Siemens SIRIUS 3SK1

Typical 3SK1 Advanced system con󹪝guration
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① 3SK1230 power supply
② 3SK1220 input expansion
③ 3SK1Advanced basic unit
④ 3SK1211 or 3RQ1 output expansion
⑤ 3SK1213 output expansion
Example 1 of a 3SK1 Advanced system con󹪝guration with 3RM1 Failsafe motor starter
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① 3SK1220 input expansion
② 3SK1Advanced basic unit
③ 3SK1211 or 3RQ1 output expansion
④ Output expansion for 3RM1Failsafe motor starter
Description
3.5 3SK1 system
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
38 Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005