R... must have the following properties: The maximum switched current depends on the type of load and the number of switching cycles (For details refer to Chapter A “Technical Data” ). LOGO! Basic...R..: in switched on state (Q = 1) and with ohmic load the maximum current is 10 A and for inductive loads the maximum is 3 A (2 A at 12/24 V AC/ DC). LOGO! DM8....R properties are identical to LOGO! Basic...R, with the following restrictions: The maximum sum switching power across all four relays is 20 A. Connecting This is how to connect the load to the LOGO! ...R... an: DM8...R 1 Q5 2 1 Q6 2 1

Q1

2

1

Load

Q2

2

Load

Protection with automatic circuit breaker (max. 16 A, B16, e.g. power circuit breaker 5SX2 116-6 (if desired)


29

Installing and wiring the LOGO! LOGO! with transistor outputs LOGO! variants with transistor outputs can be identified by the fact that the letter R is missing from their type designation. The outputs are short circuit–proof and overload– proof. An auxiliary load voltage supply is not necessary since LOGO! supplies the load voltage. Prerequisites for transistor outputs The load connected to LOGO! must have the following properties: The maximum switched current is 0.3 amperes per output. Connecting This is how to connect the load to a LOGO! with transistor outputs: DM8...24

Q5 M Q1 M

Q6 M

Q2 M

Load

Load

Load: 24 V DC, 0.3 A max.

30



2.4 Switching on the LOGO!/Power return LOGO! does not have a power switch. The reaction of LOGO! when switched on depends

whether a program is stored LOGO! in LOGO!, whether a program module is connected, Whether it is a LOGO! version without display (LOGO!...RCo),

in which state LOGO! was prior to POWER–OFF and whether a PC cord was connected. The LOGO! reaction to all possible situations is described on the following page:


31

Installing and wiring the LOGO! Before power off

After power on or

No Program Press ESC

(empty)

No program in memory

(with program)

Mo 09:00 06.21.01 I : 0. , 1. , 2.

or

123456789 0123456789 01234 Q : 0. , 1. 123456789 0123456

(with program)

B01

or

Q1

Program in memory

B01

No program in memory

32

or

123456789 0123456789 01234

Mo 09:00 06.21.01 I : 0. , 1. , 2. 123456789 0123456789 01234

With stored program from LOGO! ......

&

Q1

and PC cord

with program copied from the module to ...... LOGO! the

>Program.. PC/Card.. Clock.. Start

With stored program from LOGO!


with program copied from the module to the LOGO!

(empty)

(with program) No Program Press ESC

Mo 09:00 I06.21.01 : 0. , 1. , 2.

LOGO! in RUN state

Cnt = 0028

&


(empty)

B03:Par Par = 0300

LOGO! in RUN state

No Program Press ESC

PC

= LOGO!

Stop? Press ESC

Program in memory


Installing and wiring the LOGO! You can also try to the 4 simple rules for starting LOGO! Basic: 1. If there is no program in LOGO! or in the connected program modules, LOGO! (with display) reports: ’No Program Press ESC’. 2. If there is a program on the program module, it is automatically copied to LOGO! . A program in LOGO! is overwritten. 3. If there is a program in LOGO! or in the connected program module, LOGO! takes over the operate state it had prior to POWER–OFF. The version without display (LOGO! ...RCo) is switched automatically from STOP to RUN mode (LED toggles from red to green). 4. If at least on function is switched retentive or if you have used a function that is permanently retentive the current values are also retentive at POWER–OFF. Note If a power loss occurs while you are entering a program, the program in LOGO! is deleted after power is returned. You should therefore save your original program before changing it on a program module (card) or on a computer (LOGO!Soft Comfort).


33

Installing and wiring the LOGO! LOGO! Basic operating states LOGO! Basic knows tow operate states: STOP and RUN STOP

RUN

Display: ’No Program’ (not LOGO! ...RCo)

Display: screen form for monitoring I/O and messages (after START in the main menu) (not LOGO! ...RCo)

LOGO! to programming mode (not LOGO! ...RCo)

LOGO! to programming

The LED lights up red

mode (not LOGO! ...RCo)

(only LOGO! ...RCo)

The LED lights up green (LOGO! ...RCo) Action by LOGO!:

Action by LOGO!:

The inputs are not read. The program is not exe-

LOGO! reads the state of

cuted.

The relay s are always open or the transistor outputs are switched off

the inputs

LOGO! calculates the state of the outputs with the program.

LOGO! switches the relays/ transistor outputs on or off

LOGO! Expansion modules, operating state LOGO! expansion modules know three operating states: the LED is lit green, red or orange. LED is lit green (RUN) The expansion module communicates with the left device

34

red (STOP) The expansion module does not communicate with the left device

orange Initialization phase of the expansion module


3 Programming LOGO! Your first steps with LOGO! The term programming refers to the input of a circuit program. A LOGO! program is actually no more than a circuit diagram presented in a slightly different form! We have adapted this presentation to the LOGO! display. In this chapter we are going to show you how to transform your applications into a LOGO! program. Note The LOGO! versions LOGO! 12/24 RCo, LOGO! 24 RCo and LOGO! 230 RCo do not have a keyboard or a display unit. They are mainly intended for series production applications in small machine and plant engineering. LOGO!...RCo versions are not programmed locally. Rather, programs in LOGO!Soft Comfort or in the memory modules of other LOGO! units are transferred to this device. In the first section of this chapter we shall use a small example to show you how to handle the LOGO! . We shall begin by introducing two basic , namely the connector and the block, and show you what they represent. In a second step, we shall work out a simple and common circuit program that you ... can enter directly in LOGO! in the third step. Only few manual pages later you are going to have your first running program stored in the LOGO! . With a suitable hardware (switches etc.) you will then be able to carry out your first tests.


35

Programming LOGO!

3.1 Connectors LOGO! has I/Os Example of a configuration with several modules: Inputs

L+ M I1 I2 I3 I4 I5 I6 AI1 AI2

L+ M I9 I10I11I12

L+ M

RUN/STOP

L+ M

L+ M I13I14I15I16

RUN/STOP

RUN/STOP

PE 1

1

Q1

2

1

Q2

2

1

Q3

2

1

Q4

2

1

Q5

Q7

Outputs

2

2

1 1

Q6

2

2 Q8

INPUT 2x (..10V/..20 mA)

1

Q9

2 A!3 M3U3AI4M4U4 1 Q11

2

1 2 Q10 1

2 Q12

Anaputs

Each input is identified by the letter I and a number. When you look at the LOGO! from the front, you can see the connectors for the inputs at the top. Only the analog module LOGO! AM2 has its inputs at the bottom. Each output is identified by the letter Q and a suffix. You can see that the connectors of the outputs are located at the bottom.

36


Programming LOGO!

Note LOGO! can recognize, read and switch the I/O of all expansion slots, regardless of their type. The I/O is shown in the order of the module arrangement. The following I/Os and memory bits are available for programming: I1 to I24, AI1 to AI8, Q1 to Q16 and M1 to M8. For the LOGO! 12/24... and LOGO! 24 inputs I7 and I8 applies: if Ix is used in the program, the input signal is interpreted as digital signal; with AIx it is an analog signal. Input AIx can only be the connector that is actually capable of carrying an analog signal.


37

Programming LOGO! LOGO!’s connectors The term connector refers to all connections and states in LOGO! . The I/O status can be ’0’ or ’1’. Status ’0’ means that the input does not carry a voltage. Status ’1’ means that the input carries voltage. But that, we assume, is nothing new to you. We have implemented the connectors hi, lo and x in order to facilitate programming for you: the default fixed status of ’hi’ (high) is ’1’ and of ’lo’ (low) it is ’0’. If you do not want to wire the input of a block, use the ’x’ connector. The meaning of the term block is explained on the next page. LOGO! knows the following connectors: Connectors Inputs

DM

LOGO! basic

LOGO! 230 RC/RCo LOGO! 24 RC/RCo

Two groups: I1... I4 and I5 ... I8

LOGO! 12/24 RC/ RCo LOGO! 24

I1... I8 along with I7(AI1), I8(AI2)

Outputs

Q1...Q4

lo

Signal with ’0’ level (off)

hi

Signal with ’1’ level (on)

x

An existing connection that is not used

AM

I9 ... I24

AI1(AI3) ... AI8

Q5 ... Q16

none

DM: Digital module. AM: Analog module.

38


Programming LOGO!

3.2 Blocks and Block Numbers This chapter shows you how to use the LOGO! elements to create extensive circuits and how the blocks and the I/O are interconnected. For this purpose, please turn to Section 3.3. There you are going to learn how to convert a common circuit into a LOGO! program. Blocks A block in LOGO! is a function that is used to convert input information into output information. Previously you had to wire up the individual elements in the control cabinet or terminal box. When you program LOGO!, you connect connectors with blocks. To do this, simply select the connection you require from the Co menu We have used the abbreviation Co for the English term ”Connector” to name the menu. Logic operations The most elementary blocks are logical links: AND OR ... I1 I2 x

1 Q

Inputs I1 and I2 are connected to the OR block. The last input of the block is not used and is therefore marked with an x.

The special functions are far more powerful: Pulse relay Counter On delay Softkey .... Chapter 4 provides a complete list of LOGO!’s functions.


39

Programming LOGO! Displaying a block in LOGO! The figure below shows a typical LOGO! display. Only one block can be displayed at a time. We have therefore introduced block numbers to help you check the circuit structure. Display view of LOGO!

Block number – assigned by LOGO!

Here is another block connected

B01

1 Input

B02 I2 x

Q1

This connection is not required

Output

Block

Asg a block number When you insert a block in a program, LOGO! always assigns it a block number. LOGO! uses the block numbers to show you the block interconnections. Primarily, the block numbers are meant to help you find your way around the program. Block numbers B02 I1 I2 I3

1

These blocks are interconnected

B01 B03

I4 I5 I6

B01

1

1 B01

B02 B03 x

Q1

B01 Q1

Moving around the program using the key

40


Programming LOGO! The overview shows you three displays of LOGO!, which together form the program. You can see how LOGO! interconnects the blocks, using the block numbers. Advantages of the block numbers You can append almost any block to an input of the current block using its block number. In this way you can reuse the interim results of logical links or other operations. This saves you input work and memory space, and ensures a clear arrangement of your circuit. In this case, you must know how LOGO! has named the blocks. Note For efficient working, we recommend that you create block diagram of the program. This is going to make programming easier for you, because here you can enter the block numbers assigned by LOGO!. If you program the LOGO! using the LOGO!Soft Comfort software, you can directly create a logic diagram of your program.


41

Programming LOGO!

3.3 The way from the Circuit Diagram to LOGO! How a circuit is represented in a circuit diagram You know, of course, how a circuit is represented in a circuit diagram. Nevertheless, here is an example:

S1

S2

The load E1 is switched on and off by means of the switches (S1 OR S2) AND S3. The relay K1 picks up if S1 OR S2 AND S3 are closed.

K1

S3 K1

E1

Realizing this circuit with LOGO! In LOGO! you construct a circuit by interconnecting blocks and connectors: L1

Wiring of the inputs S1 ... S3 Program in LOGO!

I1 I2 x

N

1

I3

& Q1

x

Wiring of the outputs

To convert a circuit in LOGO!, start at the output of the circuit. The output is the load or the relay that is to be switched.

42


Programming LOGO! Convert the circuit to blocks. To do this, go through the circuit from the output to the input: Step 1: At output Q1 there is a series connection of the normally open S3 with another circuit component. The series connection corresponds to an AND block: &

I3

Q1 x Step 2: S1 and S2 are connected in parallel. The parallel circuit corresponds to an OR block: I1 I2 x

1

I3

& Q1

x

You have now completely described the circuit for the LOGO! . Now connect the I/Os to the LOGO! . Wiring Connect the switches S1 to S3 to the screw terminals of the LOGO! : Connect S1 to connector I1 on the LOGO! Connect S2 to connector I2 of the LOGO! Connect S3 to connector I3 of the LOGO! Since only two inputs of the OR blocks are being used, the third input of this block must be marked as “unused”. This is indicated using the suffix x. Likewise, only 2 inputs of the AND block are used. Thus, the third input is also marked as ’unused’ by the suffix x. The output of the AND block controls the relay of output Q1. The load E1 is connected to output Q1.


43

Programming LOGO! Wiring example The following table shows you the wiring based on a 230 V AC version of LOGO!. L1 N S1 S2 S3 L1

1

N

Q1

I1

I2

I3

Wiring of the inputs

I4

2

Output wiring L1

Last N

44


Programming LOGO!

3.4 The 4 Golden Rules for Working with LOGO! Rule 1 Changing operating mode Edit the circuit in programming mode. After Power On and if “No Program, Press ESC” is displayed, you can open the programming mode by pressing the ESC key. You can edit the time and parameter values of an existing program in the parameter assignment mode and in programming mode . Start RUN mode by executing ’Start’ in the main menu. In RUN mode you can return to parameter assignment mode via ESC key. If you want to return from parameter assignment mode to programming mode, execute the “Stop” command in the parameter assignment menu. When prompted to confirm with “Yes” when “Stop Prg” appears, move the cursor to “Yes” and confirm with OK. You can find more information on operating modes in the Chapter LOGO! Menu Structure Page 231. Rule 2 Outputs and inputs Always program a circuit working from the output towards the input. You can connect an output to several inputs, however, you cannot fan out one input to several outputs. You cannot connect an output to a preceding input in the same program path. For such internal recursions you should interconnect memory bits or outputs.


45

Programming LOGO! Rule 3 Cursor and cursor movement When programming a circuit, note: When the cursor appears in the form of an underscore, you can move the cursor: – Use the , , or key to move the cursor in the circuit – Press OK to change to ”Select terminal/block” – Press ESC to exit circuit programming. When the cursor appears as solid square, you should select a connector/block – Use the or key to select a connector/block. – Confirm your selection with OK. – Press ESC to go back one step. Rule 4 Planning

Make a complete plan of your circuit on paper before you input the circuit or program LOGO! directly using LOGO!Soft or LOGO!Soft Comfort. LOGO! can only save complete programs. If the circuit program is incomplete LOGO! cannot exit the programming mode.

46


Programming LOGO!

3.5 Overview of the LOGO! Menus Programming mode Main menu


Programming menu

OK ESC

OK

>Edit Prg Prg Name Clear Prg Transfer menu

ESC

= LOGO!

>PC

Card Card

OK ESC

Menu Clock

>Set Clock S/W Time

Parameter assignment mode Parameter assignment menu

>Stop Set Param Set Clock Prg Name You can find more information on menus in the Chapter LOGO! Menu Structure Page 231.


47

Programming LOGO!

3.6 Program Input and Start You have designed a circuit and now want to enter it in LOGO! . A small example will show how to do this.

3.6.1 Change to Programming mode You have connected the LOGO! to the power supply and voltage is switched on. The display shows you the message:

No Program Press ESC Switch the LOGO! to programming mode by pressing the ESC key. This will take you to the main menu of the LOGO!:


LOGO!’s main menu

The first character in the first row is ”>”. Use the keys and to move the ”>” up and down. Move the ”>” to ”Program..” and confirm with OK. LOGO! opens the programming menu.

>Edit Prg Prg Name Clear Prg

48

LOGO!’s programming menu


Programming LOGO! Here too, you can move the ”>” by pressing the and keys. Move the ”>” to ”Edit Prg” (edit program, that is, input) and confirm with OK. LOGO! no shows you the first output: LOGO!’s first output

Q1 You are now in programming mode. Use the keys and keys to select the other outputs. At this point you can start programming your circuit. Note Since our program has not yet been saved with a in LOGO! you can start editing your program right away. If you start a program already saved with protection, “Edit Prg“ and confirmation with OK would be followed by the prompt to enter a . In this case you cannot start editing unless you enter the correct . (refer to Chapter 3.6.5.)

3.6.2 First Program Let us now take a look at the following parallel circuit consisting of two switches. Circuit diagram How the circuit is represented in a circuit diagram S1

S2

K1

K1

The load is switched on via switch S1 OR S2. LOGO! interprets the circuit as ’OR’, because either switch S1 OR S2 switches the output.

E1


49

Programming LOGO! Translated in the LOGO! program this means: relay K1 (in LOGO! via output Q1) is controlled by an OR block. Program I1 and I2 are connected to the input of the OR block, whereby S1 is connected to I1 and S2 to I2. This is what the LOGO! program then looks like: I1

1

I2

Q1

x

Wiring The corresponding wiring: L1 S1

N

S2 L1

1

Q1

N

I1

2

I2 I1

1

I3

Q2

2

I4

I5

1

Q3

2

I6

I7

1

I8

Q4

2

L

N

Switch S1 acts on input I1, switch S2 on input I2. The load is connected to relay Q1.

50


Programming LOGO!

3.6.3 Editing a Program Let us now edit the program (working from the output to the input). Initially, LOGO! displays the output: LOGO!’s first output

Q1 The Q of Q1 is underscored. This underscore is called the cursor. The cursor indicates your current position in the program. You can move the cursor by pressing the , , and keys. Now press the key. The cursor moves to the left. The cursor indicates your position in the program.

–

Q1

At this point, enter only the first block (the OR block). Press OK to switch to editing mode. The cursor is displayed as a solid square: You can now select a terminal or a block

Co

Q1

The cursor no longer appears in the form of an underscore; but rather as a flashing solid square. At the same time LOGO! gives you various options. Select the BF (basic functions) by pressing the key until BF appears. Confirm with OK. LOGO! then displays the first block in the list of basic functions:


51

Programming LOGO!

B01 & Q1 Now press the

or

An AND is the first block in the list of basic functions. The cursor is displayed as solid square, thus prompting you to select a block.

key until the OR block is displayed:

B01 1

The cursor square is still positioned in the block.

Q1 Press OK to confirm your selection. The is what you see in the display

B01 –

1 Q1

Block number

Your entire program looks like this B01

1 Q1

You have now entered the first block. Each block you enter is assigned a block number. What is now left to do is to wire the inputs of the block. This is how it is done: Press OK. The is what you see in the display

B01 Co 1

52

Q1


Programming LOGO! Select the Co list: Confirm with OK The is what you see in the display

B01 x

1 Q1

The first element in the Co list is the ”Input not used” character, an ’x’. Use the keys or to select input I1. Note Use the key to go to the start of the Co list: I1, I2 .... to lo, and again ’x’. Use the key to start at the end of the Co list: lo, hi, Q ..... to I1, and once again ’x’.

B01 I1 1

Q1

Press OK. I1 is now connected to the input of the OR block. The cursor jumps to the next input of the OR block. The is what you see in the display

B01 I1 –


1 Q1

Up to this point, your program in LOGO! looks like this B01 I1

1 Q1

53

Programming LOGO! Now connect input I2 to the input of the OR block. You already know how to do this: 1. Switch to editing mode: OK 2. Select the Co list: per or 3. Accept the Co list: OK 4. Select I2: per or 5. Accept I2: OK I2 is now connected to the input of the OR block: The is what you see in the display

Up to this point, your program in LOGO! looks like this

B01 I1 I2

1 Q1

B01 I1

1 Q1

I2

We do not need the last input of the OR block for this program. In a LOGO! program the unused inputs are identified with an ”x”. Now enter the ’x’: 1. Switch to editing mode: OK 2. Select the Co list: per or 3. Accept the Co list: OK 4. Select x: per or 5. Accept x: OK Now all the inputs of the block are now wired. LOGO! considers the program as being complete LOGO! jumps back to output Q1. The is what you see in the display Your program looks like this B01

B01

Q1

I1 I2 x

1 Q1

If you want to review your first program, you can use the or key to move the cursor through the program.

54


Programming LOGO! But we are going to exit program input now. This is how it is done: 1. Return to the programming menu: ESC If this does not return you to the programming menu, you have not wired a block completely. LOGO! indicates positions at which you have missed something (LOGO! accepts only complete programs, for the sake of your safety.). Also refer to page 71. Note LOGO! has now saved your program retentive on power failure. The program is only stored in the LOGO! until you delete it per instruction.

3.6.4 Asg a Program Name You can assign a name to your program. This name consists of upper/lower case letters, numbers and special characters. The maximum length is 16 characters. 2. move “>” to ’Prg Name’: per or 3. Accept ’Prg Name’: OK Use the keys and you can list the alphabet from A(a) to Z(z), numbers and special characters. You can also list them forward and backward. Here you can select any letter, number or character. Input an empty by moving the cursor with to the next position. This is the first character of the list. Examples: Press once: the result is an “ A ” Press four times: the result is a left bracket “ { ”etc.


55

Programming LOGO! This character set is available: a

b

C

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

X

Y

Z

a

b

c

d

e

f

g

h

i

j

k

l

m

n

o

p

q

r

s

t

u

v

w

x

y

z

0

1

2

3

4

5

6

7

8

9

!

”

#

$

%

&

’

(

)

*

+

,

–

.

/

:

;

<

=

>

?

