Pilz PNOZ c2 Bedienungsanleitung
PNOZc2
OperatingManual22212EN02
Safetyrelays
Preface
Thisdocumentisatranslationoftheoriginaldocument.
AllrightstothisdocumentationarereservedbyPilzGmbH&Co.KG.Copiesmaybemade
forinternalpurposes.Suggestionsandcommentsforimprovingthisdocumentationwillbe
gratefullyreceived.
Pilz®,PIT®,PMI®,PNOZ®,Primo®,PSEN®,PSS®,PVIS®,SafetyBUSp®,
SafetyEYE®,SafetyNETp®,thespiritofsafety®areregisteredandprotectedtrademarks
ofPilzGmbH&Co.KGinsomecountries.
SDmeansSecureDigital
Content
OperatingManualPNOZc2
22212EN02 3
Introduction 4
Validityofdocumentation 4
Retainingthedocumentation 4
Definitionofsymbols 4
Intendeduse 5
Foryoursafety 5
Unitfeatures 5
Safetyfeatures 6
Blockdiagram/terminalconfiguration 6
Functiondescription 6
Installation 7
Wiring 7
Preparingforoperation 7
Operation 9
Statusindicators 9
Faultsmalfunctions 9
Technicaldetails 9
Safetycharacteristicdata 12
Supplementarydata 13
Servicelifegraph 13
Orderreference 14
ECdeclarationofconformity 14
PNOZc2
OperatingManualPNOZc2
22212EN02 4
Introduction
Validityofdocumentation
ThisdocumentationisvalidfortheproductPNOZc2.Itisvaliduntilnewdocumentationis
published.
Thisoperatingmanualexplainsthefunctionandoperation,describestheinstallationand
providesguidelinesonhowtoconnecttheproduct.
Retainingthedocumentation
Thisdocumentationisintendedforinstructionandshouldberetainedforfuturereference.
Definitionofsymbols
Informationthatisparticularlyimportantisidentifiedasfollows:
DANGER!
Thiswarningmustbeheeded!Itwarnsofahazardoussituationthatposes
animmediatethreatofseriousinjuryanddeathandindicatespreventive
measuresthatcanbetaken.
WARNING!
Thiswarningmustbeheeded!Itwarnsofahazardoussituationthatcould
leadtoseriousinjuryanddeathandindicatespreventivemeasuresthatcan
betaken.
CAUTION!
Thisreferstoahazardthatcanleadtoalessseriousorminorinjuryplus
materialdamage,andalsoprovidesinformationonpreventivemeasures
thatcanbetaken.
NOTICE
Thisdescribesasituationinwhichtheproductordevicescouldbedam
agedandalsoprovidesinformationonpreventivemeasuresthatcanbe
taken.Italsohighlightsareaswithinthetextthatareofparticularimport
ance.
PNOZc2
OperatingManualPNOZc2
22212EN02 5
INFORMATION
Thisgivesadviceonapplicationsandprovidesinformationonspecialfea
tures.
Intendeduse
ThesafetyrelaymeetstherequirementsofEN6094751,EN602041andVDE01131
andmaybeusedinapplicationswithdualchannelpositiveswitchingOSSDssuchas
}periodicallytestedlightguardtype2inaccordancewithEN614961
}Lightguardtype4EN614961
}safesensorswithsemiconductoroutputs
Thesafetyrelayprovidesasafetyrelatedinterruptionofasafetycircuit.
Thefollowingisdeemedimproperuseinparticular:
}Anycomponent,technicalorelectricalmodificationtoaproduct
}Useofaproductoutsidetheareasdescribedintheproductdocumentation
}Anyusethatisnotinaccordancewiththedocumentedtechnicaldetails.
Foryoursafety
}Onlyinstallandcommissiontheunitifyouhavereadandunderstoodtheseoperating
instructionsandarefamiliarwiththeapplicableregulationsforhealthandsafetyatwork
andaccidentprevention.
EnsureVDEandlocalregulationsaremet,especiallythoserelatingtosafety.
