Siemens SIRIUS 3SK1 Equipment Manual page 83

IN1
IN2
PAR
INS
INF
INK
T1
T2
Q1
Q2
Qt1
Qt2
State diagrams 3SK1122-xCB4y
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005
Terminal
Sensor channel 1
Sensor channel 2
NO contact/NC contact evaluation
START pushbutton circuit
Feedback circuit
Cascading circuit / normal switching duty
Test output 1 (for IN1, PAR)
Test output 2 (for IN2, INF)
Instantaneous safety-related output 1
(switching to P potential, 24 V DC)
Instantaneous safety-related output 2
(switching to P potential, 24 V DC)
Time-delayed safety-related output 1
(switching to P potential, 24 V DC)
Time-delayed safety-related output 2
(switching to P potential, 24 V DC)
3SK1122-xCB4y autostart
A1/A2
INF (feedback
circuit)
IN1/IN2
(sensor circuit)
or
INK
Safety-related
outputs
Safety-related
outputs
tv
Explanation
80 ms 150 ms
tv
3SK1 / 3RQ1 devices
5.2 3SK1 Advanced
0 ms
83