2 Product description
23
2.3.7
Electromechanical safety sensor or safety switch, 4-pole M12 connector
Safety switch or sensor with dry contacts equivalent, monitoring 1oo2
Parameters
Value
Connection example
Safety inputs
2 channels
Cross-fault detection
ON
Safety outputs
1 wire (PL d)
Monitoring time
10 s
Stable time
0.7 s
Safety classification
Inputs X1 & X2
−
up to Cat 4 / PL e / SIL 3
Output DO:
−
SCHMERSAL devices: BNS range, TESK, …
WARNING
For safety switchgear with dry contacts,
cross-fault detection must be activated !
Set Stable time 0.7 s and Monitoring time 10 s.
2.3.8
Electromechanical safety switch, 8-pole M12 connector
Safety switch with dry contacts equivalent, monitoring 1oo2
Parameters
Value
Connection example
Safety inputs
2 channels
Cross-fault detection
ON
Safety outputs
1 wire (PL d)
Monitoring time
10 s
Stable time
0.7 s
Safety classification
Inputs X1 & X2
−
up to Cat 4 / PL e / SIL 3
Output DO:
−
up to Cat 3 / PL d / SIL 2
SCHMERSAL devices: AZ range, PS range, BDF 100-NH(K), ZQ range, …
WARNING
For safety switchgear with dry contacts,
cross-fault detection must be activated !
Set Stable time 0.7 s and Monitoring time 10 s.