}Anyguaranteeisrenderedinvalidifthehousingisopenedorunauthorisedmodifica
tionsarecarriedout.
}NoteforovervoltagecategoryIII:Ifvoltageshigherthanlowvoltage(>50VACor>120
VDC)arepresentontheunit,connectedcontrolelementsandsensorsmusthavea
ratedinsulationvoltageofatleast250V.
Unitfeatures
}Positiveguidedrelayoutputs:
– 2safetycontacts(N/O),instantaneous
}1semiconductoroutput(auxiliaryoutput)
}Connectionoptionsfor:
– Type2orType4lightguards
– safesensorswithsemiconductoroutputs(OSSD)
– Startbutton
}LEDdisplayfor:
– Supplyvoltage
– Switchstatuschannel1
– Switchstatuschannel2
PNOZc2
OperatingManualPNOZc2
22212EN02 6
Safetyfeatures
Therelaymeetsthefollowingsafetyrequirements:
}Thecircuitisredundantwithbuiltinselfmonitoring.
}Thesafetyfunctionremainseffectiveinthecaseofacomponentfailure.
}Thecorrectopeningandclosingofthesafetyfunctionrelaysistestedautomaticallyin
eachonoffcycle.
Blockdiagram/terminalconfiguration
*Insulationtothenonmarkedarea:Protectiveseparation(overvoltagecategoryIII),
Insulationofrelaycontactsagainsteachother:Basicinsulation(overvoltagecategoryIII),
protectiveseparation(overvoltagecategoryII)
Functiondescription
Whenthesupplyvoltageissupplied,the"POWER"LEDilluminates.Theunitisreadyfor
operationwhenthestartcircuitisclosedorwhenastartcontactisopenedandclosed
againinthestartcircuit.
}Highsignalatinputcircuit(e.g.lightguardnorinterrupted):Thesafetycontactsare
closedandthesemiconductoroutputtransmits.
}Lowsignalattheinputcircuit(e.g.lightguardisinterrupted):Thesafetycontactsare
openandthesemiconductoroutputisdeenergised.
}Dualchanneloperationwithoutdetectionofshortsacrosscontacts:redundantinputcir
cuit,detectsearthfaultsinthestartandinputcircuit.
}Automaticstart:Unitbecomesactiveassoonathereisahighsignalattheinputcircuit.
}Monitoredstart:Unitisactiveoncethereisahighsignalattheinputcircuitandthenthe
startcircuitisclosed.
}Increaseinthenumberofavailableinstantaneoussafetycontactsbyconnectingcon
tactexpandermodulesorexternalcontactors.
PNOZc2
OperatingManualPNOZc2
22212EN02 7
Installation
}TheunitshouldbeinstalledinacontrolcabinetwithaprotectiontypeofatleastIP54.
}UsethenotchontherearoftheunittoattachittoaDINrail.
}EnsuretheunitismountedsecurelyonaverticalDINrail(35mm)byusingafixingele
ment(e.g.retainingbracketoranendangle).
Wiring
Pleasenote:
}Informationgiveninthe"Technicaldetails"mustbefollowed.
}Outputs1314and2324aresafetycontacts,thesemiconductoroutputY32isanauxil
iaryoutput(e.g.fordisplay).
}SemiconductoroutputY32shouldnotbeusedforsafetycircuits!
}Topreventcontactwelding,afuseshouldbeconnectedbeforetheoutputcontacts(see
Technicaldetails).
}Usecopperwirethatcanwithstand60/75°C.
}Donotconnectcapacitiveload.
}Thepowersupplymustcomplywiththeregulationsforextralowvoltageswithprotect
iveelectricalseparation(SELV,PELV)inaccordancewithVDE0100,Part410.
INFORMATION
ThevoltageattheinputsS12,S22hastobeatleast24VDClessthelower
tolerancevalueofthesupplyvoltage(s.technicaldetails).Whenthevoltage
istoolow,increasethesupplyvoltageuntilatleastthelowertolerance
valueisreachedattheinputs.