@ [

\

]

^

_

‘

{

|

}

~

Let us assume you want to name your program “ABC”: 4. Select “ A”: Press 5. To the next letter: Press 6. Select “ B”: Press 7. To the next letter: Press 8. Select “ C”: Press 9. Confirm the complete name: OK Your program is now named “ABC” and you have been returned to the programming menu. The program name can be changed in the same way as above. Note The program name can only be changed in programming mode. You can read the program name in programming mode and in parameter assignment mode .

56


Programming LOGO!

3.6.5 You can assign a in to protect it from being edited by unauthorized persons. How to assign a The maximum length is 10 characters. It consists of uppercase letters only (A to Z). On the device you can only assign, edit and deactivate the in the “” menu. In the programing menu: 1. move ’>’ to ’’: per or 2. Accept the ’’: OK Use the keys or to move up and down the alphabet to select your letters. Since LOGO! allows only uppercase letters for the , you can quickly access the letters ”at the end” of the alphabet faster by using the key : Press once gives you a “Z” Pressing twice gives you a “Y” etc. Let us now assign the “AA” to our first program. The display shows:

Old: No New: The procedure is the same as for entering the program name. Under “New”, enter: 3. Select “ A”: Press 4. To the next letter: Press 5. Select “ A”: Press


57

Programming LOGO! The display now shows:

Old: No New: 6. Confirm the : OK Your program is now protected with “AA” and you have been returned to the programming menu. Note If the input of the new is interrupted with ESC LOGO! returns to the programming menu without saving the . You can also input your in LOGO!Soft Comfort. You can only a protected program in LOGO!Soft Comfort or edit your program on the device after you have entered the correct .

Changing the In order to change the you must know the current one. In the programming menu: 1. move ’>’ to ’’: per or 2. Accept the ’’: OK Under “Old”, enter your old (in our case ’AA’) by repeating steps 3 to 6 as described above.

58


Programming LOGO! The display now shows:

Old: AA New: Now you can enter a new under “New”, e.g. “ZZ”: 3. Select “Z”: Press 4. To the next letter: Press 5. Select “Z”: Press The display now shows:

Old: AA New: ZZ 6. Confirm your new : OK “ZZ” is now your new and you are back in the programming menu. Deactivating the Let us assume you want to deactivate the for whichever reason. For example, you want to grant another read/write access to your program. Same as when changing it, you must know your current (in our example “ZZ”). In the programming menu: 1. move ’>’ to ’’: per or 2. Accept the ’’: OK Under “Old” you must now enter your current as described in steps 3 to 5. Confirm your entry with OK.


59

Programming LOGO! The display shows:

Old: ZZ New: Now deactivate the without making another entry : 3. Confirm the “empty” : OK The does not exist anymore. You have been returned to the programming menu. Note This deactivation switches off the prompt. Editing is possible without entering a . For the moment, leave the prompt deactivated in order to speed up our progress with the remaining tutorials/examples.

: Wrong input ! When you enter the wrong and confirm your entry with OK, LOGO! does not open editing mode, but rather returns to the programming menu. This repeats itself over and over until you have entered the correct .

60


Programming LOGO!

3.6.6 LOGO! to RUN mode LOGO! to RUN mode in the main menu. 1. Return to the main menu: ESC 2. move ’>’ to ’Start’: per or 3. Confirm ’Start’: OK LOGO! starts the program and displays: Display field of the LOGO! in RUN mode Press Mo 09:00 06.21.01 Press Date and current time–of–day (only applies to versions with clock)

I:0.,1.,2. 123456789 0123456789 01234

Press

Q:0.,1. 123456789 0123456

Press

Status of the inputs

Status of the outputs

Date and TOD on the display This display flashes as long as date and TOD are not set. Presentation of the inputs on the display I:0.,1.,2. 123456789 0123456789 01234

Inputs I1 to I9 Inputs I10 to I19 Inputs I20 to I24

Presentation of the outputs on the display Q:0.,1. 123456789 0123456


Outputs Q1 to Q9 Outputs Q10 to Q16

61

Programming LOGO! What does ”LOGO! is in RUN” mean? In RUN mode LOGO! processes the program. To do this, LOGO! initially reads the status of the inputs, determines the status of the outputs using your specified program and switches the outputs on or off. The LOGO! presents the I/O status in this way: Input/output has the state ’1’: inverse Input/output has the state ’0’: not inverse

I:0.,1.,2. 123456789 0123456789 01234

Q:0.,1. 123456789 0123456

In this example, only the inputs I1, I15, Q8 and Q12 are “high“.

Status display L1 Let us examine this, using our example:

S1

=1

I1

S2 I2

I:0.,1.,2. 123456789 0123456789 01234 Q:0.,1. 123456789 0123456

Q1

When switch S1 is closed, voltage is applied to input I1, which has the state ’1’. LOGO! uses the program to calculate the output states.

Output Q1 has the state ’1’ here.

If the status of Q1 is ’1’ LOGO! switches the relay Q1; the load on Q1 is supplied with voltage.

N

62


Programming LOGO!

3.6.7 Your Second Program Now that you have successfully programmed your first circuit ( plus the program name and, if desired, assigned a ), We shall commence by showing in this section how you can modify existing programs and use the special functions. In a second program you are shown how to: Insert a block in an existing program. Select a block for a special function. Assign parameters. Modification of circuits In order to produce the second program, we are now going to modify the first one slightly. In the first step, let us examine the circuit diagram for the second program: L1 S1

You already know the first part of the circuit. Switches S1 and S2 operate a relay. This relay switches on the load E1. It should switch off the load again on expiration of a 12–minute off delay.

K1

S2

E1

K1 N

In LOGO! : I1 I2 x

1

This is the new block x T

Q1

You will recognize the OR block and the output relay Q1 from or first program. Only the off delay is new.


63

Programming LOGO! How to edit the program Switch the LOGO! to programming mode As a reminder, this is how it was done: 1. Switch the LOGO! to programming mode (In RUN mode: press ESC. This opens the parameter assignment menu Select ’Stop’ : confirm with OK, move ’>’ to ’Yes’ and confirm once again with OK). See page 45 2. In the main menu, select ”Program..” 3. In the programming menu, select ”Edit Prg” (If required, enter the and confirm with OK) You can now modify the existing program. How to insert a new block in a program Move the cursor underneath the B in B01 (B01 is the block number of the OR): Move the cursor: press the key

B01

Q1

We now insert the new block at this position. Press OK. LOGO! shows you the BN list.

BN

Q1

Select the SF list ( key): The SF list contains the blocks for the special functions.

SF

Q1

Confirm with OK.

64


Programming LOGO! The block of the first special function is displayed:

Trg T

Q1

When you select a special or basic function block, LOGO! displays the respective function block. The full square cursor is positioned in the block. Use the keys or to select the required block.

Select the block (off delay, see next diagram) and confirm with OK: ’OK’ is here preceded with Trg

B01 R T

B02 Q1

The inserted block is assigned the block number B02. Block B01, up to now connected to Q1, is automatically connected to the upper input of the new block. The cursor is positioned at the upper input of the new block.

The off–delay block has three inputs. The upper input is the trigger input (Trg). Use this input to start the off delay. In our example, the off delay is started via the OR block B01. Reset the time and outputs, using the reset input. In the T parameter, set off delay time. In our example, we do not use the reset input of the off delay. We wire it with ’x’. In the first program you have seen how this is done. As a reminder to you: 1. Position the cursor under the R:per or 2. change over to editing mode: OK 3. Select the Co list: per or 4. Accept the Co list: OK 5. Select x: per or 6. Accept x: OK

B02 B01 x T


The display should now look like this:

Q1

65

Programming LOGO! How to assign block parameters Now, specify the off delay time T: 1. If the cursor is not yet positioned underneath the T, move it there: per or 2. change over to editing mode: OK For the parameters LOGO! displays the parameter assignment screen form:

B02:T T=00.00s+ Time value

B02: The T parameter of block B02: is a time + means: the parameter is displayed and can be edited in parameter assignment mode Time unit

The cursor is positioned on the first digit of the time value. This is how you change the time value: Use the keys and to move the cursor to and fro. Use the keys and to change the value. Confirm the time value you have entered with OK. Setting the time Set the time T = 12:00 minutes: 1. Move the cursor to the first digit: per 2. Select the digit ’1’: per 3. Shift the cursor to the second digit: per 4. Select the digit ’2’: per 5. Move the cursor onto the unit: per 6. Select the m unit for minutes: per

66

or or or or or or


Programming LOGO! Displaying/hiding parameters – type of protection If you do not want to have the parameter displayed in parameter assignment mode: 1. Move the cursor onto the type of protection: per or 2. Select the type of protection ’–’: per or On the display you should now see:

B02:T T=12:00m+ Type of protection +: The time T can be changed in parameter assignment mode

or

B02:T T = 12:00m Type of protection – : The time T cannot be changed in parameter assignment mode

3. Close and confirm your entries with

OK

Note You can only change the type of protection and the time unit in programming mode, that is, you cannot do this in parameter assignment mode.

Checking the program This program path for Q1 is now complete. LOGO! shows you the output Q1. You can review the program on the display. Use the keys to browse through the program, e.g. or to move from block to block and to move between the inputs on a block.


67

Programming LOGO! Exiting programming mode You already know how to exit a program from our first program. As a reminder: 1. Return to the programming menu: ESC 2. Return to the main menu: ESC 3. Move ’>’ to ’Start’: per or 4. Confirm ’Start’: OK LOGO! has now returned to RUN mode:

Th 09:30 06.21.01

68

You can use or for viewing and monitoring the status of I/Os.


Programming LOGO!

3.6.8 Deleting a Block Let us assume, in your program you want to delete block B02 and connect B01 directly to Q. B01 B02 I1 I2 x

x T

Q1

Proceed as follows: 1. Switch the LOGO! to programming mode (as a reminder, refer to page 45). 2. Select ’Edit Prg’: per or 3. Confirm ’Edit Prg’: OK (If required, enter the and confirm with OK) 4. Position the cursor on the input of Q1, that is, underneath B02. Use the :

B02

Q1

5. 6. Confirm with OK. 7. Now, replace the block B02 with block B01 directly on output Q1. How to do this: – Select the BN list: per or – Accept the BN list: OK – Select ’B01’: per or – Accept ’B01’: OK Result: Block B02 is deleted because it is not used in the circuit. Block B01 is now connected directly to the output instead of B02.


69

Programming LOGO!

3.6.9 Deleting Multiple Interconnected Blocks In the following program, (corresponds with the program in Chapter 3.6.7) let us assume you want to delete the blocks B01 and B02. B01 B02 I1 I2 x

x T

Q1

Proceed as follows: 1. Switch the LOGO! to programming mode (as a reminder, refer to page 45). 2. Select ’Edit Prg’: per or 3. Confirm ’Edit Prg’: with OK (if required, enter the and confirm with OK) 4. Position the cursor on the input of Q1, that is, underneath B02. Use the :

B02

Q1

5. Confirm with OK. 6. Now, replace block B02 with the connector x on output Q1. How to do this: – Select the Co list: per or – Accept the Co list: OK – Select x: per or – Accept x: OK

70


Programming LOGO! Result: Block B02 is deleted because it is not used in the circuit. All blocks connected to B02 are deleted (e.g. in our example block B01).

3.6.10 Correcting Typing Errors Programming errors can be corrected easily in LOGO! : Provided editing mode is not yet closed, you can revert by one step via ESC. If you have configured all inputs, just enter the wrong input once again: 1. Move the cursor to the location of the error. 2. Change to editing mode. Confirm with OK 3. Enter the correct input circuit. You can only replace one block with another if the new block has exactly the same number of inputs as the old one. However, you can delete the old block and insert a new one. You can choose any new block.

3.6.11 ”?” on the Display If you have entered a program and want to exit “Edit Prg” with ESC, LOGO! checks whether you have connected the inputs of all blocks. If you have missed out on an input or parameter LOGO! leads you to the respective position. It indicates the first faulty position and marks all inputs which are not connected and the parameters with a question mark. In this position you have connected the input You have not yet declared a parameter value

B02 B01 R ? T ?

Q1

Connect the input and enter a value for the parameter. You can then close the editor via ESC key.


71

Programming LOGO!

3.6.12 Deleting a Program This is how you delete a program: 1. Switch the LOGO! to programming mode


LOGO! displays the main menu

2. In the main menu, use or gram..’– Confirm with OK

>Edit Prg Prg Name Clear Prg

LOGO! opens the programming menu.

3. Move ’>’ to ’Clear Prg’: per 4. Confirm ’Clear Prg’:

Clear Prg >No Yes

to move ’>’ to ’Pro-

or OK

To prevent you from unintentionally deleting your program, we have implemented an additional prompt.

If you do not want to delete the program, leave the ’>’ on ’No’ and confirm with OK. If you are sure that you want to delete the program saved in the LOGO!, 5. move the ’>’ to ’Yes’: per or 6. Confirm with OK. LOGO! deletes the program.

72


Programming LOGO!

3.6.13 Summertime/Wintertime Conversion You can enable or disable automatic Summertime/Wintertime Conversion in programming mode under the menu item “Clock”. 1. Switch the LOGO! to programming mode 2. You are now in the main menu and want to select the menu item ’Clock’: per or 3. Confirm ’Clock’: OK 4. Move the ’>’ to ’S/W Time’: per or 5. Confirm ’S/W Time’: OK LOGO! displays:

>On Off S/W Time Off The current setting of automatic Summertime/Wintertime Conversion is shown in the bottom row. Factory default is Off (’Off’: disabled). Enabling Summertime/Wintertime Conversion You now want to enable this conversion and specify or declare its parameter: 1. Move ’>’ to ’On’: per or 2. Confirm ’On’: OK The display shows:

>EU UK US ..


73

Programming LOGO! Description of what is displayed: ’EU’ represents the start and end of summertime in Europe. ’UK’ represents the start and end of summertime in the United Kingdom. ’US’ represents the start and end of summertime in the United States. . . : here you can specify any month, day and time difference. The default program for EU, UK and US conversion are found in the table below: Time difference ∆

Start of summertime

End of summertime

EU

Last Sunday in March: 02:00––>03:00

Fourth Sunday in October: 03:00––>02:00

60 Min

UK

Last Sunday in March: 02:00––>03:00

Last Sunday in October: 03:00––>02:00

60 Min

US

First Sunday in April: 02:00––>03:00

Last Sunday in October: 03:00––>02:00

60 Min

..

Customizing the month Customizing the month Specified by the and the day: 02:00––> and the day: 03:00––> (minute ac02:00 + Time difference 03:00 + Time difference curacy)

Note You can specify a time difference ∆ between 0 and 180 minutes. Let us assume you want to enable European Summertime/ Wintertime Conversion: 3. Move ’>’ to ’EU’: per or 4. Confirm ’EU’: OK

74


Programming LOGO! LOGO! displays:

>On Off S/W Time On→EU LOGO! indicates that European Summertime/Wintertime Conversion is enabled. How to customize parameters If all parameters/conversions do not apply to your country, you can customize them in the menu item ’. .’. How to do this: 1. Confirm ’> On’ once again: OK 2. Move ’>’ to ’. .’: per or 3. Confirm menu item ’. .’ : OK The display shows: Cursor / full square

MM.DD + : 0 01.01 – : 01.01 =000 min

Month (MM) and Day (DD) Start of summertime End of summertime the desired time difference in minutes

Let us assume you want to configure the following parameters: start of summertime 31st of March, end of summertime 1st of November, time difference of 120 minutes. This is how you can enter your data: Use the keys and to move the cursor/full square to and fro. Use the keys and to change the values at the cursor position.


75

Programming LOGO! The display shows:

MM.DD 0 + : 03.31 – : 11.01 =120 min

31. March 1. November Time difference of 120 Min

Confirm all your entries with OK. You have now customized your summertime/wintertime conversion. LOGO! displays:

>On Off S/W Time On→.. LOGO! indicates that summertime/wintertime conversion is enabled and that the parameters were customized ( ’..’ ). Note To disable summertime/wintertime conversion, all you have to do is to confirm ’Off’ with OK in this menu

76


Programming LOGO!

3.7 Memory Space and Size of a Circuit Then size of a program (Circuit program in LOGO!, circuit diagram) is limited by the available memory space (memory requirement for the blocks). Memory area In LOGO! you can only utilize a specific number of blocks in your program. Some blocks require extra memory for their special functions. The memory required for special functions can be split into four memory areas. Par: The area in which the LOGO! stores setpoint values, e.g. the limit values of a counter. RAM: The area in which the LOGO! stores actual values, e.g. a counter value. Timer: The area LOGO! utilizes for timer functions, e.g. for on delays. REM: The area in which the LOGO! stores retentive actual values, e.g. the hours counter value. In blocks with selective use of the retentivity function, this memory area is only used if retentivity is switched on. Resources available in LOGO! A program in LOGO! can occupy the following maximum resources: Blocks 56

Par 48

RAM 27

Timer 16

REM 15

Bit 8

LOGO! monitors memory utilization. It restricts the functions offered in the function lists to those for which sufficient memory space is physically available.


77

Programming LOGO! Memory utilization The table gives you an overview of the specific memory requirements of the special functions: Function block

78

Par

RAM

Timer

REM

Latching relay*

0

(1)

0

(1)

Pulse relay*

0

(1)

0

(1)

Wiping relay

1

1

1

0

Edge–triggered wiping relay

1

1

1

0

On delay

1

1

1

0

Off delay

2

1

1

0

On/off delay

2

1

1

0

Retentive on delay

2

1

1

0

Weekly timer switch

6

2

0

0

Yearly timer switch

2

0

0

0

Up/down counter*

2

(2)

0

(2)

Operating hours counter

2

0

0

4

Symmetric clock generator

1

1

1

0

Asynchronous pulse generator

3

1

1

0

Random generator

2

1

1

0

Frequency trigger

3

3

1

0

Analog trigger

4

2

0

0

Analog comparator

3

4

0

0

Staircase lighting switch

1

1

1

0

Comfort switch

2

1

1

0

Message texts

1

0

0

0

Softkey

1

(1)

0

(1)


Programming LOGO! * Depending whether or not the function is configured retentive, it occupies the following memory space: Retentivity switched off: RAM area Retentivity switched on: REM area Utilization of memory space If you are unable to add another block when editing a program, this is a clear indication that no more memory space is available. LOGO! offers only the blocks for which it can provide sufficient memory space. If a block from the list cannot be added into the LOGO! program you cannot call this list anymore. If the memory space is fully utilized you must optimize your circuit program or use a second LOGO! . Determining the amount of memory required When calculating the memory requirements of a circuit, you must always take all memory areas into . Example: Par RAM Timer REM

6

2

0

Par RAM Timer REM

0

0

B03

0

0

0

B02 B01

No 1 No 2 No 3

x

Q1

x I2

B04 I1 T B06

B05 I3 I4 x


T

Q2

79

Programming LOGO! The sample program contains: Block no.

Memory area

Function Par

RAM

Timer

REM

Blocks

B01

OR

0

0

0

0

1

B02

AND

0

0

0

0

1

B03

Timer switch

6

2

0

0

1

B04

On delay

1

1

1

0

1

B05

Clock generator

1

1

1

0

1

B06

AND

0

0

0

0

1

Resources occupied by the program

8

4

2

0

6

Memory limitations in LOGO!

48

27

16

15

56

in LOGO! still available

40

23

14

15

50

The program therefore fits into LOGO!.

80


4 LOGO! Functions Order LOGO! provides various elements for the programming mode. In order to avoid loosing the overview, we have distributed the elements in ’Lists’. These lists are: Co: Connector list (Connector) (see Chapter 4.1) BF: List of basic functions AND, OR, ... (refer to Chapter 4.2) SF: List of special functions (refer to Chapter 4.4) BN: List of reusable blocks configured in the circuit program List Contents All lists show the elements available in LOGO!. Normally, this includes all connectors, all basic functions and all special functions the LOGO! knows. This includes all blocks you have created in LOGO! by the time you call the list BN . If not all is shown LOGO! does not show all elements if: No more blocks can be added in this case, there is either no more memory space available or the maximum possible number of blocks was reached (56). A specific block’s memory space requirement would exceed the space available in LOGO! .


81

LOGO! Functions

4.1 Constants and Connectors – Co Constants and Connectors ( = Co) are inputs, outputs, memory bits and fixed voltage levels (constants). Inputs: 1) Digital inputs Digital inputs are designated with an I. The numbers of the digital inputs (I1, I2, ...) correspond with the numbers of the input connectors of the LOGO! Basic and of the connected digital modules in the order they were installed. See the figure on the next page. 2) Anaputs The LOGO! versions LOGO! 24, LOGO! 12/24 RC and LOGO! 12/24 RCo are equipped with the inputs I7 and I8 which can also be used as AI1 and AI2, depending on the program. If these inputs are used as I7 and I8 the input signal is interpreted as digital value. When using AI1 and AI2 the signals are interpreted as analog value. When you connect an analog module, the inputs are numbered in the order of the existing anaputs. When selecting the input signal in programming mode, only the anaputs AI1 to AI8 are offered for special functions which sensibly ought to be connected to anaputs. See the figure on the next page. Outputs Outputs are designated with a Q. The numbers of the outputs (Q1, Q2, ...) correspond to those of the of the output connectors of the LOGO! Basic and of the connected expansion modules in the order they were installed. See the figure on the following page.

