Siemens SINAMICS DCM - Default Chapter; Table of Contents

Application document for functional safety STO, SS1 (ISO 13849-1)
Compact User Manual, 09/2016, A5E34871844AM
5
Table of contents
1 Introduction................................................................................................................................. 11
1.1 Important note ................................................................................................................... 11
1.2 Preliminary remarks........................................................................................................... 11
1.2.1 Safe Torque Off (STO) ...................................................................................................... 12
1.2.2 Safe Stop 1 (SS1, time-controlled) ..................................................................................... 12
1.2.3 Using EMERGENCY STOP ............................................................................................... 13
1.3 Application overview .......................................................................................................... 13
1.4 Armature circuit with one switching device ......................................................................... 14
1.5 Armature circuit with two switching devices ........................................................................ 14
1.6 Field circuit description ...................................................................................................... 15
1.7 Safety shutdown (E-STOP)................................................................................................ 16
1.8 Parameterizing the digital outputs ...................................................................................... 17
1.9 Parameterizing the digital input for SS1 OFF3 ................................................................... 18
1.10 Abbreviations and circuit diagram symbols ........................................................................ 19
2 Principle of the dual channel architecture ....................................................................................... 21
3 STO stop Category 0 with one switching device .............................................................................. 23
3.1 Description ........................................................................................................................ 23
3.2 STO circuit example with one 3WL circuit breaker ............................................................. 24
3.3 STO circuit example with one power contactor................................................................... 25
4 SS1 stop Category 1 with one switching device ............................................................................... 27
4.1 Description ........................................................................................................................ 27
4.2 SS1 circuit example with one 3WL circuit breaker .............................................................. 28
4.3 SS1 circuit example with one power contactor ................................................................... 29
5 STO, two switching devices in series ............................................................................................. 31
5.1 Description ........................................................................................................................ 31
5.2 STO circuit example with two 3WL circuit breakers connected in series ............................. 32
5.3 STO circuit example with two power contactors connected in series .................................. 33
6 SS1, two switching devices connected in series .............................................................................. 35
6.1 Description ........................................................................................................................ 35
6.2 SS1 circuit example with two 3WL circuit breakers connected in series .............................. 36
6.3 SS1 circuit example with two power contactors connected in series ................................... 37