Table 14-16 Typical circuit 16:
Two-hand operation with cross-circuit detection, with autostart
,173$5,1,1),167
$
$
,1.
/
4
4Q
$XWRVWDUW0RQLWRUHG6WDUW
&URVVIDXOWGHWHFWLRQ2))21
VLQJOHFKVHQVRUVGRXEOHFKVHQVRU
6WDUWXS7HVW\HVQR
6(75(6(7
4
4Q
0
• Autostart
• With cross-circuit detection
• 2 x single-channel
• Jumper T1/PAR for NC/NO evaluation
• Sensor: Two-hand NO/NO sensor
• 3SK112 / 3SK122 Advanced
DIP switch
1 2 3 4
OFF
Left
ON
Right
OFF
Left
—
PL in accordance with ISO 13849-1 e
Safety Integrity Level (SILCL) to IEC 61508 3
You can nd further information on two-hand operation in chapter Two-hand operation/
synchronism (Page 47).
Further information:
• SIRIUS Safety Integrated application manual (https://
support.industry.siemens.com/cs/ww/en/view/81366718)
• FAQs on 3SK1 (https://support.industry.siemens.com/cs/ww/en/ps/16382/faq)
Circuit diagrams
14.3 Typical circuits
SIRIUS 3SK1 Safety Relays and 3RQ1 Positively-Driven Coupling Relays
Equipment Manual, 05/2021, A5E02526190021A/RS-AE/005 221