Siemens SIRIUS 3SK1 Equipment Manual page 216

Circuit diagrams
14.3 Typical circuits
Typical circuits for 3SK1 Standard solid-state basic units or 3SK1 Advanced basic units
Table 14-8 Typical circuit 8: EMERGENCY STOP two-channel, with cross-circuit detection, with monitored start
Table 14-9 Typical circuit 9: Two-channel, with cross-circuit detection, with autostart
216
• Monitored start
• With cross-circuit detection
• 1 x two-channel
• Sensor: 2 NC contacts
• 3SK1112 Standard solid-state and
3SK112 / 3SK122 Advanced
DIP switch
1 2
ON ON
Right Right
Up to PL in accordance with ISO 13849-1 e
Up to Safety Integrity Level (SILCL) to
IEC 62061
• Autostart
• With cross-circuit detection
• 1 x two-channel
• Sensor: 2 NC contacts
• 3SK1112 Standard solid-state and
3SK112 / 3SK122 Advanced
DIP switch
1 2
OFF ON
Left Right
Up to PL in accordance with ISO 13849-1 e
Up to Safety Integrity Level (SILCL) to
IEC 62061
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005
3 4
ON —
Right
3
3 4
ON —
Right
3