Circuit diagrams
7.2 Typical circuits
3SK1 safety relays
120 Manual, 04/2013, A5E02526190021A/RS-AA/01
Table 7- 12 Typical circuit 12: 2 x single-channel, without cross-circuit detection, with monitored start
• 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 3 4
ON
right
OFF
left
OFF
left
—
Up to PL in accordance with ISO
13849-1
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Table 7- 13 Typical circuit 13: 2x single-channel, without cross-circuit detection, with autostart
• 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 3 4
OFF
left
OFF
left
OFF
left
—
Up to PL in accordance with ISO
13849-1
c
/
/
4
4Q
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4
0
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IEC 62061
1