Siemens SIRIUS 3SK1

5.5.2.5 Display of the operating state........................................................................................... 110
6 System con󹪝guration......................................................................................................................... 111
6.1 General information......................................................................................................... 111
6.1.1 General notes on the Standard system.............................................................................. 111
6.1.2 General information on the Advanced system................................................................... 111
6.1.3 Maximum system con󹪝guration ....................................................................................... 112
6.2 3ZY12 device connector................................................................................................... 116
6.2.1 Device features ................................................................................................................ 116
6.2.2 Applications..................................................................................................................... 119
6.3 System con󹪝guration rules............................................................................................... 120
7 Mounting ........................................................................................................................................... 123
7.1 Warning notices............................................................................................................... 123
7.2 Terminal coding............................................................................................................... 124
7.3 Mounting the devices on a level surface ........................................................................... 125
7.4 Disassembling devices from a level surface....................................................................... 127
7.5 Mounting 22.5 mm/17.5 mm devices on a standard mounting rail ................................... 129
7.6 Mounting the 90 mm devices on a standard mounting rail ............................................... 130
7.7 Removing devices from a standard mounting rail.............................................................. 131
7.8 Mounting 22.5 mm/17.5 mm devices with device connectors on a standard mounting rail ... 132
7.9 Removing 22.5 mm/17.5 mm devices with device connectors from a standard mounting
rail................................................................................................................................... 135
7.10 Mounting 90 mm devices with device connectors on a standard mounting rail ................. 138
7.11 Removing 90 mm devices with device connectors from a standard mounting rail.............. 141
7.12 Mounting 22.5 mm/17.5 mm devices with device connectors on the wall......................... 144
7.13 Removing 22.5 mm/17.5 mm devices with device connectors from the wall ..................... 147
7.14 Mounting 90 mm devices with device connectors on the wall........................................... 149
7.15 Removing 90 mm devices with device connectors from wall ............................................. 152
7.16 Mounting the sealable cover ............................................................................................ 154
8 Connection......................................................................................................................................... 155
8.1 Warning notices............................................................................................................... 155
8.2 22.5 mm/17.5 mm devices............................................................................................... 156
8.2.1 Terminal assignment........................................................................................................ 156
8.2.2 Connection data for 3SK1 terminals ................................................................................. 157
8.2.3 Connection data for 3RQ1 terminals................................................................................. 158
8.2.4 Connecting the screw-type terminals ............................................................................... 158
8.2.5 Disconnecting the screw-type terminals ........................................................................... 159
8.2.6 Wiring rules for spring-loaded terminal (push-in system) .................................................. 160
8.2.7 Connection data for 3SK1 spring-loaded terminal (push-in system)................................... 160
8.2.8 Connection data for 3RQ1 spring-loaded terminal (push-in system) .................................. 161
8.2.9 Connecting spring-loaded (push-in) terminals .................................................................. 161
Table of contents
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
6 Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005