Preparingforoperation
Supplyvoltage AC DC
A1 L+
A2 L-
Inputcircuit Singlechannel Dualchannel
Lightguardorsafesensorwith
detectionofshortsacrosscon
tactsandshortcircuitproof
OSSDs
A1
A1
A1
A2
A2
A2 S12
S22
24 V DC
GND
*
*
PNOZc2
OperatingManualPNOZc2
22212EN02 8
NOTICE
ItmustnotbepossibletodisconnectthesupplyvoltageofPNOZc2and
thesupplyvoltageforthesafesensororlightguardseparately.
*Whenoperatingwithalightguard:UsethefreeconnectionsA1andA2for
connectingthesupplyvoltageofthesender.
Startcircuit/feedbackloop Startcircuit Feedbackloop
automaticstart
monitoredstart
NOTICE
TheunitautomaticallystartswhenthestartcircuitS33S35isoverridden.
Useexternalcircuitmeasurestopreventanunexpectedrestart.
Semiconductoroutput
*Connecttogetherthe0Vconnectionsonalltheexternalpowersupplies
PNOZc2
OperatingManualPNOZc2
22212EN02 9
Operation
TheunitisreadyforoperationwhenthePowerLEDispermanentlylit.
LEDsindicatethestatusanderrorsduringoperation:
Statusindicators
Power
Supplyvoltageispresent.
CH.1
Safetycontactsofchannel1areclosed.
CH.2
Safetycontactsofchannel2areclosed.
Faultsmalfunctions
}Contactmalfunctions:Ifthecontactshavewelded,reactivationwillnotbepossibleafter
theinputcircuithasopened.
Technicaldetails
General 710002
Approvals CCC,CE,EAC(Eurasian),TÜV,cULusListed
Electricaldata 710002
Supplyvoltage
Voltage 24V
Kind DC
Voltagetolerance 20%/+20%
Outputofexternalpowersupply(DC) 3,0W
ResidualrippleDC 20%
Continuousduty 100%
Max.inrushcurrentimpulse
Currentpulse,A1 2,00A
Pulseduration,A1 4,0000ms
Currentpulse,inputcircuit 0,20A
Pulseduration,inputcircuit 70,0ms
Currentpulse,feedbackloop 0,15A
Pulseduration,feedbackloop 1,0ms
Currentpulse,startcircuit 0,15A
Pulseduration,startcircuit 1,0ms
Voltageat
InputcircuitDC 24,0V
StartcircuitDC 24,0V
FeedbackloopDC 24,0V
PNOZc2
OperatingManualPNOZc2
22212EN02 10
Electricaldata 710002
Currentat
InputcircuitDC 30,0mA
StartcircuitDC 40,0mA
Feedbackloop 40,0mA
Numberofoutputcontacts
Safetycontacts(N/O),instantaneous 2
Inputs 710002
Number 2
Semiconductoroutputs 710002
Number 1
Voltage 24,0V
Current 20mA
Relayoutputs 710002
Max.shortcircuitcurrentIK 1kA
Utilisationcategory
Inaccordancewiththestandard EN6094741
Safetycontacts,AC1at 240V
Max.current 3,0A
Min.current 0,01A
Max.power 750VA
Safetycontacts,DC1at 24V
Max.current 4,0A
Min.current 0,01A
Max.power 100W
Utilisationcategory
Inaccordancewiththestandard EN6094751
Safetycontacts,AC15at 230V
Max.current 1,5A
SafetycontactsDC13(6cycles/min)at 24V
Max.current 1,5A
UtilisationcategoryinaccordancewithUL
Voltage 240VACG.U.(samepolarity)
Withcurrent 3,0A
Voltage 24VDCG.U.
Withcurrent 4,0A
PilotDuty B300,R300
Contactfuseprotectionexternal,safetycontacts
Inaccordancewiththestandard EN6094751
Max.meltingintegral 66A²s
Blowoutfuse,quick 4A
Blowoutfuse,slow 3,15A
Blowoutfuse,gG 4A
Circuitbreaker,24VAC/DC,characteristicB/C 3A
Conventionalthermalcurrent 4,0A
Contactmaterial AgCuNi+0,2µmAu
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