82


LOGO! Functions Inputs L+ M I1 I2 I3 I4 I5 I6 AI1 AI2

L+ M I9 I10I11I12

L+ M

RUN/STOP

L+ M

L+ M I13I14I15I16

RUN/STOP

RUN/STOP

PE 1

1

Q1

2

1

Q2

2

1

Q3

2

1

Q4

2

1

Q5

Q7

2

Outputs

2

1 1

Q6

2

2 Q8

1 INPUT 2x (..10V/..20 mA)

Q9

2 A!3 M3U3AI4M4U4 1 Q11

2

1 2 Q10 1

2 Q12

Anaputs

Memory bits Memory bits are identified with an M. Memory bits are virtual outputs, with a value at their output analog to that at the input. The LOGO! provides 8 memory bits, namely M1 ... M8. Tip on previous devices With previous versions of LOGO! the maximum number of blocks connected in series can be exceeded by adding memory bits to the program. Initialization memory bit Memory bit M8 is set during the first cycle of the program. You can therefore use it in the program as initialization memory bit. After the first program cycle it is automatically reset. In all subsequent cycles you can use memory bit 8 in the same way as memory bits M1 to M7 for setting, deleting and evaluation operations. Note The output signal of the memory bit is always that of the previous program cycle. The value does not change within the same program cycle.


83

LOGO! Functions Levels Voltage levels are designated hi and lo. A constant block status of “1” = hi or “0” = lo is achieved via input of a fixed level or constant hi or lo value. Open connectors Block pins not connected are symbolized with an x.

84


LOGO! Functions

4.2 List of basic functions – BF Basic functions represent a simple Boolean algebra logic. When programming a circuit, you can find the basic function blocks in the BF list. In the last column you can locate the position of every basic function by scrolling through the BF list per key from top to bottom. Here are the available basic functions: View in the circuit diagram

View in LOGO!

Designation of the basic function

Position in the BF

AND

1

Series circuit n.o. (see page 87)

AND with edge triggering

7

(see page 87)

NAND (AND not) Parallel circuit n.c.

4

(see page 88)

NAND with edge triggering

8

(see page 89)

OR

Parallel circuit n.o.


2

(see page 87)

85

LOGO! Functions View in the circuit diagram

Series circuit n.c.

View in LOGO!

Designation of the basic function

Position in the BF

NOR (OR not)

5

(see page 90)

XOR (exclusive OR) Double changeover

n.c.

6

(see page 91)

NOT (negation, inverter)

3

(see page 91)

86


LOGO! Functions

4.2.1 AND (AND) Series connection of multiple make s in the circuit diagram:

Symbol in LOGO!:

The status of the AND output is 1 when all inputs are 1, that is, if they are closed. The status of a block input pin which is not connected (x) is: x = 1. Table of the AND logic 1

2

3

Q

0 0 0 0 1 1 1 1

0 0 1 1 0 0 1 1

0 1 0 1 0 1 0 1

0 0 0 0 0 0 0 1

4.2.2 Edge–triggered AND Symbol in LOGO!:

The output status of an edge–triggered AND is only 1 if all inputs are 1, and if at least one input was 0 in the previous cycle. The status of a block input pin which is not connected (x) is: x = 1.


87

LOGO! Functions Timing profile for the edge–triggered AND 1 2 3 Q Cycle

1

2

3

4

5

6

7

8

9

1 0

4.2.3 NAND (AND not) Parallel connection of multiple break s in the circuit diagram:

Symbol in LOGO!:

The output status of the NAND is only 0 if all inputs are 1, that is, if the s are closed. The status of a block input pin which is not connected (x) is: x = 1. Table of the NAND logic

88

1

2

3

Q

0 0 0 0 1 1 1 1

0 0 1 1 0 0 1 1

0 1 0 1 0 1 0 1

1 1 1 1 1 1 1 0


LOGO! Functions

4.2.4 NAND With Edge Evaluation Symbol in LOGO!:

The output status of the NAND with edge evaluation is only 1 if at least one input is 0 and if all inputs were 1 in the previous cycle. The status of a block input pin which is not connected (x) is: x = 1. Timing profile for the NAND with edge evaluation 1 2 3 Q Cycle

1

2

3

4

5

6

7

8

9

1 0

4.2.5 OR (OR) The parallel connection of multiple make s in a circuit diagram: Symbol in LOGO!:

The output status of the OR is only 1 if at least one input is 1, that is, if one of the s is closed. The status of a block input pin which is not connected (x) is: x = 0.


89

LOGO! Functions Table of the OR logic 1

2

3

Q

0 0 0 0 1 1 1 1

0 0 1 1 0 0 1 1

0 1 0 1 0 1 0 1

0 1 1 1 1 1 1 1

4.2.6 NOR (OR not) The series connection of multiple break s in the circuit diagram:

Symbol in LOGO!:

The output status of the NOR is only 1 if all inputs are 0, that is, if switched off. The NOR output is set to 0 at the 0 to 1 transition at one of the inputs. The status of a block input pin which is not connected (x) is: x = 0. Table of the NOR logic

90

1

2

3

Q

0 0 0 0 1 1 1 1

0 0 1 1 0 0 1 1

0 1 0 1 0 1 0 1

1 0 0 0 0 0 0 0


LOGO! Functions

4.2.7 XOR (exclusive OR) The XOR in the circuit diagram as 2 changeover s connected in series:

Symbol in LOGO!:

The output status of the XOR is 1 if the inputs are nonequivalent . The status of a block input pin which is not connected (x) is: x = 0. Table of the XOR logic 1

2

Q

0 0 1 1

0 1 0 1

0 1 1 0

4.2.8 NOT (Negation, Inverter) A break in the circuit diagram:

Symbol in LOGO!:

The output status is 1 if the input is 0. The NOT block is an input status inverter. The advantage of the NOT is, for example: For the LOGO! you do not need break s anymore. You simply use a make and convert it with the NOT into a break . Table of the NOT logic 1

Q

0

1

1

0


91

LOGO! Functions

4.3 Basics on special functions At first sight, the special functions differ from the basic functions because of their different input designation. Special functions include timer functions, retentivity and diverse parameter assignment options for customizing the program. In this section we should like to give you a brief overview of the input designations and of special basics relating to special functions. The special functions in particular are described in Chapter 4.4.

92


LOGO! Functions

4.3.1 Designation of the inputs Logical inputs Here you find the description of the connections which can be linked to other modules or inputs of the LOGO! device. S (set): Input S can be used to set the output to “1”. R (reset): The reset input R has priority over all other inputs; it switches the outputs to “0”. Trg (trigger): This input is used to trigger the start of a function cycle. Cnt (count): This input is used to capture count pulses. Fre (frequency): Frequency signals to be evaluated are input with this designation. Dir (direction): This input, for example, determines the direction of count. En (enable): This input enables the block functions. When this input is “0”, the block ignores all other signals. Inv (invert): The output signal of the block is inverted when this input is set. Ral (reset all): All internal values are reset. Connection X at the inputs of the special functions The inputs of the special functions are 0 when connected to the connection ”x”. That is, the inputs are ’lo’.


93

LOGO! Functions Parameter inputs To some of the inputs you do not apply signals, but rather assign specific values to the function block. Par (parameter): This input is not wired. Here, you configure the block parameters. T (time): This input is not wired. Here you configure the times for a block. No (cam): This input is not wired. Here, you configure the time patterns. P (priority): This input is not wired. Here, you specify priorities and determine whether or not a message must be acknowledged in RUN mode.

4.3.2

Time Response

Parameter T With some of the special functions it is possible to configure a time value T. When specifying the time, please note that the values to be entered depend on the set timebase: Timebase

__

:

__

s (seconds)

seconds

:

1/

m (minutes)

minutes

:

seconds

hours

:

minutes

h (hours)

B01:T T=04.10h+

94

100

seconds

Setting the time T to 250 minutes: Unit in hours h: 04.00 hours 00.10 hours =

240 minutes +10 minutes 250 minutes


LOGO! Functions

Note Always specify a time T 0.10 s. The time T is not defined for T = 0.05 s and T= 0.00 s. Accuracy of T All electronic components have slightly different parameters. This can cause deviations in the configured time T. With the LOGO! the maximum deviation is 0.02 %. If 0.02 % of time T is smaller than 0.1 seconds the maximum deviation is 0.1 seconds. Example: The maximum deviation for 1 hour (3600 seconds) is 0.02 %, that is, 0.72 seconds. The maximum deviation for 1 minute (60 seconds) is 0.1 seconds. Timer switch accuracy In order to prevent inaccuracies of clock timing in the C– versions as a result of this deviation, the timer switch is continuously compared with a highly accurate timebase and readjusted. This results in a maximum timing deviation of 5 s/day.

4.3.3 Buffering The Clock The internal clock of a LOGO! continuous operation even on power failure, that is, the clock is buffered. The duration of this buffering is influenced by the ambient temperature. At an ambient temperature of 25°C the buffering time is normally 80 hours.

4.3.4 Retentivity For special functions there is a possibility to keep circuit states and counter values retentive. This, however, requires that retentivity is enabled for the respective functions. An exception is the principally retentive operating hours meter. See also Chapter 6.1 on the description of modules. LOGO! Manual A5E00119092-01

95

LOGO! Functions

4.3.5 Parameter Protection In the parameter protection configuration you can specify whether the parameters can be displayed and edited in LOGO! parameter assignment mode . There are two optional configurations: +: The parameter configuration can be displayed and edited in parameter assignment mode, too. –: The parameter configuration cannot be displayed in parameter assignment mode. Editing is only possible in programming mode. See the example on page 67.

4.3.6 Gain and Offset Calculation With Analog Values The gain and offset parameters can be used to adjust the internal image of an analog value to the actual measurement value. Characteristic quantity

Minimum

Maximum

Terminal voltage (in V)

0

≥ 10

Internal value

0

1000

Gain (in %)

0

1000

–999

+999

Offset

The terminal voltage (at input AI) of 0 to 10 V is mapped internally to values from 0 to 1000. A terminal voltage higher than 10 V is mapped internally by the value 1000. With the gain parameter, for example, you can achieve an amplification of 1:10 at a setting of 1000 %. The offset parameter can be used to shift the zero of measurement values. Formula

Displayed value Ax = (Internal value + Offset) Gain / 100 The gain value displayed is the amplification as %–age. Hence, the division by 100 in the formula.

96


LOGO! Functions Example of analog values Measurement value

–30 C 0 C +70 C

Voltage (V)

Internal value

Offset

Gain

Displayed value (Ax)

0 5 10

0 500 1000

0 0 0

1 1 1

0 5 10

0 5 10

0 500 1000

0 0 0

100 100 100

0 500 1000

0 5 10

0 500 1000

0 0 0

1000 1000 1000

0 5000 10000

0 5 10

0 500 1000

500 500 500

1 1 1

5 10 15

0 5 10

0 500 1000

500 500 500

100 100 100

500 1000 1500

0 5 10

0 500 1000

–200 –200 –200

100 100 100

–200 300 800

0 10

0 1000

–999 999

1000 1000

–9990 19990

0,02 0,02 0,02 0,02

2 2 2 2

0 0 0 0

1 10 100 1000

0 0 2 20

0 3 10

0 300 1000

–300 –300 –300

10 10 10

–30 0 70

You can find an a sample application in the description of the special function “Analog comparator” on page 138. For information on anaputs also refer to Chapter 4.1.


97

LOGO! Functions

4.4 List of Special Functions – SFr When programming in LOGO!, you can find the blocks for the special functions in the SF list. In the table below you can also find comparable views of circuit diagrams as well as the information whether or not retentivity can be configured for the respective function. In the last column you can locate the position of all SFs by scrolling through the list via the key. Display in the circuit diagram

Display in LOGO!

Designation of the special function On delay

Re

Position in SF 1

(see page 101)

Off delay

2

(see page 103)

On/off delay

14

(see page 105)

R Trg

K 1

K 1

Retentive on delay

K 1

Q

S

(see page 107)

Latching relay

R K1

7

Re 5

(see page 109)

K1

Pulse relay

Re 3

(see page 111)

98


LOGO! Functions Display in the circuit diagram

Display in LOGO!

Designation of the special function Wiping relay

Re

Position in SF 9

(see page 112)

Edge triggered wiping relay

18

(see page 114)

Weekly timer switch

4

(see page 115)

Yearly timer switch

13

(see page 120)

Up/down counter

Re 10

(see page 122)

Operating hours meter

8

(see page 124)

Symmetric clock generator

6

(see page 128)

Asynchronous pulse generator

12

(see page 130)


99

LOGO! Functions Display in the circuit diagram

Display in LOGO!

Designation of the special function Random generator

Re

Position in SF 15

(see page 131)

Frequency trigger

Fre

11

(see page 133)

Analog trigger

20

(see page 135)

Analog comparator

21

(see page 138)

Stairway lighting switch

16

(see page 141)

Comfort switch

17

(see page 143)

Message texts

19

P (see page 145)

Softkey

En Par

100

Re 22

Q (see page 148)


LOGO! Functions

4.4.1

On Delay

Short description An output with on delay is not switched on until a specified time has expired. Symbol in LOGO!

Wiring

Description

Input Trg

Use input Trg (Trigger) to start the on delay time

Parameter T

T is the time after which the output is switched (0 to 1 transition of the output signal).

Output Q

Q is switched on when a specified time T has expired, provided Trg is still set.

Parameter T Please not the value specification for parameter T in Chapter 4.3.2. Timing diagram Trg Q T

T

The section of the timing diagram displayed in bold print is found again in the symbol for the on delay.

Ta expires

Description of the function On 0 to 1 transition of input Trg the time Ta starts (Ta is the current time in LOGO! .


101

LOGO! Functions If the status of input Trg is 1 at least for the duration of the configured time T, the output is set to 1 on expiration of this time (the output follows the input with on delay). The time is reset if the status of input Trg changes to 0 before the time T has expired. The output is set to 0 when the status at input Trg is 0. The time elapsed is reset after a power failure.

102


LOGO! Functions

4.4.2

Off Delay

Short description The output is not reset until a configured time has expired. Symbol in LOGO!

Wiring

Description

Input Trg

You start the off delay at the negative edge (1 to 0 transition) at input Trg (Trigger)

Input R

Input R resets the on delay time. It also resets the output to 0.

Parameter T

T is the time after which the output is switched off (1 to 0 transition of the output signal).

Output Q

Q is switched on with Trg. It holds this state until T has expired.

Parameter T Please not the value specification for parameter T in Chapter 4.3.2. Timing diagram Trg

The bold printed section of the timing diagram is found again in the symbol for the off delay.

R Q Ta expires


T

T

103

LOGO! Functions Description of the function When the status of Trg has changed to 1, the output Q is switched instantaneously to 1. The actual time Ta in LOGO! restarts on a 1 to 0 transition at Trg. The output remains set. When Ta reaches the configured value T (Ta=T), output Q is reset to 0 (off delay). The time Ta restarts when input Trg is switched on and off again. Input R (Reset) is used to reset the time Ta and the output before Ta has expired. The time elapsed is reset after a power failure.

104


LOGO! Functions

4.4.3

On/Off Delay

Short description An output with on/off delay is set and reset on expiration of specified times. Symbol in LOGO!

Wiring Input Trg

Description The positive edge (0 to 1 transition) at input Trg (Trigger) starts the time TH for the on delay. The negative edge (1 to 0 transition) at input Trg (Trigger) starts the time TL for the off delay.

Parameter Par

TH is the time after which the output is switched on (0 to 1 transition of the output signal). TL is the time after which the output is switched off (1 to 0 transition of the output signal).

Output Q

On expiration of the configured time TH, output Q is switched on provided Trg is still set. On expiration of the time TL it is switched off, provided Trg was not set again.

Parameter TH and TL Note the value specifications for the parameters TH and TL in Chapter 4.3.2.


105

LOGO! Functions Timing diagram

Trg Q T TH expires T

T T

T


T

TL expires

Description of the function The time TH starts after a 0 to 1 transition at input Trg. If the status at input Trg is 1 at least for the duration of the time TH, the output is set to 1 on expiration of the time TH (the output follows the input on delayed). The time is reset if input Trg changes to 0 before the time TH has expired. Time TL starts when the status at input Trg returns to 0. If the status at input Trg is 0 at least for the duration of TL, the output is set to 0 on expiration of the time TL (the output follows the input off delayed). The time is reset if the status at input Trg returns to 1 before the time TL has expired. The time elapsed is reset after a power failure.

106


LOGO! Functions

4.4.4

Retentive On Delay

Short description A specified time starts after an input pulse. The output is set on expiration of this time. Symbol in LOGO!

Wiring

Description

Input Trg

You start the on delay at the negative edge (1 to 0 transition) at input Trg (Trigger).

Input R

Use the input R to reset the on delay time and the output.

Parameter T

T is the time after which the output is switched on (output transition 0 to 1).

Output Q

On expiration of the time T output Q is switched on.

Parameter T Note the value specifications in Chapter 4.3.2. Timing diagram Trg R Q Ta expires

T

T

The bold printed section of the timing diagram is found again in the symbol for the retentive on delay.


107

LOGO! Functions Description of the function The current time Ta starts at the 0 to 1 transition at input Trg. Output Q is set to 1 when Ta = T. Further switching actions at input Trg have no influence on Ta. The output and the time Ta are only reset to 0 when the status at input R is 1. The time elapsed is reset after a power failure.

108


LOGO! Functions

4.4.5

Latching Relay

Short description Input S sets output Q. Input R resets output Q. Symbol in LOGO!

Wiring

Description

Input S

Use input S to set output Q to 1.

Input R

Use input R to reset output Q to 0 again. If both S and R are 1, the output is reset.

Parameter Par

This parameter can be used to switch retentivity on and off. Ret: off = no retentivity on = the status is retentive

Output Q

Q is switched on with a signal at input S. This state is maintained until input R is set.

Timing diagram R S Q Switching behavior A latching relay is a simple logic memory. The output value depends on the input states and on the previous output status. The following table shows the logic once again:


109

LOGO! Functions Sn

Rn

Q

0 0 1 1

0 1 0 1

x 0 1 0

Comment The status is retentive Reset Set Reset (has priority over Set)

With enabled retentivity the status of the output signal does not change when power is returned after power failure.

110


LOGO! Functions

4.4.6

Pulse Relay

Short description A short one–shot at the input is used to set and reset the output. Symbol in LOGO!

Wiring

Description

Input Trg

You use input Trg (Trigger)to switch the output Q on and off.

Input R

The input R is used to reset the output and the relay.

Parameter Par

This parameter can be used to switch retentivity on and off. Ret: off = no retentivity on = the status is retentive

Output Q

Q is switched on with Trg and off again with the next Trg.

Timing diagram Trg R

The bold printed section of the timing diagram is found again in the symbol for the pulse relay.

Q

Description of the function Output Q status is toggled at every 0 to 1 transition of the status at input Trg, that is, the output is switched on or off. Use input R to reset the pulse relay to initial state, that is, the output is set to 0. After a power failure the pulse relay is reset and the output Q is set to 0 if you have not enabled retentivity.


111

LOGO! Functions

4.4.7

Wiping Relay – Pulse Output

Short description An input signal generates a signal of specified length at the output. Symbol in LOGO!

Wiring

Description

Input Trg

You use input Trg (Trigger) to start the time for the wiping relay.

Parameter T


Output Q

Q is switched on with Trg as long as the time Ta expires and the input is set to 1.

Parameter T For information on the parameter T refer to the note in Chapter 4.3.2. Timing diagram The bold printed section of the timing diagram is found again in the symbol for the wiping relay.

Trg Q Ta expires

T T has not expired

Description of the function The output status is switched to 1 after the input Trg is set to 1. The time Ta is started at the same time and the output remains set.

112


LOGO! Functions When Ta reaches the value specified in T (Ta=T), the status of output Q is reset to 0 (pulse output). On input Trg transition from 1 to 0 before the specified time has expired, the output follows immediately with a 1 to 0 transition.


113

LOGO! Functions

4.4.8

Edge–triggered Wiping Relay

Short description An input signal generates an output signal of specified length (retriggering). Symbol in LOGO!

Wiring

Description

Input Trg

Use the input Trg (Trigger) to start the time for the edge–triggered wiping relay.

Parameter T


Output Q

Q is switched on with Trg. It holds this state until T has expired.

Parameter T For information on the parameter T refer to the note in Chapter 4.3.2. Timing diagram Trg

The bold printed section of the timing diagram is found again in the symbol for the edge–triggered wiping relay.

Q Ta expires

T

T

Description of the function The output status is switched to 1 after the input Trg is set to 1. Time Ta is started at the same time. After Ta has reached the value specified in T (Ta=T) the output Q status is reset to 0 (pulse output). The time Ta is reset if input Trg changes again from 0 to 1 (retriggering) before the specified time has expired. The output remains switched on.

