Pilz PSEN ml b 1.1 - Page 27

Connection to control systems and evaluation devices
Operating Manual PSEN ml b 1.1/2.1/2.2
1003884-EN-12
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Use in PL d (Cat. 3) applications
} 2-channel operation for safety inputs S31 and S41 (solenoid operation) via safe relay out-
puts
} 2-channel operation for safety inputs S31 and S41 (solenoid operation), each with 0.5A
} 2-channel processing of safety outputs
} Exclusion of shorts across signal cables through appropriate measures (e.g. protected
cable layout, see EN ISO 13849-2)
A1 A2
22
S31 S41
12
24 V 0 V
Lock/Unlock Request 2
Lock/Unlock Request 1
24 V
[1]
Safety control system
Activation of guard locking
PSEN ml
actuator
PSEN ml
safety switch
Legend
[1] Protected cable layout