Siemens SIRIUS 3SK1

Circuit diagrams
7.2 Typical circuits
3SK1 safety relays
Manual, 04/2013, A5E02526190021A/RS-AA/01
111
7.2 Typical circuits
7.2.1 Sensor wiring
Parameter definitions depending on the sensor wiring
Slide switch Typical circuit
AUTO MONITORED
Description
Basic unit 3SK1 Standard relay
X EMERGENCY STOP, single-channel, with
monitored start
1 and 2
X EMERGENCY STOP, single-channel, with
autostart
3 and 4
X Two-channel, with cross-circuit detection,
with monitored start
5
X Two-channel, with cross-circuit detection, with
autostart
6
X Sensors with solid-state outputs, without cross-
circuit detection, with autostart
7
DIP switch Typical circuit
1 2 3 4
Description
Basic units 3SK1 Standard /
Advanced
right right right — 1 x two-channel, with cross-circuit detection,
with monitored start
8
left right right — 1 x two-channel, with cross-circuit detection
with autostart
9
right left right — Electronic sensor, without cross-circuit
detection, with monitored start
10
left left right — Electronic sensor, without cross-circuit
detection, with autostart
11
right left left — 2 x single-channel, without cross-circuit
detection, with monitored start
12
left left left — 2x single-channel, without cross-circuit
detection, with autostart
13
— = Not relevant