
PNOZs4
OperatingManualPNOZs4
21396EN13
10
Lightbeamdeviceorsafety
switchwithdetectionof
shortsacrosscontactsvia
ESPE
(onlywhenU
B
=24VDC)
NOTICE
WhenusedasasafetycomponentinaccordancewithEN811:
– Theswitchthatisusedmustbedesignedasasafetyswitchinac
cordancewith14.1.2.2ofEN811,sothatafailuretoopenwhenen
ergisedisexcluded.
– Thesupplylinestothesafetyswitchmustbelaidinaccordancewith
13.5ofEN811sothatshortcircuitsthatwouldbridgethecontacts
intheswitchcanbeexcluded.
}
Resetcircuit/feedbackloop
Resetcircuit/feedbackloop Resetcircuit Feedbackloop
Automaticreset
K5
K6
K5
L1
N
K6
S12
13 (23,33)
S34
14 (24,34)
Manual/monitoredreset
K5
K6
K5
L1
K6
S12
S34
S3
N
13 (23,33)
14 (24,34)
}
Semiconductoroutput
U
B
24VDC U
B
48240VAC/DC
*Connecttogetherthe0Vconnectionsonall
theexternalpowersupplies
Legend
}
S1/S2:ESTOP/safetygateswitch
}
S3:Startbutton
}
:Switchoperated
}
:Gateopen
}
:Gateclosed
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