Siemens SIRIUS 3SK1

Circuit diagrams
7.2 Typical circuits
3SK1 safety relays
Manual, 04/2013, A5E02526190021A/RS-AA/01
121
Typical circuits for 3SK1 Advanced basic units only
Table 7- 14 Typical circuit 14:
1NC/1NO sensor, with cross-circuit detection, with monitored start
• Monitored start
• With cross-circuit detection
• 1 x two-channel
• Jumper T1/PAR for NC/NO evaluation
• Sensor: NC/NO sensor
• 3SK112 Advanced
DIP switch
1 2 3 4
ON
right
ON
right
ON
right
—
Up to PL in accordance with ISO
13849-1
e
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Up to Safety Integrity Level (SILCL) to
IEC 61508
3
Table 7- 15 Typical circuit 15:
1NC/1NO sensor, with cross-circuit detection, with autostart
• Autostart
• With cross-circuit detection
• 1 x two-channel
• Jumper T1/PAR for NC/NO evaluation
• Sensor: NC/NO sensor
• 3SK112 Advanced
DIP switch
1 2 3 4
OFF
left
ON
right
ON
right
—
PL in accordance with ISO 13849-1 e
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4Q
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0
Safety Integrity Level (SILCL) to IEC
61508
3