S7300_Fail-Safe_Modules_e.pdf

Contents

Preface

SIMATIC

Product Overview

Configuration Options

Automation System S7-300

Fail-Safe Signal Modules

Configuring and

Assigning Parameters

Addressing and Installing

Manual

Wiring

Fault Reactions and

Diagnostics

General Technical

Specifications

Digital Modules

Analog Module

Safety Protector

Appendices

Diagnostic Data of

Signal Modules

Dimension Drawings

Accessories and Order

Numbers

Response Times

Type Examination Certificate

and Declaration of Conformity

Glossary

Index

Edition 04/2006

A5E0085586-08

Safety Guidelines

This manual contains notices you have to observe in order to ensure your personal safety, as well as to

prevent damage to property. The notices referring to your personal safety are highlighted in the manual

by a safety alert symbol, notices referring to property damage only have no safety alert symbol. The

notices shown below are graded according to the degree of danger.

Danger

indicates that death or severe personal injury will result if proper precautions are not taken.

Warning

indicates that death or severe personal injury may result if proper precautions are not taken.

Caution

with a safety alert symbol indicates that minor personal injury can result if proper precautions are not

taken.

Caution

without a safety alert symbol indicates that property damage can result if proper precautions are not

taken.

Notice

indicates that an unintended result or situation can occur if the corresponding notice is not taken into

account.

If more than one degree of danger is present, the warning notice representing the highest degree of

danger will be used. A notice warning of injury to persons with a safety alert symbol may also include a

warning relating to property damage.

Qualified Personnel

The device/system may only be set up and used in conjunction with this documentation. Commissioning

and operation of a device/system may only be performed by qualified personnel . Within the context of

the safety notices in this documentation qualified persons are defined as persons who are authorized to

commission, ground and label devices, systems and circuits in accordance with established safety

practices and standards.

Prescribed Usage

Note the following:

Warning

This device and its components may only be used for the applications described in the catalog or the

technical description, and only in connection with devices or components from other manufacturers

which have been approved or recommended by Siemens.

Correct, reliable operation of the product requires proper transport, storage, positioning and assembly

as well as careful operation and maintenance.

Trademarks

All names identified by ® are registered trademarks of the Siemens AG.

The remaining trademarks in this publication may be trademarks whose use by third parties for their

own purposes could violate the rights of the owner.

Disclaimer of Liability

We have reviewed the contents of this publication to ensure consistency with the hardware and

software described. Since variance cannot be precluded entirely, we cannot guarantee full consistency.

However, the information in this publication is reviewed regularly and any necessary corrections are

included in subsequent editions.

Siemens AG

Automation and Drives

Postfach 4848

90437 NÜRNBERG

GERMANY

A5E0085586-08

04/2006

Technical data subject to change

Contents

Preface ............................................................................................................................ 1-1

Product Overview........................................................................................................... 2-1

2.1

2.2

Introduction ....................................................................................................... 2-1

2.3

Guide to Commissioning Fail-Safe Signal Modules ......................................... 2-5

Configuration Options ................................................................................................... 3-1

3.1

3.2

Introduction ....................................................................................................... 3-1

3.3

Configuration with F-SMs in Safety Mode ........................................................ 3-3

Configuring and Assigning Parameters ...................................................................... 4-1

Addressing and Installing ............................................................................................. 5-1

5.1 Introduction ....................................................................................................... 5-1

5.2 Address Assignments in the CPU .................................................................... 5-1

5.3 Addressing the Channels.................................................................................. 5-3

5.4 Assigning PROFIsafe Address ......................................................................... 5-4

5.4.1 Assigning PROFIsafe Address (Starting Address of F-SM) ............................. 5-5

5.4.2 Assigning PROFIsafe Address (F_destination_address) ................................. 5-7

5.5

Installing............................................................................................................ 5-9

Wiring .............................................................................................................................. 6-1

6.1

Introduction ....................................................................................................... 6-1

6.2

Safe Functional Extra-Low Voltage for Fail-Safe Signal Modules.................... 6-2

