Examples
OperatingManualPNOZs50
1002194EN02
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8 Examples
8.1 Overview
ThischapterprovidesinformationonhowtoconnectthePNOZs50toasafetycontrolsys
tem.Theconnectionsillustratedareindependentofanyspecificcontrolsystem.
INFORMATION
Thefollowingexamplesareintendedtohelpyouconfiguretheapplication
usingthedisplay.
Thesesettingsandparametersshouldberegardedasexamplesettings.It's
possiblethatyourownspecificapplicationmayrequiredifferentsettingsor
parametersundercertaincircumstances.
CAUTION!
Whenconsideringtheexamples,pleasenotethatPilzacceptsnorespons
ibilityforthespecificapplication.Inparticular,theymaynotbeusedwithout
testingandapproval.
Theconstructorisresponsibleforcreatingappropriatesafetyconceptsfor
theoverallplantandforconnectiontothesafetycontrolsystem(including
configuration).Theapplicablestandardsandregulationsmustbecon
sideredandobserved.
Ineachcaseitisnecessarytoconsidertheinputandoutputrequirements
fromthechapterentitled"FunctionDescription".Thisisalsotruewhenus
ingtheappliedsafetycontrolsystems.
8.2 Mechanicalholdingbrake
8.2.1 Properties
PNOZs50
}
Safeactivationoftwoindependentmechanicalholdingbrakes
}
Ventilationandapplicationtimesaremonitored
}
Fastandslowshutdownofbothbrakes
}
FeedbackloopforbrakeB1ismonitoredviainputY1
}
FeedbackloopforbrakeB2ismonitoredviainputY2
}
Fuses
– F1:24VDC,4A,characteristicB/C
– F2:24VDC,10A,characteristicB/C