Siemens SIRIUS 3SK1

Typical circuits for 3SK1 Advanced basic units only
Table 14-14 Typical circuit 14:
1NC/1NO sensor, with cross-circuit detection, with monitored start
,173$5,1,1),167

$

$
,1.
/
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
• Jumper T1/PAR for NC/NO evaluation
• Sensor: NC/NO sensor
• 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 61508
3
Table 14-15 Typical circuit 15:
1NC/1NO sensor, with cross-circuit detection, with autostart
,173$5,1 ,1),167

$

$
,1.
/
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
• Jumper T1/PAR for NC/NO evaluation
• Sensor: NC/NO sensor
• 3SK112 / 3SK122 Advanced
DIP switch
1 2 3 4
OFF
Left
ON
Right
ON
Right
—
PL in accordance with ISO 13849-1 e
Safety Integrity Level (SILCL) to IEC 61508 3
Circuit diagrams
14.3 Typical circuits
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
220 Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005