114


LOGO! Functions

4.4.9

Weekly Timer Switch

Short description The output is controlled via a specified on–/off–date. The function s any combination of weekdays. You select the active weekdays by hiding the inactive days. Note The LOGO! 24 version does not have an internal clock. Therefore, the weekly timer switch cannot be used for this version.

Symbol in LOGO!

Wiring

Description

The parameters Cam 1, Cam 2 Cam 3

In the Cam parameter you set the on–/off–time respectively for one Cam of the weekly timer switch. Here you configure the days and the time–of–day.

Output Q

Q is switched on when the configured cam is switched on.

Timing diagram (three examples)

Cam

1

21

1

1

1

1

3

1

3 Q

Monday Wednesday Friday Sunday Tuesday Thursday Saturday Cam1: Daily: 06:30 h to 08:00 h Cam 2: Tuesday: 03:10 h to 04:15 h Cam 3: Saturday and Sunday: 16:30 h to 23:10 h


115

LOGO! Functions Description of the function Every weekly timer switch has three cams. You can configure in a time hysteresis for each cam. In the cam setting you specify the on–/off–times. At the on–time, the weekly timer switch switches on the output, if the output is not already switched on. At the off–time, the weekly timer switch switches off the output, if the output is not already switched off. The on– and off–times are in conflict if their specified switching time is the same for the weekly timer switch, but on different cams. In this case cam 3 has priority over cam 2, whereas cam 2 has priority over cam 1. Parameter assignment screen form This is what a parameter assignment screen form looks like, for instance, for cam no.1: Block B01

Cam 1

B01:Cam1 D=MTWTFSS+ On =06:30 Off=08:00

Weekdays (daily) See display/hide parameter – Type of protection on page 67 On–time (06.30 h) Off–time (08.00 h)

Weekday The letters behind the “D=” have the following meaning: M : Monday T : Tuesday W : Wednesday T : Thursday F : Friday S : Saturday S : Sunday

116


LOGO! Functions An upper case letter means that the weekday is selected. The character “–” means that the weekday is not selected. Switching times Possible is any time between 00:00 h and 23:59 h. ––:–– means there are no on– and off–times. Setting the weekly timer switch This is how you specify the switching times: 1. Position the cursor on one of the Cam parameters of the timer switch (e. g. Cam 1). 2. Confirm with OK. LOGO! opens the parameter assignment screen form for the cam. The cursor is positioned on the weekday. 3. Use and to select one or several weekdays. 4. Use to move the cursor to the first position of the on– time. 5. Set the on–time. Modify the value at the respective position, using the keys and . Move the cursor around to the various positions, using the keys and . You can only select the value ––:–– at the first position (––:–– means: no switching operation). 6. Using the key , move the cursor to the first position of the off–time. 7. Set the off–time (in same way as in step 5). 8. Confirm your entries Confirm with OK. The cursor is positioned on the Cam 2 parameters. You can now configure another cam. Note You can find information on timer switch accuracy in the Technical Data and in Chapter 4.3.2.


117

LOGO! Functions

Weekly timer switch: Example The output of the weekly timer switch is to be switched on daily from 05:30 h to 07:40 h. The output should also be switched on every Tuesday from 03:10 h to 04:15 h and at the weekends from 16:30 h to 23:10 h. This requires three cams. Here are the parameter assignment screen forms of the cams 1, 2 and 3, based on the timing diagram above. Cam 1 Cam 1 must switch on the output of the weekly timer switch daily from 05:30 h to 07:40 h.

B01:Cam 1 D=MTWTFSS+ On =05:30 Off=07:40 Cam 2 Cam 2 must switch on the output of the weekly timer switch every Tuesday from 03:10 h to 04:15 h.

B01:Cam 2 D=–T–––––+ On =03:10 Off=04:15

118


LOGO! Functions Cam 3 Cam 3 must switch on the output of the weekly timer switch every Saturday and Sunday from 16:30 h to 23:10 h.

B01:Cam 3 D=–––––SS+ On =16:30 Off=23:10 Result

Cam

1

21

1

1

1

1

3

1

3 Q

Monday Wednesday Friday Sunday Tuesday Thursday Saturday


119

LOGO! Functions

4.4.10

Yearly Timer Switch

Short description The output is controlled via a specified on–/off–date. Note The LOGO! 24 version does not have a clock. Therefore, the yearly timer switch cannot be used for this version.

Symbol in LOGO!

Wiring

Description

input Cam

In the Cam parameters, you configure the on–/off–times for the cams of the yearly timer switch.

Output Q

Q is switched on when the configured cam is switched on.

Timing diagram Feb.

mar.

Apr.

MM.DD+ On=02.20 Off=04.03

On Off 20th of February at 00:00 h

3rd of April at 00:00 h

Description of the function At the specified on–time the yearly timer switch switches on the output. At the specified off–time the yearly timer switch switches off the output. The off–date specifies the day on which the output is reset to 0 again. The first value identifies the months, the second value the day.

120


LOGO! Functions Sample configuration On 1st of March the output of a LOGO! is to be switched on until the 4th of April. On 7th of July it is switched on once again until the 19th of November. This requires two yearly timer switches for which the respective on times must be configured. The outputs are then linked via an OR block.

B01:Cam MM.DD On =03.01 Off=04.04

on–time 1st of march off–time 4th of April

B02:Cam MM.DD On =07.07 Off=11.19

in addition: on–time 7th of July off–time on 19th of November

Result On B01

B02 Off

1st of March at 00:00 h

7th of July at 00:00 h 4th of April at 00:00 h


19th of November at 00:00 h

121

LOGO! Functions

4.4.11 Up/Down Counter Short description Depending on the configuration, an internal value is counted up or down at every input pulse. The output is set when the configured count value is reached. A special input can be used to change the counting direction. Symbol in LOGO!

Wiring

Description

Input R

Input R resets the internal count value and the output to zero.

Input Cnt

The counter counts the 0 to 1 transitions at input Cnt. 1 to 0 transitions are not counted. Maximum counting frequency at the input terminals: 5 Hz

Input Dir

You specify the counting direction via the input Dir: Dir = 0: Up–count Dir = 1: Down–count

Parameter Par

Lim: Counter value limit at which the output is reset by the internal count value. Ret: Enabling retentivity

Output Q

122

Q is switched on when the count value is reached.


LOGO! Functions Timing diagram R Cnt Dir internal count value Cnt

Par 0 Q

Description of the function With every positive edge at input Cnt the internal counter increments (Dir = 0) or decrements (Dir = 1) by one count. . Output Q is set to 1 when the internal value is greater than or equal to the value specified in Par. You can use reset input R to reset the output and the internal count value to ’000000’. When R=1, the output is 0 and the pulses at input Cnt are not counted. Configuration of the Par parameter

B03:Par Lim= 000100+ Rem=off

Count value See display/hide parameter – Type of protection on page 67 Retentivity

The output is set when the internal value is greater than or equal to the value specified in Par. The counter stops on over/underflow. Lim can lie between 0 and 999999. Ret: This parameter is used to switch retentivity on and off for the internal count value Cnt. off = no retentivity on = the count value Cnt is retentive When retentivity is switched on, the counter value is maintained in the event of power failure. The count is resumed at the same value after power is returned . LOGO! Manual A5E00119092-01

123

LOGO! Functions

4.4.12 Operating Hours Counter Short description A specified time starts when the input is set. The output is set on expiration of this time. Symbol in LOGO!

Wiring Input R

Description R = 0: Counting is enabled if Ral is not 1 R = 1: Counter has stopped Use input R to reset the output. The time–to–go for the maintenance interval MN is set to the value MN = MI. The time elapsed is maintained.

Input En

En is the monitoring input. LOGO! measures the time when this input is set.

Input Ral

Ral = 0:Counting is enabled if Ral is not 1 Ral = 1: The counter has stopped Use input Ral (Reset all) to reset the counter and the output. out ut. That is,

output Q = 0, measured operating time OT = 0 and

the time–to–go of the maintenance interval MN = MI.

124


LOGO! Functions Symbol in LOGO!

Wiring Parameter Par: MI

Description MI: maintenance interval to be specified, in hour units. MI can lie between 0 and 9999 hours.

Output Q

The output is set when the time–to–go MN = 0 (see the timing diagram).

MI = configured count value MN= time–to–go OT= total time elapsed since the last 1 signal at the Ral input

Timing diagram R En Ral Q MN=MI

Par: MI=5h

MN=0

OT

1h

x

x–R=1h

R The counter holds when R or Ral is set MI = configured time interval MN = time–to–go OT = total time elapsed since the last 1 signal at the Ral–input


125

LOGO! Functions Description of the function The hours counter monitors the input En. As long as the status of this input is 1, LOGO! determines the time expired and the time–to–go MN. The LOGO! displays the times in parameter assignment mode. Output Q is set to 1 when the time–to–go MN = 0. Use input R to reset output Q and time–to–go counter to the specified value MI. The internal counter OT continues the count. Use input Ral to reset output Q and the time–to–go counter to the specified value MI. The internal counter OT is reset to 0. Viewing MN and OT values LOGO! Basic with display: In parameter assignment mode you can view the actual values of MN and OT while the program is running. LOGO! Basic without display: with LOGO!Soft Comfort (refer to Chapter 7 for additional information) you can read the values as follows. Note The PC link must be connected to the LOGO! before you switch on the power supply. . 1. In the “Extras transfer” menu, select the menu item “Hours counter”. A connection is automatically established to the LOGO! and the current program is fetched. 2. An Info box pops up showing the data.

126


LOGO! Functions

Note The hours counter can be fetched without entering a . If your LOGO! without display is equipped with a red module you cannot fetch the hours counter, because the program of the LOGO! will be deleted when you remove the module (to connect the PC cable) .

Limit value for OT Elapsed operating hours are saved in OT when using the input R signal to reset the hours counter. The limit value for the OT counter is 99999 h. When the hours counter reaches this value, no more hours are counted. The OT value ensures retentivity of the hours counter. Configuration of the Par parameter

B03:Par MI = 0000h+

Monitoring interval in hours Parameter protection

MI is the specified time interval. It can lie between 0 and 9999.


127

LOGO! Functions

4.4.13 Symmetric Clock Generator Short description The period of the output clock signal is configurable. Symbol in LOGO!

Wiring

Description

Input En

Use the input En to switch the clock generator on and off.

Parameter T

T is the time during which the output is switched on or off.

Output Q

Q is toggled periodically depending on the clock cycle time T.

Parameter T Note the value specifications in Chapter 4.3.2. Timing diagram En Q

T

T

T

T

The bold printed section of the timing diagram is found again in the symbol for the symmetric clock generator.

Description of the function In parameter T you specify the length of the on and off times. Via input En (Enable) you can switch on the clock generator, that is, the generator toggles the output between 1 and 0, respectively for the duration of the time T, until the input status is 0 again.

128


LOGO! Functions Note relating to relay outputs: The output s of a relay wear slightly when switched under load. You can find information on the number of switching cycles an output of a LOGO! can safely carry out in the Chapter ’Technical Data’ (see Chapter A).


129

LOGO! Functions

4.4.14 Asynchronous Pulse Generator Short description The pulse profile of the output can be customized via pulse/pause ratio. Symbol in LOGO!

Wiring

Description

Input En

You can use input EN to switch the asynchronous pulse generator on and off.

Input INV

You can use input INV to invert the output signal of the active asynchronous pulse generator.

Parameter Par

You can customize the period TH and the pulse pause width TL.

Output Q

Q is toggled periodically, depending on the clock cycles TH and TL.

Timing diagram En Inv Q TH

TL

TH

TL

TH

TH

TL

Description of the function In the parameters TH (Time High) and TL (Time Low) you can adjust the period and the pause width. With input INV you can also invert the output. The input block INV only negates the output if it is enabled via EN.

130


LOGO! Functions

4.4.15 Random Generator Short description With a random generator the output is switched on and off again within a specified time. Symbol in LOGO!

Wiring Input En

Description You can start the on delay time of the random generator at the positive edge (0 to 1 transition) at the enable input En. You can start the off delay time of the random generator at the negative edge (1 to 0 transition).

Parameter Par

The random on delay time is 0 s to TH. The random on delay time is 0 s to TL.

Output Q


On expiration of the on delay time output Q is switched on, provided En is still set. On expiration of the off delay time it is switched off, provided En was not set again meanwhile.

131

LOGO! Functions Parameter TH and TL Note the value specifications for the parameters TH and TL in Chapter 4.3.2. Timing diagram En


Q

T is running

TH

TL

Description of the function A random time (on delay) between 0 s and TH is determined and started at the 0 to 1 transition of the status at input EN. The output is set to 1 on expiration of the on delay time, if the status at input En is 1 at least for the duration of the on delay time. The time is reset if the status at input En returns to 0 before the on delay time has expired. When the status at input En returns to 0, a random time (off delay) between 0s and TL is determined and started. The output is reset to 0 on expiration of the off delay time, if the status at input En is 0 at least for the duration of the off delay time. The time is reset if the status at input En returns to 1 before the on delay time has expired. The time elapsed is reset after a power failure.

132


LOGO! Functions

4.4.16

Frequency Threshold Trigger

Short description The output is switched on and off, depending on two specified frequencies. Symbol in LOGO!

Wiring input Fre

Fre

Description At input Fre you connect the input that supplies the pulses to be counted. Use

inputs I5/I6 for fast counting operations (only LOGO! 12/24 RC/ RCo and LOGO! 24): max. 1 kHz.

any other input or circuit component for counting low frequencies. Parameter Par:

SW: on threshold

SW, SW G_T

SW: off threshold

Output Q

Q is switched on and off depending on SW and SW.

G_T: Time interval or gate time during which the pulses are measured.

Timing diagram Q G_T Fre fa = 9


fa = 10

fa = 8

fa = 5

SW = 9 SW = 5

133

LOGO! Functions Description of the function The threshold switch measures the signals at input Fre. The pulses are captured across a specified period G_T. Output Q is switched on if the value measured within the time G_T is higher then the on and off threshold. Q is switched off again when the measured pulse rate is equal to/lower than the off threshold value. Configuration of the Par parameter

B03:Par SW=0050+ SW=0048 G_T:01:00s

on threshold Parameter protection off threshold Time interval for pulses

SW is the on threshold. The permitted range is 0000 to 9999. SW is the off threshold. The permitted range is 0000 to 9999.

G_T is the time interval during which the pulses at the Fre input are measured. The permitted range for G_T is 00.05 s to 99.95 s. Note When you specify a time G_T of 1 s, the LOGO! returns the current frequency in parameter fa in Hz. fa is always the sum of the measured pulses per time unit G_T.

134


LOGO! Functions

4.4.17

Analog Threshold Switch

Short description The output is switched on when the analog value exceeds a specified on threshold. The output is switched on when the analog value drops below a specified off threshold (hysteresis). Symbol in LOGO!

Wiring Input Ax

Description At input Ax you apply the analog signal you want to evaluate. Always use the terminals I7 (AI1) or I8 (AI2), only the LOGO! 12/24 RC/RCo and LOGO! 24 or those of an analog module. 0–10 V is equivalent to 0–1000 (internal value).

Parameter Par: , , SW, SW

: Gain in % range of values 0..1000 % : Offset range of values 999 SW: on threshold range of values 19990 SW: off threshold range of values 19990

Output Q

Q is set and reset depending on the thresholds.

Gain and offset parameters Note the information relating to the gain and offset parameters in Chapter 4.3.6.


135

LOGO! Functions Timing diagram 1000

SW SW Ax

0

Q

Description of the function This function fetches the analog value of a signal at the anaput (AI1 ,AI2...AI8). The offset parameter is then added to the analog value. The result is multiplied by the gain parameter. Since this is given as a %–age, the value 1000% for instance is equivalent to a multiplication by 10. See Chapter 4.3.6. Output Q is set to 1 if this value exceeds the on threshold (SW). Q is reset to 0 again after the value reaches or drops below the off threshold (SW).

136


LOGO! Functions Configuration of the Par parameter The gain and offset parameters are used to adapt the used sensors to the respective application. Parameter assignment:

B03:Par SW =+00000 SW =+00000 =0050+

on threshold off threshold Gain in % Parameter protection

Press the key

SW=+00000 SW=+00000 =0050+ =+200

Offset

Display in parameter assignment mode (example):

B02:Par SW =+400 SW =+200 Ax =+20


137

LOGO! Functions

4.4.18

Analog Comparator

Short description The output is switched on if the difference Ax – Ay exceeds the set threshold. Symbol in LOGO!

Wiring Inputs Ax and Ay

Description At the inputs Ax and Ay, apply the analog signals for which you want to evaluate the difference. Use the terminals I7 (AI1) and I8 (AI2), only the LOGO! 12/24 RC/RCo and LOGO! 24 or those of an analog module.

Parameter Par: , ,

: Gain in % range of values 0..1000 % : Offset range of values 999 : threshold

Output Q

Q is set to 1 if the difference Ax–Ay exceeds the threshold.

Gain and offset parameters Note the information relating to the gain and offset parameters in Chapter 4.3.6.

138


LOGO! Functions Timing diagram 1000

Ax

0 1000

Ay

0 1000

Ax–Ay

>200 0 –200

Q for Ax - Ay > 200

Description of the function The analog comparator function carries out the following calculations: 1. The value configured in the offset parameter is added to Ax and Ay. 2. Ax and Ay are multiplied by the gain parameter. Since this is given as a %–age, the value 1000% for instance is equivalent to a multiplication by 10. 3. The function forms the difference of the analog values Ax–Ay Output Q to 1 if this differential value exceeds the threshold you have configured under . Otherwise Q is reset to 0. Calculation rules Q = 1, if: [(Ax + offset) gain] – [(Ay + offset) gain] > threshold Configuration of the Par parameter The gain and offset parameters are used to adapt the used sensors to the respective application.

B03:Par =00000+ =0050 =+200 LOGO! Manual A5E00119092-01

Threshold Parameter protection Gain in % Offset

139

LOGO! Functions Example For the controls of a heater, the supply and return line temperatures Tv (e.g. with a sensor at AI1) and Tr (e.g. with a sensor at AI2) are to be compared. A switching operation is to be triggered (e.g. burner on) if the return line temperature deviates by more than 15 C from the supply line temperature. The physical temperature is to be displayed in parameter assignment mode. Available are thermal elements with the following technical data: –30 to +70 C, 0 to 10 V DC. Application

Internal mapping

–30 to +70 C = 0 to 10V DC

0 to 1000

0 C

300 Offset = –300

Range of values:

1000

–30 to +70 C = 100

Gain = 100/1000 = 0,1 = 10 %

Switching threshold = 15 C

Threshold = 15

See also Chapter 4.3.6. Parameter assignment:

B03:Par =00015 =0010+ =-300 Display in parameter assignment mode (example):

B03:Par = 20 Ax = 10 Ay = 30 140

B03:Par = 30 Ax = 10 Ay =– 20 LOGO! Manual A5E00119092-01

LOGO! Functions

4.4.19 Stairway Lighting Short description The input pulse (edge control) starts a specified time. The output is reset on expiration of this time. 15 s prior to the expiration of this time an off pre–warning is generated. Symbol in LOGO!

Wiring

Description

Input Trg

Use the input Trg (Trigger) to start the timer for the stairway lighting switch (off delay).

Parameter T

T is the time after which the output is switched off (1 to 0 transition of the output status). Default timebase is the minute.

Output Q

On expiration of the time T Q is switched off. 15 s prior to the expiration of this time the output is switched to 0 fro the duration of 1 s.

Parameter T Note the value specifications in Chapter 4.3.2. Timing diagram Trg Q

Ta expires

T

Pre–warning duration

1s 15s Pre–warning time


141

LOGO! Functions Description of the function The output Q is set to 1 on a 0 to 1 transition at input Trg. At the 1 to 0 transition of the status at input Trg the current time Ta starts. The output Q remains set. 15 s before Ta reaches the time T the output Q is reset to 0 for a time of 1 s. When Ta = T, the output Q is reset to 0. When input Trg is switched on and off again while Ta expires, Ta is reset (retriggering option). The time elapsed is reset after a power failure. How to change the timebase You can also set other values for the pre–warning time and pre–warning period . Timebase T

Pre–warning time

Pre–warning duration

Seconds*

750 ms

50 ms

minutes

15 s

1s

hours

15 min

1 min

*Only feasible for programs with a cycle time < 25 ms

See also “Determining the cycle time” in Appendix B.

142


LOGO! Functions

4.4.20 Multifunctional switch Short description Switch with two different functions: Pulse switch with off delay Switch (continuous lighting) Symbol in LOGO!

Wiring

Description

Input Trg

Use input Trg (Trigger) to switch on the output Q (off delay or continuous lighting). The active output Q can be reset with Trg.

Parameter Par

TH is the time after which the output is switched off (1 to 0 transition of the output status). TL is the period during which the input must be set in order to enable the continuous lighting function.

Output Q

The output Q is switched on with Trg. Depending on the pulse width at the input Trg, it is switched off again on expiration of a specified time, or reset by setting Trg once again.

