User guide

PNOZs4
OperatingManualPNOZs4
21396EN13
8
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PushthedeviceupwardsordownwardsbeforeliftingitfromtheDINrail.
Wiring
Pleasenote:
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Informationgiveninthe"Technicaldetails"mustbefollowed.
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Outputs1314,2324,3334aresafetycontacts;output4142isanauxiliarycontact
(e.g.fordisplay).
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Auxiliarycontact4142andsemiconductoroutputY32shouldnotbeusedforsafety
circuits!
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Topreventcontactwelding,afuseshouldbeconnectedbeforetheoutputcontacts(see
technicaldetails).
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Calculationofthemax.cablelengthl
max
intheinputcircuit:
R
lmax
R
l
/ km
I
max
=
R
lmax
=max.overallcableresistance(seetechnicaldetails)
R
l
/km=cableresistance/km
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Usecopperwirethatcanwithstand60/75°C.
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Sufficientfuseprotectionmustbeprovidedonalloutputcontactswithcapacitiveandin
ductiveloads.
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WithU
B
48–240VAC/DC:ConnectS21totheprotectiveearthsystem
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Whenconnectingmagneticallyoperated,reedproximityswitches,ensurethatthemax.
peakinrushcurrent(ontheinputcircuit)doesnotoverloadtheproximityswitch.
Preparingforoperation
Operatingmodes
Theoperatingmodeissetviatherotaryswitchontheunit.Youcandothisbyopeningthe
coveronthefrontoftheunit.
NOTICE
Donotadjusttherotaryswitchduringoperation,otherwiseanerrormes
sagewillappear,thesafetycontactswillopenandtheunitwillnotbeready
foroperationuntilthesupplyvoltagehasbeenswitchedoffandthenon
again.
Setoperatingmodes
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Switchoffsupplyvoltage.
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Selectoperatingmodeviatheoperatingmodeselectorswitch"mode".
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Iftheoperatingmodeselectorswitch"mode"isinitsstartposition(verticalposition),an
errormessagewillappear.