Pilz PNOZ s20 User manual

PNOZs20
OperatingManual1003324EN03
Safetyrelays

Preface
Thisdocumentisatranslationoftheoriginaldocument.
AllrightstothisdocumentationarereservedbyPilzGmbH&Co.KG.Copiesmaybemade
forinternalpurposes.Suggestionsandcommentsforimprovingthisdocumentationwillbe
gratefullyreceived.
Pilz®,PIT®,PMI®,PNOZ®,Primo®,PSEN®,PSS®,PVIS®,SafetyBUSp®,
SafetyEYE®,SafetyNETp®,thespiritofsafety®areregisteredandprotectedtrademarks
ofPilzGmbH&Co.KGinsomecountries.
SDmeansSecureDigital

Content
OperatingManualPNOZs20
1003324EN03 3
Introduction 4
Validityofdocumentation 4
Usingthedocumentation 4
Definitionofsymbols 4
Safety 5
Intendeduse 5
Safetyregulations 6
Safetyassessment 6
Useofqualifiedpersonnel 6
Warrantyandliability 6
Disposal 6
Unitfeatures 7
Safetyfeatures 7
Blockdiagram/terminalconfiguration 7
Functiondescription 8
Installation 8
Wiring 11
Preparingforoperation 11
Operation 12
Statusindicators 12
Faults–Interference 13
Dimensionsinmm 17
Technicaldetails 17
Safetycharacteristicdata 20
Removepluginterminals 21
Orderreference 21
ECdeclarationofconformity 21

PNOZs20
OperatingManualPNOZs20
1003324EN03 4
Introduction
Validityofdocumentation
ThisdocumentationisvalidfortheproductPNOZs20.Itisvaliduntilnewdocumentationis
published.
Thisoperatingmanualexplainsthefunctionandoperation,describestheinstallationand
providesguidelinesonhowtoconnecttheproduct.
Usingthedocumentation
Thisdocumentisintendedforinstruction.Onlyinstallandcommissiontheproductifyou
havereadandunderstoodthisdocument.Thedocumentshouldberetainedforfutureref
erence.
Definitionofsymbols
Informationthatisparticularlyimportantisidentifiedasfollows:
DANGER!
Thiswarningmustbeheeded!Itwarnsofahazardoussituationthatposes
animmediatethreatofseriousinjuryanddeathandindicatespreventive
measuresthatcanbetaken.
WARNING!
Thiswarningmustbeheeded!Itwarnsofahazardoussituationthatcould
leadtoseriousinjuryanddeathandindicatespreventivemeasuresthatcan
betaken.
CAUTION!
Thisreferstoahazardthatcanleadtoalessseriousorminorinjuryplus
materialdamage,andalsoprovidesinformationonpreventivemeasures
thatcanbetaken.
NOTICE
Thisdescribesasituationinwhichtheproductordevicescouldbedam
agedandalsoprovidesinformationonpreventivemeasuresthatcanbe
taken.Italsohighlightsareaswithinthetextthatareofparticularimport
ance.

PNOZs20
OperatingManualPNOZs20
1003324EN03 5
INFORMATION
Thisgivesadviceonapplicationsandprovidesinformationonspecialfea
tures.
Safety
Intendeduse
ThecontactexpansionmodulePNOZs20meetstherequirementsofEN6094751,
EN602041andVDE01131.Itisusedtoincreasethenumberofinstantaneoussafety
contactsavailableonabaseunit.
SafetylevelPLe(Cat.4)/SILCL3isonlyachievedifthesafetyoutputsuse2channelpro
cessing.
ThecategorythatcanbeachievedinaccordancewithENISO138491dependsonthe
categoryofthebaseunit.Thecontactexpansionmodulemaynotexceedthis.Onlyunits
witha24VDCsupplyvoltagemaybeusedasbaseunit.
WARNING!
Electricshock!
Ifabaseunitwithasupplyvoltagegreaterthan24VDCisusedandvoltage
isapplied,contactwithlivecomponentscouldresultinseriousorevenfatal
injuryfromanelectricshock.
Onlyusebaseunitswitha24VDCsupplyvoltage.
Thefollowingisdeemedimproperuseinparticular:
}Anycomponent,technicalorelectricalmodificationtotheproduct
}Useoftheproductoutsidetheareasdescribedinthismanual
}Useoftheproductoutsidethetechnicaldetails(seeTechnicaldetails[ 17]).
NOTICE
EMCcompliantelectricalinstallation
Theproductisdesignedforuseinanindustrialenvironment.Theproduct
maycauseinterferenceifinstalledinotherenvironments.Ifinstalledinother
environments,measuresshouldbetakentocomplywiththeapplicable
standardsanddirectivesfortherespectiveinstallationsitewithregardtoin
terference.

