Siemens SIRIUS 3SK1

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
,1.,1,17,1),167

$

$
/
/
4
4Q
$XWRVWDUW0RQLWRUHG6WDUW
&URVVIDXOWGHWHFWLRQ2))21
VLQJOHFKVHQVRUVGRXEOHFKVHQVRU
6WDUWXS7HVW\HVQR
6(75(6(7




4
4Q
0
• 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 3 4
ON
Right
ON
Right
ON
Right
—
Up to PL in accordance with ISO 13849-1 e
Up to Safety Integrity Level (SILCL) to
IEC 62061
3
Table 14-9 Typical circuit 9: Two-channel, with cross-circuit detection, with autostart
,1.,1,17,1),167

$

$
/
/
4
4Q
$XWRVWDUW0RQLWRUHG6WDUW
&URVVIDXOWGHWHFWLRQ2))21
VLQJOHFKVHQVRUVGRXEOHFKVHQVRU
6WDUWXS7HVW\HVQR
6(75(6(7




4
4Q
0
• 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 3 4
OFF
Left
ON
Right
ON
Right
—
Up to PL in accordance with ISO 13849-1 e
Up to Safety Integrity Level (SILCL) to
IEC 62061
3
Circuit diagrams
14.3 Typical circuits
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
216 Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005