Siemens SIRIUS 3SK1

Table 14-13 Typical circuit 13: 2 x single-channel, without cross-circuit detection, with autostart
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6WDUWXS7HVW\HVQR
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6(75(6(7
4
0
4Q
0
• Autostart
• Without cross-circuit detection
• 2 x single-channel
• Sensor: 2 x single-channel NC
• 3SK1112 Standard solid-state and
3SK112 / 3SK122 Advanced
DIP switch
1 2 3 4
OFF
Left
OFF
Left
OFF
Left
—
Up to PL in accordance with ISO 13849-1 c
Up to Safety Integrity Level (SILCL) to
IEC 62061
1
Also possible: 2 x single-channel with T1-IN1, T2-IN2 and DIP switch 2 cross-circuit detection to
ON.
Circuit diagrams
14.3 Typical circuits
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005 219