Parameter TH and TL Note the value specifications in Chapter 4.3.2. (as a reminder: “Always specify a time T 0.10 s. The time T is not defined for T = 0.05 s and T= 0.00 s”)


143

LOGO! Functions Timing diagram Trg

TL Q

Ta expires

TH

Description of the function The current time Ta starts and the output Q is set to 1 at the 0 to 1 transition of the status at input Trg. When Ta reaches the time TH, the output Q is reset to 0. The time elapsed is reset after a power failure. At the 0 to 1 transition of the status at input Trg and if the status ’1’ is set at least for the duration of the time TL, the continuous lighting function is enabled and output Q is switched on continuously. If the input is switched once again, Trg resets TH nevertheless and the output Q is switched off.

144


LOGO! Functions

4.4.21 Message Texts Short description Displaying a specified message text in RUN mode. Symbol in LOGO!

Wiring

Description

Input En

The 0 to 1 transition of the status at input En (Enable) starts the output of the message text.

Parameter P

P represents the priority of the message text. Ack: Acknowledgment of the message text.

Parameter Par

Par is the text for the message output.

Output Q

Q is set as long as the message text is displayed.

Restriction A maximum of five message text functions are possible. Description of the function On 0 to 1 transition of the status at input En the display shows in RUN mode your specified message text . Acknowledgment disabled (Ack = Off): On 1 to 0 transition of the status at input En the message text is hidden. Acknowledgment enabled (Ack = On): On a 1 to 0 transition of the status at input En, the message text is held until acknowledged with OK. When En is 1, you cannot acknowledge the message text. When multiple message text functions are triggered with En=1, the message text with the highest priority is shown (0=lowest, 9=highest). You can toggle between the standard display and the message text display using the keys and . LOGO! Manual A5E00119092-01

145

LOGO! Functions Example This is how a message text might be displayed: En=1

Motor 2 3000 hours MAINTENANCE!

Th 09:30 06.21.01

Parameter assignment screen form This is how to configure the priority and the acknowledgment:

B03:P Priority 0 Ack=Off

Parameter assignment screen form for P Priority Status of the acknowledgment

1. Increase priority to 1: 2. Change to ’Ack’: 3. Enable ’Ack’: LOGO! displays:

B03:P Priority 1 Ack=On

Cursor on ’0’ + Press the key per or

Parameter assignment screen form for P Priority 1 Status of acknowledgment ’On’

4. Confirm messages with OK This is how to configure the message text:

.. .. .. .. 146

Parameter assignment screen form for Par


LOGO! Functions Using the key , select the row for the message text. Confirm with OK to open the editing mode for this line. Use the keys and to select the letter to be displayed. Move the cursor from one position to the other, using the keys and . The list of available characters is the same as for the program name. You can find a character set in Chapter 3.6.4. Confirm the changes with OK. Exit the editing mode with ESC. In order to output a parameter (e.g.: the display of a measurement or function value) as message text in a line, select this line with the key and then press the key :

Par .. .. .. Confirm with OK to open editing mode:

B01>T

Use the keys and to select the blocks to be displayed and their corresponding parameters . Use the keys and to select the block or the parameter you want to view. Select the parameter with OK. Exit parameter assignment mode with ESC. Your changes are applied.


147

LOGO! Functions

4.4.22 Softkey Short description This logical function has the effect of a mechanical momentary switch or of a switch. Symbol in LOGO!

En Par

Wiring

Description

Input En

On a 0 to 1 transition of the status at input En (Enable) the output Q is switched on, provided ’Switch=On’ was confirmed in parameter assignment mode.

Parameter Par

When programming: Par gives you the option to use the function as momentary pushbutton in one cycle or to use it as switch. Ret: off = no retentivity on = the status can be saved retentive In RUN mode: Switch: switches the pushbutton or switch on or off.

Output Q

Switches on if En=1 and if Switch=On was confirmed with OK.

Q

Factory default The factory default setting of ’Par’ is ’Pushbutton’. Timing diagram En Switch Q

148


LOGO! Functions Description of the function The output is switched on after input En is set and, in parameter assignment mode, if ”On” is selected in the parameter ’Switch’ ’On’ and confirmed with OK. Whether the function was configured as pushbutton or switch is here of no concern. The output is reset to ’0’ at three events: At the 0 to 1 transition of the status at input En. When the function was configured as pushbutton and one cycle has expired since it was switched on. When the position ’Off’ was selected in the parameter ’Switch’ and confirmed with OK in parameter assignment mode. Configuration of the Par parameter

In programming mode: 1. Select the ’Softkey’ function. 2. Select input En and confirm with OK. The cursor is now positioned below ’Par’. 3. Change to the input mode of ’Par’: Confirm with OK (the cursor is now positioned to ’On’)

B03:Par On= Rem=Off

The function is configured as ’pushbutton’ The status is not retentive

This is how to change ’Par’ to ’Switch’ and activate retentivity (Ret=On): 4. Toggling between the ’Pushbutton’ and ’Switch’ function: per or


149

LOGO! Functions

B03:Par On/Off

Function as ’Switch’

Rem=Off

The status is not retentive

5. Change to retentivity: 6. Enable retentivity:

per per

or or

B03:Par On/Off

Function as ’Switch’

Rem=On

The status is retentive

7. Confirm your entries with

with OK

In parameter assignment mode (RUN mode): Here, you can switch the parameter ’Switch’ on and off (On/Off). In RUN mode LOGO! displays:

B03:Par Switch=Off

Let us assume you want to activate ’Switch’ (On). 1. Change into editing mode: Confirm with OK (the cursor is now positioned to ’Off’) 2. Change from ’Off’ to ’On’: per or 3. Confirm your entries with with OK

B03:Par Switch=On

150

Here, for example, the switch is On


5 Configuring LOGO! We consider ’parameter assignment’ as the configuration of block parameters. You can set delay times for time functions, switching times for the timer switches, the threshold value of a counter, the monitoring interval of an operating hours counter and the on and off thresholds of the triggers. You can configure the parameters: In programming mode In parameter assignment mode In parameter assignment mode, the programmer configures the parameters. We introduced this parameter assignment mode to allow editing of the parameters without having to change the program. In this way, for example, a can edit parameters without having to switch to programming mode. The advantage: The program (and thus the circuit) is protected but can still be modified by the of the circuit to suit requirements. Note In parameter assignment mode, the LOGO! continues processing of the program.


151

Configuring LOGO!

5.1 Switching To Parameter Assignment Mode In RUN mode, you can switch to parameter assignment mode by pressing the ESC key:

Mo 09:30 06.21.01

...and press

ESC

LOGO! switches to parameter assignment mode and displays Parameter assignment menu:

>Stop Set Param Set Clock Prg Name Description of the four menu options in the parameter assignment menu Stop You are going to use this menu item to stop your program and, as a result, open the main menu in programming mode. Proceed as follows: 1. Move the ’>’ character to ’Stop’: per or 2. Confirm the ’Stop’: OK

Stop Prg >No Yes 3. Move the ’>’ character to ’Yes’: 4. Confirm ’Yes’:

152

per OK

or


Configuring LOGO! LOGO! returns to the main menu:

>Program.. PC/Card.. Clock.. Start Set Param The diverse parameters are described in the following Chapters 5.1.1 to 5.1.3. Set Clock The menu item ’Set Clock’ is only executed in a LOGO! equipped with a clock (LOGO!..C). In ’Set Clock’ you can set the internal clock of the LOGO!. Closer detail in section 5.2. Prg Name Under this menu item you can only read your program name. In parameter assignment mode it is not possible to change the program name.

5.1.1 Parameter Parameters are: The delay times of a timer relay. The switching times (cams) of a timer switch. The threshold value of a counter The monitoring time for an operating hours counter The switching thresholds of a threshold switch. Each one of the parameters is identified by its block number and mnemonics. Examples:

B01:T Block number

Mnemonic

T: ...is a configurable time. Cam 1: ...is the first cam of a timer switch. Par: ...denotes multiple counter parameters that can be monitored. LOGO! Manual A5E00119092-01

153

Configuring LOGO!

5.1.2 Selecting the Parameters Select a parameter: 1. In the parameter assignment menu via ’Set Param’ option or

STOP >Set Param Set Clock Prg Name 2. Press OK LOGO! displays the first parameter. If parameters cannot be set, you can use ESC to return to the parameter assignment menu.

B01:T T = 12:00m Ta= 00:00m

Parameter Value set for the parameter the current time in the LOGO! Parameters cannot be changed: ESC returns you to the parameter assignment menu

No Param Press ESC 3. Now, Select the desired parameter: Use the or LOGO! displays one parameter respectively in separate windows. 4. If you want to edit a parameter, select it and press OK.

154


Configuring LOGO!

5.1.3 Changing the Parameters To change a parameter, you first have to select it (see ”Selecting a parameter). You change the value of the parameter in the same way as you entered it in programming mode: 1. Move the cursor to the point at which you want to make the change: per or 2. Change the value: per or 3. Confirm the value: OK

B01:T T = 01:00m Ta= 00:00m

Move: or Done: OK

Change the value: or

Note In parameter assignment mode, you cannot change the unit of the delay time or the parameter protection for the parameter T. This is only possible in programming mode. Current value of a time T If you view a time T in parameter assignment mode, it look like this:

B01:T T = 12:00m

Set time T

Ta= 00:00m

Current time Ta

You can change the set time T (see ”Changing a parameter).


155

Configuring LOGO! Current value of the timer switch If you view a cam of a timer switch in parameter assignment mode, it looks like this, for example:

B02:Cam 11 Day = Su On =09:00 Off=10:00

The circuit state of the timer switch is displayed:

0

The timer switch is off (status ’0’ at the output)

1

The timer switch is on (status ’1’ at the output)

LOGO! displays the circuit state of the timer switch rather than the circuit state of a cam. The circuit state of the timer switch depends on all three cams (Cam 1, Cam 2 and Cam 3). Current value of a counter If you view the parameter of a counter in parameter assignment mode, it looks like this:

B03:Par Lim=000300

Switching threshold

Cnt=000028

Current count value

Current value of an operating hours counter If you view the parameter of an operating hours counter in parameter assignment mode, it looks like this:

B05:Par MI = 0100h MN = 0017h OT =00083h

156

Monitoring time time–to–go Operating hours elapsed


Configuring LOGO! Current value of a threshold switch If you view the parameter of a threshold switch in parameter assignment mode, it looks like this:

B06:Par SW=0050 SW=0048 fa=0012


On threshold Off threshold Measured value

157

Configuring LOGO!

5.2 Setting the Time–of–day and the Date (LOGO! ... C) You can set the TOD and the date In parameter assignment mode In programming mode. How to set the TOD and the date in parameter assignment mode: 1. Open the parameter assignment mode (refer to Chapter 5.1) 2. Select ’Set Clock’ ( or ) and press OK.

Set Clock _Th 15:30 MM.DD.YY 06.21.01

The cursor position precedes the day of the week.

3. Select the day of the week: per or 4. Move the cursor to the next position: per or 5. Change the value: per or 6. Set the correct TOD. Repeat steps 4 and 5. 7. Set the correct date. Repeat steps 4 and 5 8. Close your entries: OK How to set the TOD and the date in programming mode: 1. Switch to programming mode: In RUN, execute the menu item ’Stop’. (see page 45) 2. Select ’Clock..’ ( or ) and press OK. 3. Select ’Set Clock’ ( or ) and press OK Now you can set the day of the week and the time, as described above (as of step 3.).

158


6 LOGO! Program Modules In LOGO! you can only keep one program stored in memory. If you want to modify the program or write another program without deleting the first one, you must archive it somewhere. You can use program modules/cards to do this. You can copy the program stored in the LOGO! to a program module/card. You can then insert the program module/card in another LOGO! and copy the program to this LOGO! . You can use the program module/card to do the following: Archive programs Duplicate programs Mail programs Write and test programs out of the field at your office and then transfer it to a LOGO! in the switching cabinet. LOGO! is supplied with a hood. You receive the program module/card separately. Note You do not require a module for storing your LOGO! program permanently. The LOGO! program is already stored permanently when programming mode is closed. Below we shall introduce the two modules that you can purchase for your LOGO! . Both of them can accommodate the entire program memory of a LOGO! . Module

Order no.

Yellow module: for copying

6ED1 056–1BA00–0AA0

Red module: with know–how/ copy protection

6ED1 056–4BA00–0AA0


159

LOGO! Program Modules

6.1 Overview of the Modules Yellow program module Programs can be transferred from the yellow module to the device and vice versa. Red program module A program is protected if it is transferred from a red module to the LOGO! . Such a protected program can only run if the red module remains inserted in LOGO! during runtime. A protected program cannot be edited. A program is not protected anymore when the correct is entered. If you create a program for the red module and want to edit it at a later time you must assign it a . Compatibility

... under current versions (0BA3 devices): A module written in one of the basic versions (0BA3 devices) can be read in all other basic versions. ... under previous versions (0BA0 to 0BA2 devices): A module written in a standard version can be read in all the other versions. written in a LOGO! ...L version, can be read in all other LOGO! ...L versions; but not in a standard version. written in a LOGO! ...LB11 version, can be read in all other LOGO! ...LB11 versions; but not in a standard version or in a LOGO! ...L version. ... 0BA3 devices ––> 0BA0 to 0BA2 devices: A module written in one of the basic versions (0BA3 devices) can only be read in 0BA3 devices.

160


LOGO! Program Modules Upward compatibility The new 0BA3 devices upward compatibility. A module written in one of the standard, long or bus versions (0BA0 to 0BA2 devices) can be read in all basic versions (0BA3 devices). Note Re upward compatibility: An adaptation of the program or an upgrade of the LOGO! Basic is required (and sensible) in some cases in order to achieve appropriate results. See the information on “Fast inputs” in Chapter 2.3.2.

6.2 Removing and Inserting Modules When removing a red module (know–how/copy protection), note that: The program stored on this module can only run if the module remains inserted during runtime. If the module is removed the LOGO! reports a ’No program’ error. Removal of the red module during runtime leads to impermissible operate states. Always heed the following warning:

!

Warning Do not put your finger or objects made of metal or any other conductive material in the open slot of the program module/card. The socket for the program module/card may be live if L1 and N have been incorrectly wired. The program module/card must always be replaced by a skilled technician.


161

LOGO! Program Modules Removing the module This how to remove the program module/card:

Carefully insert a screwdriver into the slot at the upper end of the program module/card and ease it out of the slot a little. You can now remove the program module/card: Inserting the program module/card The slot for the program module/card is chamfered at the lower right edge. The program module/card also has a chamfered edge. This prevents you from inserting the program module/card the wrong way around. Insert the program module/card into the slot until it engages.

162



6.3 Copying from the LOGO! to the Module This is how you copy a program to the program module/ card: 1. Insert the program module/card into the slot. 2. Switch the LOGO! to programming mode. In RUN mode: Press ESC and execute the menu item ’Stop’. (see page 45)


LOGO! main menu

3. Move the ’>’ to ”PC/Card”: Press the key 4. Press OK. The transfer menu opens.

>PC Card Card

= LOGO!

5. Move the ’>’ to ’LOGO Card’: Press the key 6. Press OK. LOGO! copies the program to the program module/card. When LOGO! has finished copying, it automatically returns to the main menu:



163

LOGO! Program Modules The program is now also stored on the program module/ card. You can now remove the program module/card: Do not forget to replace the cover . If power is lost while LOGO! is copying the program you must copy it once again when power is returned. Note If the program in the LOGO! is protected with a X, the copied program in the module/card is also protected with the same .

164



6.4 Copying from the Module to LOGO! You have a program module/card containing your program. You can copy the program to LOGO! in two ways : Automatic copying when LOGO! starts up (POWER ON) or via the PC/Card menu in LOGO!. Note Íf the program in the module/Card is protected with the X, the copied program in the LOGO! is also protected with the same . Before you copy a module written in another device type, refer once again to the information on ’Compatibility of LOGO! versions or devices’ in Chapter 6.1. Automatic copying when LOGO! starts up Proceed as follows: 1. Switch off the power supply to the LOGO! (POWER OFF) 2. Remove the slot cover. 3. Insert the program module/card into the appropriate slot. 4. Switch off the power supply to the LOGO! . Result: LOGO! copies the program from the program module/card to LOGO!. When LOGO! has finished copying, it displays the main menu:



165


Note Before you switch the LOGO! to RUN, you must ensure that the system you are controlling with LOGO! does not represent a source of hazard. 1. Move the ’>’ character to Start: 2. Press OK.

per

or

Using the PC/Card menu to copy Read the note about changing the program module/card. This is how you copy a program from the program module/ card to LOGO!: 1. Insert the program module/card 2. Switch the LOGO! to programming mode. In RUN mode: Press ESC execute the menu item ’Stop’. (see page 45)

>Program.. PC/Card.. Clock.. Start 3. Move the ’>’ to ”PC/Card”: Press the key 4. Press OK. The transfer menu opens. 5. Move the ’>’ to ’Card LOGO’: or

PC Card >Card

= LOGO!

6. Press OK. LOGO! copies the program from the program module/card to LOGO!. When LOGO! has finished copying, it automatically returns to the main menu. 166


7 LOGO! Software The program LOGO!Soft Comfort is available as a programming package for the PC. This software includes the following features: Offline program generation for your application Simulation of your circuit (or program) on the computer Generation and printing of a block diagram Saving the program to the hard disk or other storage media Program transfer – from the LOGO! to the PC – From the PC to LOGO! Reading the operating hours counter Setting the TOD Summertime/Wintertime conversion The LOGO! alternative Thus, LOGO!Soft Comfort offers you an alternative to conventional means of planning: 1. First you develop your applications at your desktop. 2. You simulate the application in your computer and test whether or not it functions properly before the circuit is actually put to use. 3. You print out the entire circuit in one or several block diagrams, sorted according to outputs. 4. You archive your circuits in your PC file system. In this way you can retrieve a circuit directly for future changes. 5. You transfer the program to LOGO! at a touch with just a few key operations. Your LOGO! is quickly retooled.


167

LOGO! Software LOGO!Soft Comfort In LOGO!Soft Comfort you can create your circuit programs efficiently and in a comfortable, well arranged way (”wiring per keyboard“). Programs are created on the PC desktop per the drag&drop routine. Once you have created you program, you can have the system evaluate your program in order to determine the required LOGO! version, or you can determine this before you start programming. One particularly –friendly feature is the offline program simulation facility, which enables the simultaneous status display of multiple special functions and permits extensive documentation of the programs created. This optional programming software also offers a comprehensive Online Help on CD ROM. LOGO!Soft Comfort runs under Windows 95/98, Windows NT 4.0, Windows Me, Windows 2000, Linux, and Mac OS X. It is capable of server operation and offers all the freedom and comfort for programming you could expect. LOGO!Soft Comfort V3.0 This is the current version of LOGO!Soft Comfort. As of Version 3.0 you will find all the functions and functionality included in the new devices, exactly in the way they are described in this manual. Upgrade from LOGO!Soft Comfort V1.0 and V2.0 If you own an old version of LOGO!Soft Comfort you can transfer the old program to the new devices, however, you cannot use the new functions in such programs. In such cases you must the current version. You can only install the upgrade on a full version of LOGO!Soft Comfort LOGO!Soft Comfort V1.0 or V2.0. Upgrades & Infos At our Internet URL http://www.ad.siemens.de/logo/html_00/softcomfort.htm, you can the software upgrades and demo versions free of costs.

168


LOGO! Software

7.1 Connecting the LOGO! to a PC Connecting a PC cable To connect the LOGO! to a PC you require the LOGO!-to–PC link. (Order no. 6ED1 057–1AA00–0BA0 ). Remove the cover or the program module/Card of your LOGO! and connect the cable. Connect the other end of the cable to the serial port of your PC. LOGO! to PC – PC LOGO mode There are two ways of communication between the PC and the LOGO!. LOGO! to transfer mode in RUN state or automatically when the LOGO! power supply is switched on, provided the link is plugged in. This is how you switch the LOGO! to the mode PC LOGO: 1. Switch the LOGO! to programming mode: In RUN mode, press ESC and execute the menu item ’Stop’. (see page 152) 2. Select ’PC/Card’: per or 3. Confirm with OK 4. Select ’PC LOGO’: per or 5. Confirm with OK LOGO! is now in PC LOGO and displays:

PC

STOP: Press ESC


= LOGO!

169

LOGO! Software This is how the LOGO! is switched automatically to mode PC LOGO: 1. Switch off the power supply to LOGO! 2. Remove the cover or the program module/card and connect the cable. 3. Switch on power. LOGO! switches automatically to PC LOGO mode. The PC can now communicate with the LOGO! See how this is done directly in the Online Help of LOGO!Soft Comfort. Use the ESC key on the LOGO! if you want to interrupt the PC communication. Note If the program you have created in LOGO!Soft Comfort is protected, the ’PC LOGO’ function transfers the program and the to the LOGO! . The prompt is switched on when the device exits the transfer mode. The of a protected program created in LOGO! is only possible after the correct is entered in LOGO!Soft Comfort.