6.3

Wiring Fail-Safe Signal Modules ...................................................................... 6-3

6.4

Replacing Fail-Safe Signal Modules................................................................. 6-4

6.5

Sensor and Actuator Requirements for F-SMs in Safety Mode ...................... 6-5

Fault Reactions and Diagnostics ................................................................................. 7-1

7.1 Introduction ....................................................................................................... 7-1

7.2 Reactions to Faults in F-SMs ........................................................................... 7-2

7.2.1 Reactions to Faults in Standard Mode ............................................................. 7-2

7.2.2 Reactions to Faults in Safety Mode.................................................................. 7-3

7.3

Diagnosis of Faults of F-SMs ........................................................................... 7-6

General Technical Specifications................................................................................. 8-1

8.1

Introduction ....................................................................................................... 8-1

8.2

Standards and Approvals ................................................................................. 8-2

8.3

Electromagnetic Compatibility .......................................................................... 8-6

8.4

Transport and Storage Conditions.................................................................. 8-10

8.5

Mechanical and Climatic Environmental Conditions ...................................... 8-11

8.6

Specifications for Nominal Line Voltages, Isolation Tests,

Protection Class, and Degree of Protection ................................................... 8-13

Fail-Safe Signal Modules

A5E00085586-08

iii

Using Fail-Safe Signal Modules ....................................................................... 2-2

Configuration with F-SMs in Standard Mode.................................................... 3-2

Contents

Digital Modules............................................................................................................... 9-1

9.1 Introduction ....................................................................................................... 9-1

9.2 Discrepancy Analysis for Fail-safe Digital Input Modules................................. 9-2

9.3 SM 326; DI 24 × DC 24V .................................................................................. 9-5

9.3.1 Properties, Front View, Connection Diagram, and Block Diagram .................. 9-5

9.3.2 Applications for SM 326; DI 24 × DC 24V ...................................................... 9-10

9.3.3 Application 1: Standard Mode ........................................................................ 9-11

9.3.4 Application 2: Standard Mode with High Availability ...................................... 9-13

9.3.5 Application 3: Safety Mode, SIL 2 (AK 4, Category 3) ................................... 9-15

9.3.6 Application 4: Safety Mode, SIL 2 (AK 4, Category 3)

with High Availability (only in S7 F/FH Systems)............................................ 9-17

9.3.7 Application 5: Safety Mode, SIL 3 (AK 6, Category 4) ................................... 9-20

9.3.8 Application 6: Safety Mode, SIL 3 (AK 6, Category 4)

with High Availability (only in S7 F/FH Systems)............................................ 9-25

9.3.9 Diagnostic Messages for the SM 326; DI 24 × DC 24V.................................. 9-30

9.3.10 Technical Specifications - SM 326; DI 24 × DC 24V ...................................... 9-33

9.4 SM 326; DI 8 × NAMUR................................................................................... 9-35

9.4.1 Properties, Front View, Connection Diagram, and Block Diagram ................ 9-35

9.4.2 Special Features when Wiring SM 326; DI 8 × NAMUR for

Hazardous Areas ........................................................................................... . 9-38

9.4.3 Applications of SM 326; DI 8 × NAMUR: ........................................................ . 9-41

9.4.4 Application 1: Standard Mode and Application 3: Safety Mode SIL 2

(Safety Level AK 4, Category 3) ..................................................................... 9-42

9.4.5 Application 2: Standard Mode with High Availability and Application 4:

Safety Mode SIL 2 (Safety Level AK 4, Category 3) with High Availability

(only in S7 F/FH Systems).............................................................................. 9-43

9.4.6 Application 5: Safety Mode, SIL 3 (AK 6, Category 4) ................................... 9-45

9.4.7 Application 6: Safety Mode, SIL 3 (AK 6, Category 4) with

High Availability (only in S7 F/FH Systems) ................................................... 9-46

