Siemens SIRIUS 3SK1

INF (feedback
circuit)
INS
A1/A2
Safety-related
outputs
Signaling
output
3SK1122-xAB40 monitored start
Inputsoutputs
IN1/IN2
(sensor circuit)
or
INK
150 ms
0 ms
20 ms
30 ms
35 ms
5.2.9 3SK1122 Advanced basic unit time-delayed (with semiconductor outputs)
5.2.9.1 Device features
Article number
3SK1122-xCB4y 24 V DC
x = 1: Screw-type terminal; x = 2: Spring-loaded (push-in) terminal
y = delay: 1 = 0.05 ... 3 s; 2 = 0.5 ... 30 s; 4 = 5 ... 300 s
Additional / alternative device characteristics
• 2 instantaneous semiconductor outputs
• 2 time-delayed semiconductor outputs
• Potentiometer for setting the delay time
• Time function: With OFF-delay
3SK1 / 3RQ1 devices
5.2 3SK1 Advanced
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
80 Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005