Siemens SIRIUS 3SK1

Terminal Explanation
- - Mass
- - Mass
5.5.2.5 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
3SK1 / 3RQ1 devices
5.5 3SK1 input expansions
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
110 Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005