Siemens SIRIUS 3SK1

3SK1 devices
5.4 3SK1 input expansions
3SK1 safety relays
Manual, 04/2013, A5E02526190021A/RS-AA/01
93
5.4.2.4 Terminal assignment
Terminal Explanation
A1 L+
A2 N-
+ +24 V DC
+ +24 V DC
- - Mass
- - Mass
5.4.2.5 Display of the operating state
Display of the operating state
The operating state and functioning of the device are indicated by an LED:
● (1) DEVICE
Operating states
LED State Meaning
DEVICE Green Output voltage OK
Flashing Overload
OFF No voltage