INF
(feedback circuit)
INS
A1/A2
Safety-related
output
Safety-related
output
tv
3SK1121-xCB4y monitored start
InputsOutputs
IN1/IN2
(sensor circuit)
or
INK
150 ms
35 ms
tv
35 ms 35 ms
35 ms
5.2.8 3SK1122 Advanced basic unit instantaneous (with semiconductor outputs)
5.2.8.1 Device features
Article number
3SK1122-xAB40 24 V DC
x = 1: Screw-type terminal; x = 2: Spring-loaded (push-in) terminal
Additional or alternative device features
• 3 safety-related semiconductor outputs
• 1 semiconductor signaling circuit
3SK1 / 3RQ1 devices
5.2 3SK1 Advanced
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
76 Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005
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