Siemens SIRIUS 3SK1

INF (feedback
circuit)
INS
A1/A2
Safety-related
outputs
Signaling
output
3SK1120-xAB40 monitored start
Inputsoutputs
IN1/IN2
(sensor circuit)
or
INK
150 ms
0 ms
20 ms
30 ms
35 ms
3SK1 / 3RQ1 devices
5.2 3SK1 Advanced
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
88 Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005