Pilz PNOZ s50 - Signal and Status Outputs

Functiondescription
OperatingManualPNOZs50
1002194EN02
21
Pleasenotethefixedallocationoftestpulsestothefollowinginputs:
}
T0pulsesthefeedbackloopY1
}
T1pulsesthefeedbackloopY2
ThetestpulseoutputsT0/T1areswitchedon(24V)in
}
"RUN"operatingstatus.
}
"I/OFault"operatingstatus(faultoninputsandoutputs).
ThetestpulseoutputsT0/T1areswitchedoff(0V)in
}
"Fault"operatingstatus(internalfault).
Thetestpulsescanbeswitchedonandoffviathedisplay.
}
Thedefaultsettingisfortestpulsestobeswitchedon.
}
Testpulseswillnotbeactiveintheeventofafault(I/OFaultandFault).
NOTICE
Thetestpulsescanonlybeactivatedsimultaneouslyforbothfeedback
loopsY1andY2.
4.2.6 SignalandstatusoutputsO3,O4,O5
Singlepolefailsafesemiconductoroutputssignaltheoperatingstatusoftheloadandindic
ateafault.
NOTICE
ThefaultsignaloutputO3mustbeevaluatedtogetherwithstatusoutputs
O4(ifO1+/O1isused)andO5(ifO2+/O2isused),ifthisisdemandedby
theplant/machine'ssafetyrequirements.Processingofthesesignalsis
usedtocheckthefeasibilityofthesignalstates.Evaluationofthesesignals
mustbesuitabletoachieveasafeconditionfortheapplication.
Faultsignaloutput O3
1 Nofault,LED"I/OFault"and"Fault"isoff
0 Fault,LED"I/OFault"or"Fault"islit
Statusoutputs
Theysignalthestatusofthe
loadonlyaftertheventilation
orapplicationtimehas
elapsed.
O4
1 LoadatO1+/O1ventilated
0 LoadatO1+/O1applied
O5
1 LoadatO2+/O2ventilated
0 LoadatO2+/O2applied