Table Of Contents - Siemens SIMATIC S7-1200 Safety Programming Manualline

Table of Contents

Table of Contents
Warranty and Liability ................................................................................................. 2
1 Introduction ........................................................................................................ 4
2 Configuring Fail-Safe Controllers .................................................................... 6
2.1
2.2
2.3
2.4
2.5
2.6
3 Methods for Safety Programming .................................................................. 14
3.1
3.1.1
3.1.2
3.1.3
3.1.4
3.2
3.3
3.4
3.5
3.5.1
3.5.2
3.6
3.7
3.8
3.9
3.9.1
3.9.2
3.9.3
3.9.4
3.10
3.11
3.11.1
3.11.2
3.11.3
4 Optimizing Safety Programs .......................................................................... 38
4.1
4.1.1
4.1.2
4.1.3
4.2
5 Glossary ........................................................................................................... 45
6 Appendix .......................................................................................................... 47
6.1
6.2
6.3
Safety Programming Guideline
Entry ID: 109750255, V1.0,
Selecting the suitable F-CPU ............................................................... 6
PROFIsafe address types .................................................................... 8
Protecting the F-CPU against unauthorized access ............................ 9
F-change history ................................................................................. 11
Consistently uploading F-CPUs ......................................................... 12
Know-how protection .......................................................................... 13
Program structures ............................................................................. 14
Defining a program structure .............................................................. 14
Call levels of F-FBs/F-FCs ................................................................. 16
Call sequence of the blocks in the Main Safety ................................. 16
F-suitable PLC data type .................................................................... 18
Block information and comments ....................................................... 20
Functional identifiers of variables ....................................................... 21
True & False ....................................................................................... 22
Standardizing blocks .......................................................................... 23
Standardizing sensor evaluation ........................................................ 23
Standardizing actuator control ........................................................... 25
Programming logic operations ........................................................... 26
Programming mode-dependent safety functions ............................... 26
Connecting global data....................................................................... 27
Data exchange between standard user program and safety
program .............................................................................................. 28
Reading diagnostic and message information from the safety
program .............................................................................................. 29
Transferring operational information to the safety program ............... 30
Using non-safe inputs in the safety program...................................... 30
Transferring HMI signals to the safety program ................................. 31
Resetting functional switching ............................................................ 33
Reintegrating fail-safe I/O modules/channels .................................... 34
Evaluating passivated modules/channels .......................................... 34
Automatic reintegration ...................................................................... 36
Manual reintegration ........................................................................... 37
Optimizing the compilation duration and runtime ............................... 38
Jumps in the safety program .............................................................. 39
Timer blocks ....................................................................................... 41
Multi-instances ................................................................................... 41
Avoiding data corruption..................................................................... 43
Service and Support ........................................................................... 47
Links and literature ............................................................................. 48
Change documentation ...................................................................... 48
10/2017
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