Siemens SIRIUS 3SK1

Circuit diagrams
7.2 Typical circuits
3SK1 safety relays
122 Manual, 04/2013, A5E02526190021A/RS-AA/01
Table 7- 16 Typical circuit 16:
Two-hand operation, with cross-circuit detection, with autostart
• Autostart
• With cross-circuit detection
• 2 x single-channel
• Jumper T1/PAR for NC/NO evaluation
• Sensor: Two-hand NO/NO sensor
• 3SK112 Advanced
DIP switch
1 2 3 4
OFF
left
ON
right
OFF
left
—
PL in accordance with ISO 13849-1 e
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Safety Integrity Level (SILCL) to IEC
61508
3
For more information on two-hand operation, please refer to the chapter Two-hand
operation/synchronism (Page 36).