Terminal Assignment - Siemens SIRIUS 3SK1 Manual

5.2.9.3

Terminal assignment

A1
A2
IN1
IN2
PAR
INS
INF
INK
T1
T2
Q1
Q2
Qt1
Qt2
3SK1 safety relays
Manual, 04/2013, A5E02526190021A/RS-AA/01
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 solid-
state)
Instantaneous safety-related output 2 (switching to P potential, 24 V DC solid-
state)
Time-delayed safety-related output 1 (switching to P potential, 24 V DC solid-
state)
Time-delayed safety-related output 2 (switching to P potential, 24 V DC solid-
state)
5.2 3SK1 Advanced
Explanation
3SK1 devices
73