PNOZs20
OperatingManualPNOZs20
1003324EN03 6
Safetyregulations
Safetyassessment
Beforeusingaunititisnecessarytoperformasafetyassessmentinaccordancewiththe
MachineryDirective.
Functionalsafetyisguaranteedfortheproductasasinglecomponent.However,thisdoes
notguaranteethefunctionalsafetyoftheoverallplant/machine.Inordertoachievethere
quiredsafetylevelfortheoverallplant/machine,definethesafetyrequirementsforthe
plant/machineandthendefinehowthesemustbeimplementedfromatechnicalandorgan
isationalstandpoint.
Useofqualifiedpersonnel
Theproductsmayonlybeassembled,installed,programmed,commissioned,operated,
maintainedanddecommissionedbycompetentpersons.
Acompetentpersonissomeonewho,becauseoftheirtraining,experienceandcurrentpro
fessionalactivity,hasthespecialistknowledgerequiredtotest,assessandoperatethe
workequipment,devices,systems,plantandmachineryinaccordancewiththegeneral
standardsandguidelinesforsafetytechnology.
Itisthecompany’sresponsibilityonlytoemploypersonnelwho:
}Arefamiliarwiththebasicregulationsconcerninghealthandsafety/accidentpreven
tion
}Havereadandunderstoodtheinformationprovidedinthisdescriptionunder"Safety"
}Andhaveagoodknowledgeofthegenericandspecialiststandardsapplicabletothe
specificapplication.
Warrantyandliability
Allclaimstowarrantyandliabilitywillberenderedinvalidif
}Theproductwasusedcontrarytothepurposeforwhichitisintended
}Damagecanbeattributedtonothavingfollowedtheguidelinesinthemanual
}Operatingpersonnelarenotsuitablyqualified
}Anytypeofmodificationhasbeenmade(e.g.exchangingcomponentsonthePCB
boards,solderingworketc.).
Disposal
}Insafetyrelatedapplications,pleasecomplywiththemissiontimeTMinthesafetyre
latedcharacteristicdata.
}Whendecommissioning,pleasecomplywithlocalregulationsregardingthedisposalof
electronicdevices(e.g.ElectricalandElectronicEquipmentAct).

PNOZs20
OperatingManualPNOZs20
1003324EN03 7
Unitfeatures
}Semiconductoroutputs:
– 2safetyoutputsinstantaneous
– 1auxiliaryoutputinstantaneous
}Connectionoptionforexpansionmodules
}LEDdisplayfor:
– Supplyvoltage
– Switchstateofsafetyoutputs
– Inputstatechannel1/2
– Fault(seeFaults–Interference[ 13])
}Pluginconnectionterminals(eitherspringloadedterminalorscrewterminal)
}Seeorderreferenceforunittypes
Safetyfeatures
Thecontactexpansionmodulemeetsthefollowingsafetyrequirements:
}Ifthesafetyoutputsuse2channelprocessing,thesafetyfunctionremainseffective
eveninthecaseofacomponentfailure.
}Thecircuitisredundantwithbuiltinselfmonitoring.
}Thesafetyoutputsaretestedperiodicallyusinganofftest.
Blockdiagram/terminalconfiguration
Power
Logic
A1
14Y32 24
Interface
base
unit
Interface
expansion
module
750160
1000 00 1.0
P N O Z s 2 0
X 3 A1
X 4
14 2 4 Y32
750160
1000 00 1.0
P N O Z s 2 0
X 3
A1
X 4
14 2 4 Y32
Fig.:Centre:Frontviewwithcover,right:Frontviewwithoutcover