9.4.8 Diagnostic Messages for SM 326; DI 8 × NAMUR: ......................................... 9-49

9.4.9 Technical Specifications - SM 326; DI 8 × NAMUR......................................... 9-52

9.5 SM 326; DO 8 × DC 24V/2A PM .................................................................... 9-54

9.5.1 Properties, Front View, Connection Diagram, and Block Diagram ................ 9-54

9.5.2 Applications of the SM SM 326; DO 8 × DC 24V/2A PM ............................... 9-58

9.5.3 Application 1: Safety Mode SIL 2 (Safety Level AK 4, Category 3) and

Application 2: Safety Mode SIL 3 (Safety Level AK 6, Category 4) .............. 9-59

9.5.4 Diagnostic Messages for SM 326; DO 8 × DC 24V/2A PM........................... 9-63

9.5.5 Technical Specifications - SM 326; DO 8 × DC 24V/2A PM ......................... 9-67

9.6 SM 326; DO 10 × DC 24V/2A ......................................................................... 9-69

9.6.1 Properties, Front View, Connection Diagram, and Block Diagram ................ 9-69

9.6.2 Applications for SM 326; DO 10 × DC 24V/2A ............................................... 9-74

9.6.3 Application 1: Standard Mode, Application 3: Safety Mode SIL 2

(Safety Level AK 4, Category 3) and Application 5: Safety Mode SIL 3

(Safety Level AK 6, Category 4) ..................................................................... 9-75

9.6.4 Application 2: Standard Mode with High Availability and Application 4:

Safety Mode SIL 2 (Safety Level AK 4, Category 3) with High Availability

and Application 6: Safety Mode SIL 3 (Safety Level AK 6, Category 4)

with High Availability (only in S7 F/FH Systems)........................................... 9-78

9.6.5 Parallel Connection of Two Outputs for Dark Period Suppression................. 9-80

9.6.6 Diagnostic Messages of SM 326; DO 10 × DC 24V/2A ................................. 9-81

9.6.7 Technical Specifications - SM 326; DO 10 × DC 24V/2A.............................. 9-86

Fail-Safe Signal Modules

A5E00085586-08

Contents

10 Analog Module ............................................................................................................. 10-1

10.1 Introduction ..................................................................................................... 10-1

10.2 Analog Value Representation ......................................................................... 10-2

10.3 SM 336; AI 6 × 13 Bit ...................................................................................... 10-4

10.3.1 Properties, Front View, Connection Diagram, and Block Diagram ................ 10-4

10.3.2 Applications for SM 336; AI 6 × 13 Bit ......................................................... . 10-10

10.3.3 Application 1: Standard Mode ..................................................................... . 10-12

10.3.4 Application 2: Standard Mode with High Availability

(only in S7 F/FH Systems)........................................................................... . 10-15

10.3.5 Application 3: Safety Mode, SIL 2 (AK 4, Category 3) ................................ . 10-20

10.3.6 Application 4: Safety Mode, SIL 2 (AK 4, Category 3)

with High Availability (only in S7 F/FH Systems)......................................... . 10-22

10.3.7 Application 5: Safety Mode, SIL 3 (AK 6, Category 4) ................................ . 10-26

10.3.8 Application 6: Safety Mode, SIL 3 (AK 6, Category 4)

with High Availability (only in S7 F/FH Systems)......................................... . 10-29

10.3.9 Diagnostic Messages for SM 336; AI 6 × 13 Bit .......................................... . 10-33

10.3.10 Technical Specifications - SM 336; AI 6 × 13 Bit......................................... . 10-36

11 Safety Protector ........................................................................................................... 11-1

11.1 Introduction ..................................................................................................... 11-1

11.2 Properties, Front View, and Block Diagram.................................................... 11-2

11.3 Configuration Variants .................................................................................... 11-4

11.4 Technical Specifications ................................................................................. 11-6

12 Diagnostic Data of Signal Modules ............................................................................ 12-1

13 Dimension Drawings.................................................................................................... 13-1

14 Accessories and Order Numbers ............................................................................... 14-1

15 Response times........................................................................................................... . 15-1

16 Type Examination Certificate and Declaration of Conformity................................. 16-1

17 Glossary ........................................................................................................................ 17-1

Index

Fail-Safe Signal Modules

A5E00085586-08

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