Terminal Assignment - Siemens SIRIUS 3SK1 Manual

3SK1 devices
5.1 3SK1 standard
5.1.3.4

Terminal assignment

A1
A2
IN1
IN2
IN3
INF/S
T1
T2
T3
T4
13 - 14
23 - 24
33 - 34
41 - 42
Floating:
Non-floating
For 24 V AC/DC variant only
1)
50
Terminal
L+
N-
Sensor channel 1
Sensor channel 2
Non-floating sensor evaluation
Feedback circuit/START button
Test output 1 (for IN1)
Test output 2 (for IN2)
Test output 3 (for IN3)
Test output 4 (for INF/S)
Safety-related outputs (NO contact, relay contact)
Relay signaling circuits (NC contacts)
Sensors T1/IN1 and T2/IN2
Jumper T3/IN3
Sensors IN1 and IN3
Jumper T2/IN2
Explanation
1)
1)
1)
Manual, 06/2018, A5E02526190021A/RS-AD/004
SIRIUS 3SK1 safety relays