Pilz Intern PMC SR6 Manual page 3

Table of contents
11 More on safety technology and PMC SR6?.................................................................................................25
11.1 SRP/CS: Processing a typical safety function .................................................................................................25
11.2 Monitoring the connection wiring .....................................................................................................................26
11.2.1 Monitoring by a safety relay.............................................................................................................................26
11.2.2 Fault exclusion for lines/connections in accordance with DIN EN 13849 ........................................................27
11.2.3 Monitoring by means of plausibility check of the signals ................................................................................27
11.2.3.1 STO function test .............................................................................................................................................28
11.3 Calculation of suitable protective measures - Examples ................................................................................30
11.3.1 STO - Creating schematic and block diagrams ..............................................................................................31
11.3.1.1 Generating a schematic diagram.....................................................................................................................31
11.3.1.2 Creating block diagrams ..................................................................................................................................32
11.3.2 SS1 - Creating schematic and block diagrams ...............................................................................................34
11.3.2.1 Generating a schematic diagram.....................................................................................................................34
11.3.2.2 Creating block diagrams ..................................................................................................................................35
11.3.3 Determining the safety figures .........................................................................................................................37
11.3.3.1 Subsystem SB1 ...............................................................................................................................................37
11.3.3.2 Subsystem SB2 ...............................................................................................................................................38
11.3.3.3 Subsystem SB3 ...............................................................................................................................................39
11.3.3.4 Wiring the subsystems.....................................................................................................................................39
11.3.3.5 Safety figures for the entire system .................................................................................................................39
11.4 PMC SR6 in accordance with interface classification (ZVEI) ..........................................................................40
12 Appendix ........................................................................................................................................................42
12.1 Detailed information.........................................................................................................................................42
12.2 Formula symbols .............................................................................................................................................44
12.3 Abbreviations ...................................................................................................................................................45
Glossary .........................................................................................................................................................46
List of figures .................................................................................................................................................48
List of tables...................................................................................................................................................49
Manual PMC SR6 safety module
1005344-en-US-01
Intern
Pilz | iii