Pilz PZE x4p - Wiring and Preparation; Wiring; Preparing for Operation

PZEX4P
OperatingManualPZEX4P
1003201EN08
7
Wiring
Pleasenote:
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Informationgiveninthe"Technicaldetails[ 9]"mustbefollowed.
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Theoutputs1314,2324,3334and4344aresafetycontacts.
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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runs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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Donotswitchlowcurrentsusingcontactsthathavebeenusedpreviouslywithhighcur
rents.
Preparingforoperation
Supplyvoltage AC DC
A1
A2
PZE
24 V DC
0 V
Inputcircuit Singlechannel Dualchannel
Baseunit:
SafetyrelayPNOZX
Drivenviasafetycontacts
A1
A2
PZE
24 V DC
0 V
Baseunit:
SafetyrelayPNOZmulti
Drivenviasemiconductoroutputs
(24VDC)
A1
PZE
A20 V
O1
L-
Feedbackloop Baseunit:SafetyrelayPNOZX Baseunit:SafetyrelayPNOZmulti
Y1,Y2andInputareinputson
thebaseunit;theyevaluatethe
feedbackloop