Siemens SIRIUS 3SK1

Circuit diagrams
7.2 Typical circuits
3SK1 safety relays
Manual, 04/2013, A5E02526190021A/RS-AA/01
119
Table 7- 11 Typical circuit 11:
Electronic sensor, two-channel, without cross-circuit detection, with autostart
• Autostart
• Without cross-circuit detection
• 1 x two-channel
• Sensor: 2-channel non-floating
• 3SK1112 Standard solid-state and
3SK112 Advanced
DIP switch
1 2 3 4
OFF
left
OFF
left
ON
right
—
Up to PL in accordance with ISO
13849-1
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Up to Safety Integrity Level (SILCL) to
IEC 62061
3
Note
Single-channel connection
If only one single-channel sensor is used, the other sensor circuit must be jumpered.