Siemens SIRIUS 3SK1 Manual page 120

Circuit diagrams
7.2 Typical circuits
Table 7- 12 Typical circuit 12: 2 x single-channel, without cross-circuit detection, with monitored start
Table 7- 13 Typical circuit 13: 2x single-channel, without cross-circuit detection, with autostart
120
Monitored start
•
Without cross-circuit detection
•
2 x single-channel
•
Sensor: two single-channel NC sensors
•
3SK1112 Standard solid-state and
•
3SK112 Advanced
DIP switch
1 2
ON OFF
right left
Up to PL in accordance with ISO
13849-1
Up to Safety Integrity Level (SILCL) to
IEC 62061
Autostart
•
Without cross-circuit detection
•
2 x single-channel
•
Sensor: two single-channel NC contacts
•
3SK1112 Standard solid-state and
•
3SK112 Advanced
DIP switch
1 2
OFF OFF
left left
Up to PL in accordance with ISO
13849-1
Up to Safety Integrity Level (SILCL) to
IEC 62061
Manual, 04/2013, A5E02526190021A/RS-AA/01
3 4
OFF —
left
c
1
3 4
OFF —
left
c
1
3SK1 safety relays