Siemens SIRIUS 3SK1

Table of contents
3SK1 safety relays
6 Manual, 04/2013, A5E02526190021A/RS-AA/01
4.3.9 Monitored start ............................................................................................................................ 35
4.3.10 Two-hand operation/synchronism............................................................................................... 36
4.3.11 Cascading ...............................................
.................................................................................... 36
4.3.12 Startup testing ............................................................................................................................. 37
4.3.13
Connection of actuators
.............................................................................................................. 37
4.3.14 Series c
onnection of sensors...................................................................................................... 40
5 3SK1
devices........................................................................................................................................... 43
5.1 3SK1 standard ............................................................................................................................ 43
5.1.1
General information..................................................................................................................... 43
5.1.2 Applic
ations................................................................................................................................. 43
5.1.3
3SK1111 Standard basic un
it instantaneous (with relay outputs) .............................................. 44
5.1.3.1 General information..................................................................................................................... 44
5.1.3.2 Func
tion description
.................................................................................................................... 44
5.1.3.3 Design ................................................................................................................
......................... 45
5.1.3.4 Terminal assignment................................................................................................................... 46
5.1.3.5
Inputs........................................................................................................................................... 46
5.1.3.6 Outputs
........................................................................................................................................ 47
5.1.3.7 Display of the operating state
..................................................................................................... 47
5.1.3.8 Func
tion setting......................................................................................................
..................... 47
5.1.4 3SK1112 Standard basic un
it instantaneous (with solid-state outputs)...................................... 50
5.1.4.1 General information..................................................................................................................... 50
5.1.4.2 Func
tion description
.................................................................................................................... 50
5.1.4.3 Design ................................................................................................................
......................... 51
5.1.4.4 Terminal assignment................................................................................................................... 52
5.1.4.5
Inputs........................................................................................................................................... 52
5.1.4.6 Outputs
........................................................................................................................................ 53
5.1.4.7 Display of the operating state
..................................................................................................... 53
5.1.4.8 Func
tion setting......................................................................................................
..................... 54
5.2 3SK1 Advanced .......................................................................................................................... 56
5.2.1
General information..................................................................................................................... 56
5.2.2 Applic
ations................................................................................................................................. 56
5.2.3
General device
features.............................................................................................................. 57
5.2.4 Function description
.................................................................................................................... 57
5.2.5 Functions..................................................................................................................................... 58
5.2.6
3SK1121 Advanced basic unit instanta
neous (with relay outputs)............................................. 60
5.2.6.1 Device features .......................................................................................................
.................... 60
5.2.6.2 Function description
.................................................................................................................... 60
5.2.6.3 Design ................................................................................................................
......................... 61
5.2.6.4 Terminal assignment................................................................................................................... 62
5.2.7
3SK1121 Advanced basic unit time-delayed (with relay outputs
)............................................... 63
5.2.7.1 Device features .......................................................................................................
.................... 63
5.2.7.2 Design ................................................................................................................
......................... 64
5.2.7.3 Terminal assignment................................................................................................................... 65
5.2.8
3SK1122 Advanced basic unit i
nstantaneous (with solid-state outputs) .................................... 67
5.2.8.1 Device features .......................................................................................................
.................... 67
5.2.8.2 Design ................................................................................................................
......................... 68
5.2.8.3 Terminal assignment................................................................................................................... 69
5.2.9
3SK1122 Advanced basic unit time-delayed (with solid-state
outputs) ...................................... 71
5.2.9.1 Device features .......................................................................................................
.................... 71
5.2.9.2 Design ................................................................................................................
......................... 72
5.2.9.3 Terminal assignment................................................................................................................... 73