170


8 Applications We have provided a small collection of applications in this manual to give you an impression of the versatile use of LOGO!. . For these examples we have recorded once again the original solution of the circuit diagram and compared it with the LOGO! solutions. You can find solutions for the following tasks: page Staircase or corridor lighting system . . . . . . . . . . . . . . . 172 Automatic door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176 Ventilation system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183 Industrial gate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188 Central controlling and monitoring of several industrial gates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192 Luminous rows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196 Rainwater pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 Other applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204 Note The LOGO! applications are freely available to all our customers. The examples they contain are not binding and are included to provide general information on the fields of application for LOGO!. Customer–specific solutions may be different. The undertakes to ensure proper operation of the system. We refer to the standards and system–related installation regulations of the respective country. Errors are excepted and the right to make changes reserved. These applications – as well as tips for other applications – are also found at our Internet URL: http://www.ad.siemens.de/logo LOGO! Manual A5E00119092-01

171

Applications

8.1 Staircase or Corridor Lighting 8.1.1 Demands on a Staircase Lighting System The basic requirements for a staircase lighting system are as follows: When someone is using the staircase, the lighting should be switched on. If no–one is in the staircase the lights should be switched off in order to save energy.

8.1.2 Previous Solution The two conventional options for switching the lights: The pulse relay The automatic staircase time switch The wiring for these two lighting systems is identical.

ÎÎÎ ÎÎÎ ÎÎÎ ÎÎÎ Lights

Distribution box

Distribution per Pulse relay

Switches

or automatic staircase lighting switch

Components used Switches Automatic staircase time switch or pulse relay

172


Applications Lighting system with pulse relay Function of a lighting system with pulse relay: Actuate any pushbutton: The lighting is switched on Actuate any of the pushbuttons once again: The lighting is switched off. Disadvantage: One often forgets to switch off the lights. Lighting system with an automatic staircase time switch When an automatic staircase time switch is used, the lighting system behaves as follows: Actuate any pushbutton: The lighting is switched on On expiration of the preset time the lights switch off automatically. Disadvantage: The light cannot be switched on for a longer period of time (e.g. when cleaning the staircase). The switch for continuous lighting is usually installed on the automatic staircase time switch that may be difficult or impossible to access.

8.1.3 Lighting System with LOGO! With the LOGO! you can replace the automatic staircase time switch or the pulse relay. You can also implement both functions (timed off delay and pulse relay) in a single unit. What is more, you can incorporate extra functions without making any alterations to the wiring. Here are some examples: Pulse relay with LOGO! Automatic staircase time switch with LOGO! Multifunctional switch with LOGO! – Switch light on – Switch on continuous lighting – Switch light off


173

Applications Wiring of the lighting system with LOGO! 230 RC

ÏÏ ÏÏ ÏÏ ÏÏ

Lights

N L PE L1 N I1 I2 II3 I3 II4 I1

I5 I3 I6 I7 I8

Switches

Q1

Q2

Q3

Q4

The external wiring of a lighting system with a LOGO! is no different than it is for a conventional staircase and corridor lighting system. Only the automatic staircase time switch/ pulse relay is replaced. Supplementary functions are entered directly in LOGO!. Pulse relay with LOGO!

Switch:I1 x

Q1 Lights

Output Q1 is toggled with a gate pulse at input I1. Automatic staircase time switch with LOGO!

Switch: I1 T 06:00m

Q1 Lights

Output Q1 is switched on for the duration of 6 minutes with a gate pulse at input I1.

174


Applications Multifunctional switch with LOGO!

Switch: I1 TH / TL

Q1 Lights

Output Q1 is switched on for a specified time TH with a gate pulse at input I1. The continuous lighting function is enabled by holding down the pushbutton for a specified time TL.

8.1.4 Special Features and Expansion Options Other options for increasing comfort or saving energy are, for example: A flashing function that indicates that the light is about to be switched off automatically. You can integrate various central functions: – Central off – Central on (panic button) – Control of all lamps or individual circuits via a daylight control switch – Control via integrated timer switch (e.g. continuous lighting only until 24.00 h; disabling at specific times) – Automatic off for the continuous lighting on expiration of a preset time (e.g. after 3 hours)


175

Applications

8.2 Automatic Door You often find automatic door control systems at the entrance to supermarkets, public buildings, banks, hospitals etc.

8.2.1 Demands on an Automatic Door When somebody approaches the door, it must open automatically.

The door must remain open until the doorway is cleared. When the doorway is cleared, the door must close automatically after a short time. Outside

Motion detector B1

ÑÑÑÑÑÌÌÌÌÌ S1

Inside

Limit switch S2 closed

B2 Motion detector

Limit switch open

Q1 Main switch

Motion detector

ÑÑÑÑÌÌÌÌ ÑÑÑÑÌÌÌÌ ÑÑÑÑÌÌÌÌ ÑÑÑÑÌÌÌÌ ÑÑÑÑÌÌÌÌ ÑÑÑÑÌÌÌÌ ÑÑÑÑÌÌÌÌ ÑÑÑÑÌÌÌÌ

Main switch

The door is usually motor–driven and equipped with a slip coupling. This prevents people from being squeezed in and injured. The control system is connected to the mains via a master switch.

176


Applications

8.2.2 Previous Solution Auxiliary circuit L1

S2 K3

S2

K3

B1

B2

S1

K2 K1 N Open

K3

K4

Close

B1 B2

K1 K2

K3

K3

K4

Open door

Waiting time

When someone enters the detection range of the motion sensors B1 or B2, the door is opened via K3. After the detection range of the two motion sensors has been cleared for a minimum period, K4 enables the closing motion.

8.2.3 Door Control System with LOGO! With LOGO! you can simplify this circuit considerably. What is left to do is to connect the motion sensors, limit switches and power ors to the LOGO! .


177

Applications Wiring the door control system with LOGO! 230 RC L1 S1 B1

L1 N

1

Q1

2

K1

I1 I2 I3 I4

1

S2

B2

Q2

2

I5 I6 I7

1

Q3

2

1

I8

Q4

2

K2

N Open

Close

Components used K1 K2 S1 (n.c. ) S2 (n.c. ) B1 (n.o. ) B2 (n.o. )

178

Main or Open Main or Close Limit switch Closed Limit switch Open Infrared motion detector outdoor Infrared motion detector indoor


Applications Door Control System with LOGO! , Block Diagram 1 I1 I2 x

RS

Open

1

I4 x

Q1

I4

&

1

&

Q2

T= 4s

& Q2

I3

1 Close

Q1

This is what the circuit diagram of the conventional solution looks like. You can simplify this circuit if you make use of the LOGO! functions. You can use the off delay to replace the latching relay and the on delay. The block diagram below illustrates this simplification: Motion detector

1 I1 I2 x

&

Q2

Q1 Open

x 10 s

Limit switch I4 Door open

1 & Limit switch Door closed

Q2

I3

Close

1 Q1


179

Applications

8.2.4 Special Features and Expansion Options Options for increasing comfort and friendliness are, for example: You can connect an additional control switch with the positions: Open – Automatic – Closed (O-A-C) You can connect a buzzer to an output of the LOGO! to warn of the closing of the door. You can implement time and direction dependent enable functions for opening of the door (e.g. opening only during business hours; after business hours to be opened only from inside).

8.2.5 Enhanced solutions with LOGO! 230 RC Wiring the LOGO! expansion L1

B1

B2

L1 N

1

Q1

S1

S2

I1 I2 I3 I4

2

K1

1

Q2

K2

2

S3

I5 I6 I7

1

Q3

2

1

O-A-C

I8

Q4

2

H1

N Open

180

Close

Buzzer


Applications Block diagram of the enhanced LOGO! solution Cam1: Day= Mo..Fr On = 09:00 Off =18:00 Cam 2: Day= Sa On = 08:00 Off =13:00

Detecting motion

x x

I1 Motion detector B1

x T= 10 s

Cam1: Day= Mo..Fr On = 09:00 Off =19:00 Cam 2: Day= Sa On = 08:00 Off =14:00

x I2 Motion detector B2

Motor for opening

Close output

Q2

Q1 Open

x Limit switch Door open Control switch Door open

I4 I5

Motor for closing

Limit switch Door closed

I3

Open output Motion detector B1 Motion detector B2

Q1 I1 I2

Control switch Close door


x

Q2 Close

I6

181

Applications Detecting motion During business hours, the motion detector B1 initiates the opening of the door as soon as somebody wants to enter the shop from outside. Motion detector B2 initiates the opening of the door if somebody wants to leave the shop. After closing time, the motion detector B2 continues to be used to open the door for 1 hour to allow the customers to leave the shop. Motor for opening Output Q1 is switched on to open the door when the following occurs: The control switch at 15 is operated (the door is to be constantly open) or The motion detectors indicate that somebody is approaching the door and The door is not yet fully open (limit switch at I4). Motor for closing Output Q2 is switched on to close the door when the following occurs: The control switch at 16 is operated (the door is to be constantly closed) or The motion detectors indicate that there is nobody near the door and The door is not yet fully closed (limit switch at I3). Buzzer Connect the buzzer to output Q3. The buzzer sounds for a short time (in this case 1 second) when the door is closed. Enter the following circuit at Q3 in the block diagram: Q2 Close output x

Q3 Buzzer

T= 1 s

182


Applications

8.3 Air–conditioning System 8.3.1 Demands on an air–conditioning System The air–conditioning system is used for the controlled supply of fresh air to a room and to exhaust the contaminated air in the room. Let us examine following example:

ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ Fresh–air fan

Flow sensor

Flow sensor

Exhaust fan

The room is equipped with an exhaust fan and a fresh–

air fan. Both fans are monitored by a flow sensor. The pressure in the room must not be allowed to rise above the atmospheric pressure. The fresh–air fan must only be switched on if reliable functioning of the exhaust fan is signaled by the flow sensor. A warning lamp indicates if one of the fans fails.


183

Applications The circuit diagram for conventional solutions is as follows: Auxiliary circuit L1 S0 S1

K1

K2

K5

K4

K5

S2 S2 v>

K1 N

S3 v>

K2

K3

K4

Exhaust air

H1

K5

Operation

Fresh air

H2 Error

The fans are monitored by flow sensors. If, after a short delay, no air flow is measured the system is switched off and an error is reported. Acknowledge this by pressing the off pushbutton. Fan monitoring requires an evaluation circuit with several switching devices in addition to the flow sensors. The evaluation circuit can be replaced by a single LOGO! unit. Wiring the air–conditioning system with LOGO! 230 RC L1 S1

S0

S2 v>

L1 N I1 I2 I3 I1 I4

1

N

Q1

K1

2

1

Q2

K2

S3 v>

I3 I5 I6 I7 I8

2 1

Q3

H1

2 1

Q4

2

H2

Exhaust Fresh–air fan fan

184


Applications Components used K1 K2 S0 (n.c. ) S1 (n.o. ) S2 (n.o. ) S3 (n.o. ) H1 H2

Main or Main or STOP pushbutton Start pushbutton Flow sensor Flow sensor Indicator lamp Indicator lamp

Circuit diagram of the LOGO! solution This is what the circuit diagram of the air–conditioning system looks like with a LOGO! : On

I1

Error

Q3 Q1 Exhaust fan

x Off

I2

Exhaust fan

Q1 x

Exhaust fan

Exhaust air flow sensor

Q1


x

I3

Exhaust fan

I3

Q2 Fresh–air fan

x T= 10 s

Q2

x

x Fresh–air flow sensor I4

x T= 10 s Off


I2

Q3 Error

185

Applications

8.3.2 Advantages of Using LOGO! When using the LOGO!, you require less switchgear. That saves you installation time and space in the control cabinet. You might even be able to use a smaller control cabinet. Additional options when using LOGO! The free output (Q4) can be used as a potential–free for signaling a fault or a power failure. It is possible to switch off of the fans via sequential circuit. These functions can be incorporated without additional switchgear. Block diagram of the enhanced LOGO! solution The fans at Q1 and Q2 are switched on and off as shown in the following circuit: On

I1 Fault

Q3 Q1 Exhaust fan

I2 Off

T= 30 s

x


I3 x

x T= 10 s

Q1 exhaust fan Exhaust air flow sensor I3

Q2 Fresh–air fan

x T= 10 s x

Q2 exhaust fan x Fresh–air flow sensor I4

T= 10 s Off

186

I2

Q3 Error


Applications You can also generate a message at output Q4:

Q3 Error

Q4 Message

The relay s of output Q4 are always closed when the system is in operation. Relay Q4 does not drop unless there is a power failure or a fault in the system. This can be used for remote messaging, for example.


187

Applications

8.4 Industrial Gate

ÔÔ ÔÔ ÔÔ ÔÔ ÔÔ ÔÔ ÔÔ ÔÔ

Safety pressure bar

ÔÔ ÔÔ ÔÔ ÔÔ ÔÔ ÔÔ ÔÔ ÔÔ

Warning light

The entrance to a company’s premises is often closed with a gate. The gate is only opened to let vehicles in and out. The gate is controlled by the gateman.

8.4.1 Demands on the Gate Control System The gate is opened and closed by operating a pushbutton in the gatehouse. The gateman can monitor the operation of the gate at the same time. The gate is normally fully opened or closed. However, the gate motion can be interrupted at any time. A flashing light is activated 5 seconds before the gate begins to move and continues for as long as the gate is in motion. A safety pressure bar prevents harm to persons and objects from getting trapped or damaged when the gate closes.

188


Applications

8.4.2 Previous Solution Diverse kinds of control systems are used to operate automatic gates. The gate control circuit diagram shows one option. Auxiliary circuit L1 S0 S1

K1

S2

K3

K1

K3

S2 S1 S5 p> K3

S5 p>

K1

S3

K2

S4

K1 N

K2

K4

K6

K3

K4

Open

K5

H1 Flashing light

Close

K5 K6

Open Close

Wiring the gate controls with LOGO! 230 RC L1 S3

S4 p> S5

S0 Stop

S1

Open S2

Close

L1 N

1

Q1

I1

2

I2

1

I3 I4

Q2

2

I5

1

Q3

2

I6

I7

1

I8

Q4

2

S5 p> N

K1 Open


K3

H1

Close

Flashing light

189

Applications Components used K1 K2 S0 (n.c. ) S1 (n.o. ) S2 (n.o. ) S3 (n.c. ) S4 (n.c. ) S5 (n.c. )

Main or Main or STOP pushbutton Open switch CLOSE pushbutton OPEN position switch CLOSED position switch Safety pressure bar

Block diagram of the LOGO! solution

Q2 Start pushbutton CLOSE I2

Start pushI1 button OPEN STOP pushI3 button Gate is open I4 x

T= 5s

Q1 Open

x T= 2s CLOSE pushbutton

Q1

Q3 Flashing light

x CLOSE pushbutton

I2

OPEN pushbutton

I1

T= 5s

Q2 Close

x STOP pushbutton Safety bar

I3 I6

Gate is closed

I5

The OPEN or CLOSE start switches initiate the gate’s motion in the appropriate direction provided it is not already moving in the other direction. The gate’s motion is halted via the STOP pushbutton or the relevant limit switch. Closing of the gate is also interrupted by the safety bar.

190


Applications

8.4.3 Wiring the LOGO! solution In our enhanced solution the gate will automatically open again when the safety bar is operated. Safety bar I6 x

Q2

STOP pushbutton Gate is open

x

x I3

Q1 Open

I4

T= 5s

Q2 x OPEN pushbutton I1

T= 2s

Q1

Q3 Flashing light

x CLOSE pushbutton

I2

STOP pushbutton

I3

Safety bar

I6

Gate is closed

I5


T= 5s

Q2 Close

191

Applications

8.5 Centralized Control and Monitoring of Several Industrial Gates 1

1

1

1 Safety pressure bar 2 flashing warning light

Ô Ô Ô Ô Ô Ô Ô Ô Ô Ô

2

–+

FM ASi

2

–+

Master

Ô Ô Ô Ô Ô Ô Ô Ô Ô Ô

FM ASi

2

–+

FM ASi

Often, a company’s premises can be entered at several locations. Not all of the gates can always be monitored locally by personnel. They must therefore be able to be monitored and operated by the gateman who sits in a central gatehouse. It must also be possible for a member of staff to open and close the gate locally. For every gate we implement one LOGO! 230 RC and one AS interface function module. The bus interconnects the modules and the master. In this chapter, we will describe a gate control system. The structure of the other gate control systems is identical.

192


Applications

8.5.1 Demands on the Gate Control System Every gate is opened and closed by means of a cord–

operated switch. The gate is here fully opened or closed. Every gate can also be opened and closed per local pushbutton. The gate can be opened and closed via the bus link to the gatehouse. The GATE OPEN or GATE CLOSED status is indicated. A flashing light is activated 5 seconds before the gate begins to move and continues for as long as the gate is in motion. A safety pressure bar prevents harm to persons and objects from getting trapped or damaged when the gate closes.

Wiring the gate controls with LOGO! 230 RC and FM ASi L1 p> S0

L1

N

S1

I1

S2 S3

I2

I3

S4

I4

S5

I5

S6

I6

I7

I8

–

+

AS interface

FM ASi

1

2

1

Q1

2 Q2

1

2 Q3

1

2 Q4

p> S6

K1

K2

N Gate


Gate

Flashing

193

Applications Components used K1 K2 S0 (n.o. ) S1 (n.o. ) S2 (n.o. ) S3 (n.o. ) S4 (n.c. ) S5 (n.c. ) S6 (n.c. )

Main or for opening Main or for closing Cord–operated switch OPEN Cord–operated switch CLOSE Open switch CLOSE pushbutton OPEN GATE position switch CLOSE GATE position switch Safety pressure bar

Higher–level control system Q5 OPEN GATE position switch Q6 CLOSE GATE position switch I9 External OPEN GATE pushbutton I10 External CLOSE GATE pushbutton

194


Applications Block diagram of the LOGO! solution I5 I1 I9

Gate is open

&

1

Gate open Gate open

1

x

Q1 x

x

I5

Gate is open

I3 I5

Open gate by hand Gate is open

T 05.00s

Gate open

& x

I4 I6 I7 I6

1

&

=1

Q2 T 05.00s

Gate is closed

Gate closed

&

I2Closed 1 I10 x I7 Safety bar Gate is closed Safety bar x

I5

x

x

Closed

I6 I7

&

Close gate by hand Gate is closed Safety bar

Gate is open

1

&

Q3 x

T 02.00s

Flashing light Q5 Open Closed

I6

Gate is closed

Q6

The OPEN GATE and CLOSE GATE start pushbuttons move the gate in the appropriate direction provided it is not already moving in the other direction. The gate motion ends at the respective limit switch. Closing of the gate is also interrupted by the safety bar.


195

Applications

8.6 Luminous rows

ÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉ É ÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉ É ÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉ ÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ Luminous rows 1

Luminous rows 2

Luminous rows 3

Luminous rows 4

Office

Corridor

When planning lighting systems for commercial locations, the type and number of lamps used is determined by the illuminance required. For reasons of cost efficiency, fluorescent tubes arranged in luminous rows are often used. They are divided into separate switching circuits, according to the way the room is used.

8.6.1 Demands on the Lighting System These separate luminous rows are switched on and off locally. If there is sufficient daylight, the rows on the window side of the room are automatically switched off via daylight control switch. The lights are switched off automatically at 20.00. It must be possible at all times to switch the lights on and off locally.

196


Applications

8.6.2 Previous Solution L1

lx> B1

E1

K1

K1

K2

S1

S2

K3

K4

K2

S3

S4

K3

K4

K5

K6

K5

K6

E2

E3

E4

E5

E1

K2

N

The lamps are switched on and off with a pulse relay that is controlled per pushbuttons at the door. Regardless of this, they are reset by the time switch or by the daylight control switch via the central off input. The length of the off commands must be reduced per wiping relays in order to make it possible to switch the lights on and off locally after they have been switched off. Components required: Switches S1 to S4 Daylight control switch B1 Timer switch E1 Wiping relays K1 and K2 Pulse switches with central off K3 to K6 Disadvantages of the previous solution A substantial amount of switchgear is required in order to implement these functions. Due to the high proportion of mechanical components, high wear and tear and maintenance expenditure is to be expected. Changing the function demands considerable efforts.


