Siemens SIRIUS 3SK1 Manual page 123

Table 7- 4 Typical circuit 4:
single-channel, with autostart
Table 7- 5 Typical circuit 5:
2-channel EMERGENCY STOP, with cross-circuit detection, with monitored start
* For 3SK1111-.AB30 basic unit only
When connecting magnetically operated switches as sensors, observe the information in
chapter Use of magnetically operated switches (Page 45).
SIRIUS 3SK1 safety relays
Manual, 06/2018, A5E02526190021A/RS-AD/004
Autostart
•
3SK1111-.AB30 Standard relay
•
Sensor: 1 NC contact
•
Slide switch
Auto
ON
top
Up to PL in accordance with ISO
13849-1
Up to Safety Integrity Level (SILCL) to
IEC 62061
Monitored start
•
With cross-circuit detection
•
Sensor: 2 NC contacts
•
3SK1111 Standard relay
•
Slide switch
Auto
—
Up to PL in accordance with ISO
13849-1
Up to Safety Integrity Level (SILCL) to
IEC 62061
Circuit diagrams
7.2 Typical circuits
Monitored
—
c
1
Monitored
ON
bottom
e
3
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