197

Applications

8.6.3 Luminous row control with LOGO! 230 RC L1

S1

S2

S3

lx<

S4

B1

L1 N I1

1

Q1

2

E2

I2

1

I3

Q2

I1 I4

2

E3

I3 I5

1

Q3

I6

2

E4

I7

1

I8

Q4

2

E5

N Luminous row 1

Luminous row 2

Luminous row 3

Components used S1 to S4 (n.o. ) B1 (n.o. )

198

Luminous row 4

Switches Daylight control switch


Applications Block diagram of the LOGO! solution Off pulse generated via timer switch Mo..Su 20:00 – 20.01 Mo..Su 21:00 – 21.01

T= 1s

I3

Luminous row 3 Corridor side Q3

I4

Luminous row 4 Corridor side Q4

I1

Luminous row 1 Window side Q1

I2

Luminous row 2 Window side Q2

x

Off pulse generated via daylight control switch Daylight control switch I5 T= 1s

x I5

x

x

Advantages of the LOGO! solution You can connect the lamps directly to the LOGO!, provided the power consumption of the individual outputs does not exceed its switching capacity. If higher loads must be switched you should use a power or. Connect the daylight control switch directly to an input of the LOGO! . You do not need an external timer switch, because this function is integrated in the LOGO! . Due to the reduced amount of switchgear, you can install a smaller and space–saving subsidiary distribution cabinet. Fewer devices are required The lighting system can be easily modified. Additional switching times can be set as required (sequential circuit for the off pulses at the end of the day). The function of the daylight control switch can easily be applied to all lamps or modified group of lamps.


199

Applications

8.7 Service water pump The use of rainwater as an addition to the drinking water supply is gaining importance in the domestic housing area. This saves money and helps protect the environment. For example, rainwater can be used for: Washing clothes Irrigation system for gardens Watering indoor plants Car wash Toilet flushing installations The sketch below illustrates how such a rainwater utilization system is operated: Rainwater supply line

K4

Drinking water supply line

ÎÎÎ ÎÎÎ ÎÎÎ ÕÕÕ ÎÎÎ ÕÕÕ ŠŠÕÕÕ ŠŠ

Pressure switch S1

Control in the distribution box

Pump M1 Rainwater reservoir S2 S3 S4

Pressure tank Service water connection

Drinking water supply Off Drinking water supply On Dry–run protection Off Dry–run protection On

The rainwater is collected in a reservoir. From the reservoir a pumping station supplies a respective line system. From there it can be tapped in the same way as normal drinking water. If the reservoir should run dry it can be topped up with drinking water.

200


Applications

8.7.1 Demands on the control system of a service water pump The system must be capable of supplying service water at all times. In case of emergency, the control system must automatically switch over to drinking water supply. When switching over to the drinking water supply an ingress of rainwater into the mains system must be prevented. The service water pump must not be switched on if rainwater is low in the reservoir (dry–run protection).

8.7.2 Previous Solution Auxiliary circuit L1

K3

S3

S1 p<

K2

K1 N Pump

K2

S4

S2

K3

K3

Tracking time Dry–run protection

S3

K4

K4

Y1

Pure water supply line

The pump and a solenoid valve are controlled by means of a pressure switch and 3 float switches installed in the rainwater reservoir. The pump must be switched on when the pressure level in the cylinder drops below minimum. Once the operating pressure has been reached, the pump is switched off again after a tracking time of a few seconds. The tracking time prevents an oscillation of the water pump if water is drawn off over any length of time.


201

Applications

8.7.3 Service water pump with LOGO! 230 RC L1 S1 p<

L1 N

S3

S2

I1

I2

I3

1 Q1 2

1 Q2 2

K1

Y1

I4

S4

I5

1 Q3 2

I6

I7

I8

1 Q4 2

N Pump

Drinking water supply line

Apart from the LOGO!, all you need is a pressure switch and the float switches to control the pump. If you are using a 3–phase AC motor, you must use a power or for switching the pump. For single–phase AC pump systems you must provide a or if the current consumption of the AC motor exceeds the capacity of the output relay Q1. The power of a solenoid valve is low enough to allow direct controlling. K1 Main or Y1 Solenoid valve S1 (n.o. ) Pressure switch S2 (n.o. ) Float switch S3 (n.c. ) Float switch S4 (n.c. ) Float switch

202


Applications Circuit diagram of the LOGO! solution Pressure switch

I1 x T = 20 s

x

Pump Q1

Float switch for dry– I3 run protection Off

Float switch for dry– I4 run protection On Float switch for drinI3 king water supply Off Float switch for drinking water supply Off

Drinking water supply line Q2 I2

8.7.4 Special Features and Expansion Options The circuit diagram shows how you can wire the pump controls and the solenoid valve. The layout corresponds to that of the circuit diagram. You also have the option to integrate further functions for specific applications that could otherwise only be realized in conventional technology under additional expenditure of switchgear, e.g.: Enabling the pump at specific times Indication of imminent or existing shortage of water Reporting of system faults


203

Applications

8.8

Further Application options Apart from the shown samples, we have also published a collection of applications on the web (www.ad.siemens.de/ logo/html_00/application.htm). There you can find amongst other things: Irrigation system for greenhouse plants Controlling of conveyor systems Controlling of a bending machine Shop window lighting Bell system (e.g. in a school) Parking lot surveillance Outdoor lighting Control system for shutters Domestic outdoor and indoor lighting Control system for a cream stirrer Sports hall lighting Constant load on 3 consumers Sequential control system for cable–welding machines for large cross–sections Step switch (e.g. for fans) Sequential control for a boiler Control system for several pump sets with centralized operation Cutting device (e.g. for detonating fuses) Monitoring periods of utilization, e.g. of a solar energy system Intelligent foot switches, e.g. for speed preselection) Controlling an elevating platform Impregnation of textiles; controlling the heating and conveyor belts Silo–filling system And lots more.

204


Applications On the Web you can also find descriptions and the corresponding circuit diagrams of the applications. You can read these *.pdf files with the Adobe AcrobatReader. And if you have installed the LOGO!Soft or LOGO!Soft Comfort programming software on your PC, you can simply the relevant circuit diagrams at the touch of a button, adapt them to your requirements, transfer them into LOGO! via the PC cable and start to use them . Advantages of using LOGO! The use of LOGO! is highly beneficial, especially in areas in which you can use the LOGO! to replace multiple auxiliary switchgear with the integrated functions, where you want to economize wiring and installation efforts – because LOGO! keeps the wiring ”in its head”. where you want to reduce component space in the control cabinet/distribution – you might even be able to reduce the size of your control cabinet/distribution box. in which you can add or change functions subsequently, without having to install an additional switchgear or change the wiring. where you want to offer your customers additional functions for domestic and commercial housing installation. Examples: – Domestic security systems: With LOGO! to switch a lamp on regularly or open and close your shutters while you are on holiday. – Central heating: With LOGO! run the circulation pump only when you actually require water or heating. – Refrigerating systems: With LOGO! defrost your refrigerating systems at regular intervals; this is more lenient on energy costs. – you can illuminate aquaria and terraria on a time–dependent basis.


205

Applications Last not least you can: Use commonly available switches and pushbuttons, which makes it easy to install a domestic system. LOGO! directly to your house installation; the integrated power supply makes it possible. Do you want more Info? You can find more info relating to the topic LOGO! on our Internet site: http://www.ad.siemens.de/logo. Do you have any suggestions? There are definitely many more useful applications for the LOGO! . If you know of one, why not write to us? We will collect all the suggestions made and distribute as many of them as we can. It does not matter how unusual or simple your LOGO! might be. Just write to us. We shall be delighted to receive all your suggestions. Write to: Siemens AG A&D AS MVM – LOGO! PO–Box 48 48 D–90327 Nuremberg

206


A Technical Data A.1 General Technical Data Criterion

Complies with

Values

LOGO!Basic: Dimensions (WxHxD)

72 x 90 x 55 mm

Weight

Approx. 190 g

Installation

on a 35 mm profile rail 4 module widths or wall mounting

LOGO! Expansion module: Dimensions (WxHxD)

36 x 90 x 55 mm

Weight

Approx. 90 g

Installation

on a 35 mm profile rail 4 module widths or wall mounting

Climatic environmental conditions Ambient temperature Horizontal installation Vertical installation

Cold: IEC 60068-2-1 Heat: IEC 60068-2-2

IEC 60068-2-30

Air pressure Pollutants

0 ... 55 °C – 40 °C ... +70 °C

Storage/transport Relative humidity

0 ... 55 °C C

From 10 to 85 % no condensation 795 ... 1080 hPa

IEC 60068-2-42

SO2 10 cm3 /m3, 4 days

IEC 60068-2-43

H2S 1 cm3 /m3, 4 days

Mechanical environmental conditions Type of protection Vibrations:

IP20 IEC 60068-2-6

5 ... 9 Hz (constant amplitude 3.5 mm) 9 ... 150 Hz (constant acceleration 1 g)


207

Technical Data Criterion

Complies with

Values

Shock

IEC 60068-2-27

Drop

IEC 60068-2-31

18 shocks (Half–sine wave 15g/11 ms) Drop height 50 mm

Free fall (packaged)

IEC 60068-2-32

1m

Electromagnetic compatibility (EMC) Interference emission

EN 55011

Limit class B group 1 Limit class for ASi operation

Electrostatic discharge

IEC 61000-4-2

8 kV air discharge

Severity 3

6 kV discharge

Electromagnetic fields

IEC 61000-4-3

Field strength 10 V/m

HF conductance on cables and cable shields according

IEC 61000-4-6

10 V

Burst pulses

IEC 61000-4-4

2 kV (supply and signal lines)

Severity 3 Energy carriers

IEC 61000-4-5

Single pulse (surge)

Severity 2

0.5 kV (power lines) symmetrical 1 kV (power lines) asymmetrical

(applies only to LOGO! 230 ... Information on IEC – / VDE – safety Measurement of clearance and creepage distance

IEC 60664, Fulfilled IEC 61131-2, EN 50178 UL 508, CSA C22.2 No.142 With LOGO! 230 R/RC also VDE 0631

Insulation strength

IEC 61131-2

208

Fulfilled


Technical Data

A.2 Technical Data: LOGO! 230... and LOGO! DM8 230R LOGO! 230 RC LOGO! 230 RCo

LOGO! DM8 230R

Input voltage

115/240 V AC/DC

115/240 V AC/DC

Permissible range

85 ... 253 V AC 85 ... 253 V DC

85 ... 253 V AC 85 ... 253 V DC

Permissible mains frequency

47 ... 63 Hz

47 ... 63 Hz

115 V AC

10 ... 30 mA

10 ... 30 mA

240 V AC

10 ... 20 mA

10 ... 20 mA

115 VDC

5 ... 15 mA

5 ... 15 mA

240 V DC

5 ... 10 mA

5 ... 10 mA

Power supply

Power consumption

Voltage failure buffering

115 V AC/DC 240 V AC/DC

typ typ. y 10 ms

typ typ. y 10 ms

typ. 20 ms typ

typ. 20 ms typ

115 V AC

1.1 ... 3.5 W

1.1 ... 3.5 W

240 V AC

2.4 ... 4.8 W

2.4 ... 4.8 W

115V DC

0.5 ... 1.8 W

0.5 ... 1.8 W

240 V DC

1.2 ... 2.4 W

1.2 ... 2.4 W

Power loss at

Buffering the clock at 25 C

typ. 80h

Accuracy of the real–time clock

max. 5 s / Tag

Digital inputs Number

8

4

Electrical isolation

No

No


209

Technical Data LOGO! 230 RC LOGO! 230 RCo

LOGO! DM8 230R

Signal 0

< 40 V AC

< 40 V AC

Signal 1

> 79 V AC

> 79 V AC

Signal 0

< 30 V AC

< 30 V AC

Signal 1

> 79 V AC

> 79 V AC

< 0.03 mA

< 0.03 mA

>0 0.08 08 mA

>0 0.08 08 mA

0 to 1 1 to 0

typ. y 50 ms

typ. y 50 ms

typ. 50 ms

typ. 50 ms

Line length (unshielded)

100 m

100 m

Number

4

4

Output type

Relay outputs

Relay outputs


Yes

Yes

In groups of

1

1

Activation of digital input

Yes

Yes

Continuous current Ith

max. 10 A per relay

max. 10 A per relay and max. 20 A across all 4 relays

230/240 V

1000 W

1000 W

115/120 V

500 W

500 W

Fluorescent tubes with choke (25,000 switching cycles)

10 x 58 W (at 230/240 V AC)

10 x 58 W (at 230/240 V AC)

Input voltage L1

Input current at

Signal 0 Signal 1 Delay time at

Digital outputs

Incandescent lamp load (25,000 switching cycles) at

210


Technical Data LOGO! 230 RC LOGO! 230 RCo

LOGO! DM8 230R

Fluorescent tubes, conventionally compensated (25,000 switching cycles)

1 x 58 W (at 230/240 V AC)

1 x 58 W (at 230/240 V AC)

Fluorescent tubes, uncompensated (25,000 switching cycles)

10 x 58 W (at 230/240 V AC)

10 x 58 W (at 230/240 V AC)

Short circuit–proof cos 1

Power protection B16 600A


Short–circuit proof cos 0.5 to 0.7



Derating

none; across the total temperature range


Parallel switching of outputs to increase power

Not permitted

Not permitted

Protection of output relay (if desired)

max. 16 A, characteristic B16


Mechanical

10 Hz

10 Hz

Ohmic load/lamp load

2 Hz

2 Hz

Inductive load

0.5 Hz

0.5 Hz

Switching rate


211

Technical Data

A.3 Technical Data: LOGO! 24... and LOGO! DM8 24 LOGO! LOGO! 24 DM8 24

LOGO! 24 RC (AC) LOGO! 24 RCo (AC)

Input voltage

24 V DC

24 V AC

Permissible range

20.4 ... 28.8 V DC

20.4 ... 26.4 V AC

Reverse polarity protection

Yes

Power supply

Permissible mains frequency Power consumption from 24 V DC

47 ... 63 Hz LOGO! 24 10 ... 25 mA

120 ... 20 mA

LOGO! DM8 24 30 ... 45 mA 0.3 A per output Voltage failure buffering Power loss at 24 V

typ. 5 ms LOGO!24 0,2 ... 0,6 W

0.5 ... 2.9 W (AC)

LOGO! DM8 24 0.8 ... 1.1 W Buffering the clock at 25 C

typ. 80h

Accuracy of the real–time clock

max. 5 s / Tag

Digital inputs Number

LOGO! 24: 8 LOGO! DM8 24: 4

8


No

No

Input voltage

L+

L

Signal g 0 Signal 1

< 5 V DC

< 5 V AC

> 8 V DC

> 12 V AC

212


Technical Data LOGO! LOGO! 24 DM8 24


Signal 0

< 1.0 mA (I1...I6) < 0.05 mA (I7, ( , I8))

< 1.0 mA

Signal 1

> 1.5 mA (I1... I6) > 0.1 mA (I7, I8)

> 2.5 mA

typ. 1.5 ms (I1...I4)

typ. 1.5 ms

Input current at

Delay time at

0 to 1

<1.0 ms (I5, I6) y 300 ms (I7,I8) ( ) typ.

1 to 0

typ. 1.5 ms (I1...I4)

typ. 15 ms

<1.0 ms (I5, I6) typ. 300 ms (I7,I8) Line length (unshielded)

100 m

100 m

Anaputs Number

only LOGO! 24: 2 (I7 and I8)

Range

0 ... 10 V DC

max. Input voltage

28,8 V DC

Digital outputs Number

4

4

Output type

Transistor, current–sourcing

Relay outputs


No

Yes

In groups of

1


Yes

Output voltage

Supply voltage

Output current

max. 0.3 A

Continuous current Ith


Yes

max. 10 A

213

Technical Data LOGO! LOGO! 24 DM8 24



1000 W


10 x 58 W


1 x 58 W


10 x 58 W

Short circuit–proof and overload–proof

Yes

Short–circuit current limitation

Approx. 1 A

Derating








Not permitted


Not permitted max. 16 A, characteristic B16

Switching rate Mechanical

10 Hz

Electrical

10 Hz


10 Hz

2 Hz

Inductive load

0.5 Hz

0.5 Hz

214


Technical Data

A.4 Technical Data: LOGO! 12/24... and LOGO! DM8 12/24R LOGO! LOGO! 12/24 RC LOGO!

LOGO! DM8 12/24R

Input voltage

12/24 V DC

12/24 V DC

Permissible range

10.8 ... 15.6 V DC 20.4 ... 28.8 V DC

10.8 ... 15.6 V DC 20.4 ... 28.8 V DC


Yes

Yes

10 ... 100 mA

30 ... 100 mA

10 ... 75 mA

30 ... 75 mA

typ. 2 ms

typ. 2 ms

typ. 5 ms

typ. 5 ms

0.1 ... 1.2 W

0.4 ... 1.2 W

0.2 ... 1.8 W

0.8 ... 1.8 W

Power supply

Power consumption

12 V DC 24 V DC Voltage failure buffering

12 V DC 24 V DC Power loss

12 V DC 24 V DC

Buffering of the clock at 25 C typ. 80h Accuracy of the real–time clock

max. 5 s / day


No

No

Number

8

4


No

No

< 5 V DC

< 5 V DC

> 8 V DC

> 8 V DC

Digital inputs

Input voltage L+

Signal g 0 Signal 1


215

Technical Data LOGO! LOGO! 12/24 RC LOGO!

LOGO! DM8 12/24R

Signal 0

< 1.0 mA (I1...I6) < 0.05 mA (I7, I8)

< 1.0 mA

Signal Si l1

> 1.5 1 5 mA A (I1... (I1 I6) > 0.1 mA (I7, I8)

> 1.5 mA

typ. 1.5 ms

typ. 1.5 ms

Input current at

Delay time at

0 to 1

<1.0 ms (I5, I6) y 300 ms (I7,I8) ( ) typ.

1 to 0

typ. 1.5 ms

typ. 1.5 ms

<1.0 ms (I5, I6) typ. 300 ms (I7,I8) Line length (unshielded)

100 m

100 m

Anaputs Number

2 (I7, I8)

Range

0 ... 10 V DC

max. Input voltage

28,8 V DC

Digital outputs Number

4

4

Output type

Relay outputs

Relay outputs


Yes

Yes

In groups of

1

1


Yes

Yes

max. 10 A per relay

max. 10 A per relay and max. 20 A across all 4 relays

Output voltage Output current Continuous current Ith (per terminal)

216


Technical Data LOGO! LOGO! 12/24 RC LOGO!

LOGO! DM8 12/24R


1000 W

1000 W


10 x 58 W

10 x 58 W


1 x 58 W

1 x 58 W


10 x 58 W

10 x 58 W

Derating










Not permitted

Not permitted




10 Hz

10 Hz


2 Hz

2 Hz

Inductive load

0.5 Hz

0.5 Hz

Short circuit–proof and overload–proof Short–circuit current limitation

Switching rate Mechanical Electrical


217

Technical Data

A.5 Technical Data: LOGO! AM 2 LOGO! AM 2 Power supply Input voltage

12/24 V DC

Permissible range

10.8 ... 15.6 V DC 20.4 ... 28.8 V DC

Power consumption

25 ... 50 mA


typ. 5 ms

Power loss at

12 V 24 V

0.3 ... 0.6 W


No


Yes

Ground terminal

for connecting ground and shielding of the analog measuring line.

0.6 ... 1.2 W

Anaputs Number

2

Type

Unipolar

Input range

0–10 V or 0–20 mA

Resolution

10 bit, standardized to 0–1000

Cycle time for analog value generation

50 ms


No

Line length (shielded and twisted)

10m

Encoder supply voltage

none

Error limit

+/– 1.5 %

Interference frequency suppres- 55 Hz sion

218


Technical Data Switching capacity and service life of the relay outputs Ohmic load Switching cycles/million 12/24 V AC/DC 115/120 V AC 230/240 V AC

0.5 0.4

Maximum 10 A Maximum 10 A Maximum 10 A

0.3 0.2 0.1

2

4

6

8

10

Switched current/A

Figure A Switching capacity and service life of the s at ohmic load (heating)

Inductive load Switching cycles/million 12/24 V AC/DC 115/120 V AC 230/240 V AC

1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 1

2

Maximum 2 A Maximum 3 A Maximum 3 A

3 Switched current/A

Figure B Switching capacity and service life of the s at highly inductive load to IEC 947-5-1 DC 13/AC 15 (ors, solenoid coils, motors) LOGO! Manual A5E00119092-01

219

Technical Data

A.6 Technical Data: LOGO!Power 12 V LOGO! Power 12 V is a switched–mode primary power supply unit for LOGO! devices. Two current intensities are available. LOGO! Power 12 V / 1.9 A

LOGO! Power 12 V / 4.5 A

Input data Input voltage

120 ... 230 V AC

Permissible range

85 ... 264 V AC


47 ... 63 Hz


> 40 ms (at 187 V AC)

Input current

0.3 ... 0.18 A

0.73 ... 0.43 A

Make current (25°C)

15 A

30 A

Device protection

Internal

Recommended circuit > 6 A characteristic D breaker (IEC 898) in mains in- > 10 A characteristic C feed Output data Output voltage

12 V DC

Overall tolerance

+/- 3 %

Adjustment range

11.1 ... 12.9 V DC

Residual ripple

< 200 mVpp

Output current Overcurrent limiting

1.9 A

4.5 A

2.4 A

4.5 A

Efficiency

80 %

Parallel switching to increase power

Yes

Electromagnetic compatibility Interference suppression

EN 50081–1, EN 55022 Class B

Interference immunity

EN 50082-2

220


Technical Data LOGO! Power 12 V / 1.9 A


Safety Electrical isolation, primary/ secondary

Yes, SELV (to EN 60950/VDE 0805)

Safety class

II (to IEC 536/VDE 0106 T1)

Type of protection

IP 20 (to EN 60529/VDE 470 T1)

CE marking

Yes

UL/CSA certification

Yes; UL 508 / CSA 22.2

FM approval

In preparation

General details Ambient temperature range

–20 ... +55°C, natural convection

Storage and transport temperature

- 40 ... +70°C

Connections on input

respectively on terminal (1 x. 2.5 mm2 o. 2 x 1.5 mm2 ), each for L1 and N

Connections on output

Two terminals (1x.2.5 mm2 o. 2x 1.5 mm2 ), each for L+ and M

Installation

On 35 mm DIN rail, snap–on

Dimensions in mm (WxHxD)

72 x 80 x 55

126 x 90 x 55

Approx. weight

0.2 kg

0.4 kg


221

Technical Data

A.7 Technical Data: LOGO!Power 24 V LOGO! Power 24 V is a switched–mode primary power supply unit for LOGO! devices. Two current intensities are available. LOGO! Power 24 V / 1,3 A


Input data Input voltage

120 ... 230 V AC

Permissible range

85 ... 264 V AC


47 ... 63 Hz


40 ms (at 187 V AC)

Input current

0.48 ... 0.3 A

0.85 ... 0.5 A

Make current (25°C)

< 15 A

< 30 A

Device protection

Internal

Recommended circuit > 6 A characteristic D breaker (IEC 898) in mains in- > 10 A characteristic C feed Output data Output voltage

24 V DC

Overall tolerance

+/- 3 %

Adjustment range

22.2 ... 25.8 V DC

Residual ripple

< 250 mVpp

Output current Overcurrent limiting

1.3 A

2.5 A

1.6 A

2.8 A

Efficiency

> 80 %

Parallel switching to increase power

Yes

Electromagnetic compatibility Interference suppression

EN 50081–1, EN 55022 Class B

Interference immunity

EN 50082-2

222


Technical Data LOGO! Power 24 V / 1,3 A


Safety Electrical isolation, primary/ secondary

Yes, SELV (to EN 60950/VDE 0805)

Safety class

II (to IEC 536/VDE 0106 T1)

Type of protection

IP 20 (to EN 60529/VDE 470 T1)

CE marking

Yes

UL/CSA certification

Yes; UL 508 / CSA 22.2

FM approval

yes; Class I, Div. 2, T4

General details Ambient temperature range

–20 ... +55°C, natural convection

Storage and transport temperature

- 40 ... +70°C

Connections on input

respectively one terminal (1 x. 2.5 mm2 o. 2 x 1.5 mm2 ), each for L1 and N

Connections on output

two terminals (1x.2.5 mm2 o. 2x 1.5 mm2 ), each for L+ and M

Installation

On 35 mm DIN rail, snap–on

Dimensions in mm (WxHxD)

72 x 80 x 55

126 x 90 x 55

Approx. weight

0.2 kg

0.4 kg


223

Technical Data

A.8 Technical Data: LOGO! 24/230 LOGO! 24 and LOGO! 230 are switching modules for direct switching of ohmic loads up to 20 A and motors up to 4 kW (without noise emission, hum–free).

Operating voltage

LOGO! 24

LOGO! 230

24 V DC

230 V AC; 50/60 Hz

Switching capacity Utilization category AC-1: Switching of ohmic loads at 55°C Operating current at 400 V

20 A

Output of three–phase loads at 400 V

13 kW

Utilization category AC-2, AC-3: Motor with slip ring induction/cage armature Operating current at 400 V

8.4 A

Output of three–phase loads at 400 V

4 kW

Short–circuit protection: Assignment type 1

25 A

Assignment type 2

10 A

Connecting leads

Finely stranded with wire end ferrules single–core 2x (0.75 to 2.5) mm2 2x (1 to 2.5) mm2 1 x 4 mm2

Dimensions (WxHxD)

36 x 72 x 55

Ambient temperature

-25 ... +55°C

Storage temperature

-50 ... +80°C

224


B Determining the Cycle Time The program cycle is the complete execution of the program, that is, primarily the reading in of the inputs, the processing of the program and the subsequent reading out of the outputs. The cycle time is the time required to execute a program once in full. The time required for a program cycle can be determined using a short test program. This test program is generated in LOGO!. In parameter assignment mode it outputs a value used to calculate the actual cycle time. Test program 1. Start to create the test program by linking an output or memory bit to a threshold switch. At the input of the switch you can then connect a clock generator that is switched on with a hi signal. B02 B01 Hi

Output Q

T Par

Qx

or Memory bit M

2. Configure the two blocks as shown below. Due to the pulse rate of a 0 seconds a pulse is generated in every program cycle. The time interval of the threshold switch is set to 2 seconds.

B02:T T =00.00s+


B01:Par SW=1000+ SW=0000 G_T=02.00s

225

Determine the cycle time 3. Then start the program and switch the LOGO! to parameter assignment mode. You can view the parameters of the threshold switch in this parameter assignment mode.

B01:Par SW=1000+ SW=0000 fa =0086

fa= is the sum of the pulses measured per time unit G_T

4. The reciprocal value of Fe is equal to the cycle time of the LOGO! with the program currently in its memory. 1/Fe = cycle time in s Explanation The output signal of the clock pulse generator (T=0) is toggled at every program cycle. Thus, one logic level (high or low) width is exactly equivalent to the length of one cycle. Hence, a period lasts 2 cycles. The threshold switch indicates the ratio of periods per 2 seconds which results in the ratio of cycles per second. Edge change of the clock generator art every program cycle

Cycle time 1 period = 1 pulse = 2 cycles Periods

226


C LOGO! without display The LOGO! version without display is intended for use in specific applications not requiring operating elements such as a keyboard or a display 12/24 RCo, LOGO! 24 RCo and LOGO! 230 RCo. For example, this is what a LOGO! 230 RCo looks like: L1 N I1 I2 I3 I4

I5 I6 I7 I8

RUN/STOP

1

Q1

2

1

Q2

2

1

Q3

2

1

Q4

2

Less is definitely more! Your benefits: Improved economies without the operating element. Requires less switch cabinet space than conventional hardware. Substantial benefits with regard to flexibility and prime costs compared to stand–alone electronic switchgear. Of advantage even for applications in which merely two or three conventional switching devices can be replaced. Very easy to use. Cannot be used by unauthorized persons. Compatible with LOGO! basic variants. Offers the option to read data via LOGO!Soft Comfort,


227

LOGO! Without display Programming without an operating element You can program the LOGO! without display in two ways: On the PC, create a program with LOGO!Soft Comfort and transfer it to the LOGO! Use a LOGO! program module/card and transfer the program contained in this device to the LOGO! Without display Operating characteristics The LOGO! is ready for operation when power is switched on. Switching off a LOGO! without display is equivalent to disconnecting the power supply, e.g. as if you remove the plug. LOGO! RCo versions cannot be prepared for data transfer per keyboard and the programs cannot be started or stopped per pushbutton. This is why the startup behavior of LOGO! RCo versions has been slightly modified: Startup characteristics The program in a module/card that is plugged into the LOGO! is copied immediately to the LOGO! after power is switched on. An existing program is overwritten. If a PC cable is connected the LOGO! switches automatically to PC LOGO mode at startup. The PC software LOGO!Soft Comfort can be used to read the program of the LOGO! or to save them to the LOGO!, After power is switched on, the LOGO! automatically switches from STOP to RUN if a valid program exists in memory.

228


LOGO! Without display Operating Status Indicator Operating states, e.g. Power On, RUN and STOP are indicated by an LED on the front hood. Red LED: Power On/STOP Green LED: Power On/RUN The red LED is lit after Power On and in all LOGO! states other than RUN. The green LED is lit when LOGO! is in RUN mode. Reading the operating hours counter in STOP mode Prerequisites: The PC link must be plugged in prior to Power On. In LOGO!Soft Comfort as of V 3.0 (refer to Chapter 7) you can read the MN and OT values of the hours counter. The hours counter values can be fetched without having to enter a . If your LOGO! without display is equipped with a red module you cannot fetch the values of the hours counter, because when you remove the module (in order to connect the PC link) you delete the program in the LOGO!. .


229

LOGO! Without display

230


D LOGO! Menu structure Main menu >Program..

Programming menu >Edit Prg

? AA

Q1

Q1

>Prg Name

ABC

>Clear Prg

Clear Prg >No Yes

>

Old: No New:

Transfer menu >PC/Card..

>PC<->

PC<-> Stop? Press ESC

>

->Card

The program is transferred. >Card->

If no module/card is inserted LOGO! returns to the main menu.


231

LOGO! Menu structure

>Clock..

>Set Clock

Set Clock Th 14: 45 MM.DD.YY 06. 21. 01

>S/W Time

>On Off S/W Time: Off

>EU UK US

..

EU UK US >..

MM.DD + : 0 3. 3 1 – : 1 1. 0 1 ∆ = 120 min

Keys

Keys I:0.,1.,2.

>Start

Q:0.,1.

Th 14: 45 06. 21. 01

123456789 0123456789 01234

123456789 0123456

n times Message text n = 0. . 5



>Stop Set Param Set Clock Prg Name Parameter assignment menu

232


LOGO! Menu structure No program after Power on Main menu No Program Press ESC

Program.. PC/Card.. Clock.. Start

Parameter assignment menu >Stop

Stop Prg > No Yes

Main menu Program.. PC/Card.. Clock.. Start

Stop Prg No > Yes

>Set Param

B05 : Par SW↑:0050 SW↓:0048 Fe = 0012

>Set Clock

Set Clock Th 14: 45 MM.DD.YY 06. 21. 01

>Prg Name

ABC

Q:0.,1.

I:0.,1.,2. Th 14: 45 06. 21. 01


or

123456789 0123456789 01234

or

123456789 0123456

233

LOGO! Menu structure

234


Order Numbers Table A Designation

Variant basic

Basic without display

Digital module

Analog module

Order number

LOGO! 12/24 RC *

6ED1 052–1MD00–0BA3

LOGO! 24):

6ED1 052–1CC00–0BA3

LOGO! 24 RC (AC)

6ED1 052–1HB00–0BA3

LOGO! 230 RC

6ED1 052–1FB00–0BA3

LOGO! 12/24 RCo *

6ED1 052–2MD00–0BA3

LOGO! 24 RCo (AC)

6ED1 052–2HB00–0BA3

LOGO! 230 RCo

6ED1 052–2FB00–0BA3

LOGO! DM8 12/24R

6ED1 055–1MB00–0BA0

LOGO! DM8 24

6ED1 055–1CC00–0BA0

LOGO! DM8 230R

6ED1 055–1FB00–0BA0

LOGO! AM2

6ED1 055–1MA00–0BA0

*: Also with anaputs


235

Order Numbers Table B Designation

Accessories Software

Order number

LOGO!Soft Comfort V3.0

6ED1 058–0BA00–0YC2

Upgrade Comfort V1.0, V2.0 to V3.0

6ED1 058–0CA00–0YC1

Program modules

Yellow card

6ED1 056–1BA00–0AA0

Red card

6ED1 056–4BA00–0AA0

Switching module

LOGO! 24 V

6ED1 057–4CA00–0AA0

LOGO! 230 V

6ED1 057–4EA00–0AA0

Power modules

LOGO!Power 12V/1.9A

6EP1 321–1SH01

LOGO!Power 12V/4.5A

6EP1 322–1SH01

LOGO!Power 24V/1.3A

6EP1 331–1SH01

LOGO!Power 24V/2.5A

6EP1 332–1SH41

PC cable

6ED1 057–1AA00–0BA0

Manual

6ED1 050–1AA00–0BE4

Others

236


Abbreviations AM B01 BN C Cnt Co Dir DM En

Analog module Block number B01 Block number in the LOGO! device designation: integrated clock Count = input for counter Connector Direction (e.g. for counter) Digital module Enable (e.g. for switching on the clock pulse generator) BF Basic functions No Cams (time switch parameters) o in the LOGO! device designation: without display Par Parameter R Reset R in the LOGO! device designation: Relay outputs S Set (e.g. setting the latching relay) SF Special functions T Time (parameter) S Segment Trg Trigger (parameter) 0BA3 devices: the latest LOGO! Basic version, described in this Manual.


237

238


Index Symbols ?, on the display, 71

A Analog Comparator, 138 Values, 96 Analog module, 2, 7

Basics on special functions, 92 BF, 81, 85 Block, 39 deleting, 69 interconnected blocks, 70 inserting, 64 number, 39 asg, 40 Block diagram, 41 BN, 81

AND, 87 AND , 87 AND not, 88 Applications, 171 AS Interface, 2 AS interface, 7, 192 AS interface function module, 192 Asynchronous Pulse Generator, 130

B Basic functions, 85 AND, 87 with edge, 87 NAND, 88 with edge, 89 NOR, 90 NOT, 91 OR, 89 XOR, 91 LOGO! Manual A5E00119092-01

C CE marking, 9 Certification , 9 Character set, 56 Checking , 67 Circuit diagram, 42 Circuit program , 77 Circuit status transition, 25 Clock Generator, Symmetric, 128 Co, 81, 82 Compatibility, Versions, 160 Connecting, Inputs, 24 Connection, x, 93 Connector, 16

239

Index Connectors, 36, 82, 84 hi, 38 inputs, 38 lo, 38 LOGO!’s, 38 outputs, 38 x, 38 Connectors , 82

E Edge evaluation, 89 Edge triggering, 87 Editing, 64 Equipment types, LOGO!, 2

CSA, 9

Example Air–conditioning system, 183 automatic door, 176 further applications, 204 Industrial gate, 188 industrial gate controlling, 192 Monitoring, 192 Lighting Corridor, 172 Staircase, 172 Luminous rows, 196 Service water pump, 200

Cursor, 46

exclusive OR, 91

Cursor movement, 46

Exiting programming mode, 68

Cycle time, 225

Expansion module, Analog module, 38

Constants , 82 Control , 4, 5 Conversion, Summertime and Wintertime, 73 Correcting Typing Errors, 71 Counter Operating Hours, 124 Up/Down, 122 Cover, 16

D Demo versions, 168 Digital module, 2, 7 Dimensions, 15 Display, 40

Expansion module , Digital module, 38 Expansion modules, 2 Analog module, 2 Communication module, 2 Digital module, 2 Operating state, 34 expansion modules, 36

Display view, 40 Displaying, 67 drag&drop, 168

240


Index

F

Internet address, 171 Inverter, 91

FM approval, 9 Four golden rules, 45 Frequency functions, 26

L

Function blocks, 39

Latching Relay, 109

Function module ASi, 2

LCD, 4, 5

Function module–ASi, 7

LED, 229

Functions, 81

Levels, 84 Limit, 77

Golden rules, 45

List BF, 81 BN, 81 Co, 81, 82 SF, 81, 98

Ground terminal, 23

List , BF, 85

Guidelines, 11

Logic module, 1

G Gain, 96

Logical inputs, 93

H Hiding, 67

I Initialization memory bit, 83 Inputs, 82 Anaputs, 26, 82 connection, 24 Digital Inputs, 82 Fast inputs, 26 Groups, 25 On–screen presentation, 61

LOGO! connecting to PC, 169 Guidelines, 11 Installing, 15 Operating states, 34 recognizing, 7 Structure of, 4 switching on, 31 uninstalling, 15 Variants, 8 wiring, 22

Inserting, 64 LOGO! Manual A5E00119092-01

241

Index LOGO! menus, 47 LOGO! Software, 167 LOGO!Soft Comfort, 168

N Name, 55 NAND, 88

M Memory area, 77 space, 77 utilization, 78 Memory bits, 83 Menu structure, 231 Menus Main menu, 47 Menu Clock, 47 Parameter assignment menu, 47 Programming menu, 47 Transfer menu, 47

Negation, 91 NOR , 90 NOT , 91

O Off Delay, 103 Off–time, 117 Offset, 96 On Delay, 101 retentive, 107 On–time, 117 On/Off Delay, 105

Message Texts, 145

Open connectors, 84

Message texts, Character set, 147

Operating characteristics, 228 Hours counter, Fetching MN and OT values, 229 Status indicator, 229

Mode Parameter assignment, 152 parameter assignment, 47 programming, 47 Mounting Drilling template, 21 Profile rail mounting, 16 Wall–mounting, 20

Operating Hours Counter, 124 hours counter, Reading MN and OT values, 126

Mounting Guidelines, 11 Multifunctional switch, 143

242


Index Operating mode Changing operating mode, 45 Programming mode, 48 OR, 89 OR , 89 OR not, 90 Output connection, Connecting, 29 Outputs, 82 connecting, 29 Presentation on the Display, 61

P

asg, 57 changing, 58 deactivating, 59 Wrong input, 60 PC – LOGO, 169 PC – LOGO mode, 169 PC cable, 169 Planning, 46 Power off, 32 on, 32 return, 31 switch, 31 Power supply, connecting, 22

Par, 77

Pre–warning duration , 142

Parameter, 153 ’Set Param’, 153 displaying/hiding, 67 Inputs, 94 selecting, 154 setting, 151 T, 94

Pre–warning time , 142

Parameter assignment, 66 Parameter assignment menu, 152 Parameter assignment screen form, 116, 146 Parameter Protection, 96 Parameters, changing, 155


Profile rail, 15 Program cycle, 225 Program module ’Card ––> LOGO’, 166 ’LOGO ––> Card’, 163 copying, 165 inserting, 161, 162 red, 159 removing, 161, 162 yellow, 159 Program name asg, 55 changing, 56 character set, 56 read, 153

243

Index Programs ’Clear Prg’, 72 ’Edit Prg’, 49 ’’, 57 ’Prg Name’, 55 archiving, 159 changing, 63 deleting, 72 duplicating, 159 editing, 51 sending by post, 159

S Sensor attributes, 24 Sensor connections, 27 Set Clock, ’Set Clock’, 158 Setting, 66 Setting the date, 158 Setting the Time–Of–Day, ’Set Clock’, 153

Pulse Pause, 130 width , 130

Setting the time–of–day, 158

Pulse Generator, Asynchronous , 130

Simulation , 167

Pulse Output, 112

Slide, 17, 19

Pulse Relay, 111

Softkey, 148

SF, 81, 98 Size of a circuit, 77

Software , 167

R RAM, 77 Random Generator, 131 Relay outputs, 29, 219 service life, 219 switching capacity, 219 REM, 77 Resources, 77 Retentive On Delay, 107 Retentivity, 95 Rules, Four golden, 45 RUN, ’Start’, 61

244


Index Special functions, 98 Analog Comparator, 138 Basic knowledge, 92 Clock Generator, Symmetric, 128 Counter Hours Counter, 124 Up/Down, 122 Delay Delay, 103 On, 101 On/off, 105 retentive on, 107 Message Texts, 145 Pulse Generator, asynchronous, 130 Random Generator, 131 Relay Lock, 109 Pulse, 111 Softkey, 148 Switch Comfort, 143 Stairway Lighting, 141 Threshold Switch, Frequency, 133 Threshold switch, Analog, 135 Timer, Week, 115 Timer switch, Year, 120 Wiping Relay, Pulse output, 112 Wiping relay, edge–triggered, 114 Stairway Lighting Switch, 141 Start, 61 Startup characteristics, 228

Structure, 13 Maximum structure, 13 with different voltage classes, 14 Summertime, 73 Summertime/Wintertime Conversion, 73 ’S/W Time’, 73 Customizing parameters, 75 enable, 76 enabling, 73 Switch Comfort, 143 Stairway Lighting, 141 Switched current, maximum, 30 Symbols, 7 Symmetric Clock Generator, 128

T T. See time Technical Data, 207 general, 207 LOGO! 12..., 215 LOGO! 230...., 209 LOGO! 24, 212 LOGO! AM2, 218 LOGO! DM8 12/24R, 215 LOGO! DM8 230R, 209 LOGO! DM8 24, 212 LOGO!, 224 LOGO!Power 12 V, 220 LOGO!Power 24 V, 222

Stop, 152


245

Index Threshold Switch Analog, 135 Frequencies, 133 Time, Accuracy of, 95 time, Accuracy of, 143 Time Response, 94 Time switch, 1 Timer, 77

W Weekday, 116 Weekly timer switch, 7, 117 Examples, 118 setting, 117 Weekly Timer Switch , 115 Wintertime, 73

Timing deviation , 95

Wiping Relay edge triggered, 114 Pulse Output, 112

Transistor outputs, 30

Wire ferrules, 22

Type of equipment, LOGO!, 2

without display, 227 Reading the operating hours counter, 229

Timer switch, Accuracy, 95

Type of protection, 67

U UL, 9

X XOR , 91

Uninstalling, 18 Unit segments, 15 Up/down Counter, 122 Upgrade, 168

Y Yearly Timer Switch, 120

Upward compatibility, 161

Z V

Zero point, 96

Voltage levels , 84 Voltage supply, connecting, Protective circuit, 23

246


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