PNOZs20
OperatingManualPNOZs20
1003324EN03 8
Functiondescription
ThecontactexpansionmodulePNOZs20alsoprovidessafetyoutputs.Itisdrivenbya
baseunitPNOZsigma.
SeveralPNOZs20unitscanbeconnectedtothebaseunit(seeInstallation[ 8]).
Functionalprocedureaftersupplyvoltagehasbeenappliedandthebaseunit'ssafetycon
tactsareclosed:
}Thereisahighsignalatsafetyoutputs14and24andauxiliaryoutputY32.
}LEDs"IN1","IN2"and"Out"arelit.
Functionalprocedureifoneorbothofthebaseunit'ssafetycontactsopen:
}Thereisalowsignalatsafetyoutputs14and24andauxiliaryoutputY32.
}LEDs"IN1","IN2"and"Out"goout.
Thesafetyoutputswillnotswitchbacktoahighsignaluntilallthebaseunit'ssafetycon
tactsareopenandthenclosedagain.
Safetyoutputsarecheckedviaregularofftests.
}Max.durationofofftimeduringselftest,seeTechnicaldetails
}Safetyoutputsareswitchedoffforthedurationoftheofftimeduringtheselftest.
TheauxiliaryoutputY32displaysthestateofthesafetyoutputs.
Installation
Controlcabinetinstallation
}Thesafetyrelayshouldbeinstalledinacontrolcabinetwithaprotectiontypeofatleast
IP54.
}UsethenotchontherearoftheunittoattachittoaDINrail.
}EnsuretheunitismountedsecurelyonaverticalDINrail(35mm)byusingafixingele
ment(e.g.retainingbracketoranendangle).
PushtheunitupwardsordownwardsbeforeliftingitfromtheDINrail.
ConnectthebaseunitandcontactexpansionmodulePNOZs20
}Removetheplugterminatoratthesideofthebaseunitandattheleftofthecontactex
pansionmodule.
}Connectthebaseunitandthecontactexpansionmoduleusingtheconnectorsupplied,
beforemountingtheunitstotheDINrail.
ConnectthecontactexpansionmodulePNOZs20tothecontactexpansionmodules
PNOZsigma
}Connectthecontactexpansionmodulesusingtheconnectorssupplied.
}Fittheterminatortothemoduleontheright.
}Expansionoptionsaredescribedinthefollowingtable.

PNOZs20
OperatingManualPNOZs20
1003324EN03 9
Expansionoptions
Considerthemax.powerconsumptionofallthe
unitsusedintheapplication
[1]:BaseunitPNOZs3/s4/s4.1/s5/s6/s6.1
[2]:Upto5contactexpansionmodulesPNOZs20
(finalblockwithterminator)
PNOZsigma base unit
PNOZsigma expansion
module s20
PNOZsigma expansion
module s20
[1] [2]
[1]:BaseunitPNOZsigma
[2]:ContactexpansionmodulePNOZs7.1
[3]*:Upto10contactexpansionmodulesPNOZs20
(finalblockwithterminator)
PNOZsigma base unit
PNOZsigma expansion
module s20
PNOZsigma expansion
module s7.1
PNOZsigma expansion
module s20
[1] [2] [3]
[1]:BaseunitPNOZsigma
[2]:OnecontactexpansionmodulePNOZs7.1and
upto9contactexpansionmodulesPNOZs20
[3]:ContactexpansionmodulePNOZs7.1
[4]*:Upto10contactexpansionmodulesPNOZs20
(finalblockwithterminator)
[1] [2] [3] [4]
PNOZsigma base unit
PNOZsigma expansion
module s7.1
PNOZsigma expansion
module s7.1
PNOZsigma expansion
module s20
PNOZsigma expansion
module s20
PNOZsigma expansion
module s20

PNOZs20
OperatingManualPNOZs20
1003324EN03 10
Expansionoptions
Considerthemax.powerconsumptionofallthe
unitsusedintheapplication
[1]:BaseunitPNOZsigma
[2]:OnecontactexpansionmodulePNOZs7.1and
upto9contactexpansionmodulesPNOZs20
[3]:ContactexpansionmodulePNOZs7.1
[4]:*Upto10contactexpansionmodulesPNOZs7.2
(finalblockwithterminator)
[1] [2] [3] [4]
PNOZsigma base unit
PNOZsigma expansion
module s7.1
PNOZsigma expansion
module s7.1
PNOZsigma expansion
module s20
PNOZsigma expansion
module s7.2
PNOZsigma expansion
module s7.2
[1]:BaseunitPNOZsigma
[2]:OnecontactexpansionmodulePNOZs7.1and
upto9contactexpansionmodulesPNOZs7.2
[3]:ContactexpansionmodulePNOZs7.1
[4]*:Upto10contactexpansionmodulesPNOZs20
(finalblockwithterminator)
[1] [2] [3] [4]
PNOZsigma base unit
PNOZsigma expansion
module s7.1
PNOZsigma expansion
module s7.1
PNOZsigma expansion
module s7.2
PNOZsigma expansion
module s20
PNOZsigma expansion
module s20
*)Alternatively,oneofthefollowingunitscanbeusedasthefinalexpansionblock:
}PNOZs7
}PNOZs8
}PNOZs9
}PNOZs10
}PNOZs11
Theseunitssometimesrequiremorepowerthantheunitscombinedinthetable.Ifthe
maximumpowerconsumptionofallexpansionmodulesisexceeded(seethetechnicalde
tailsoftherespectivedevices),youwillneedtoreducethenumberofconnectedPNOZs20
orPNOZs7.2units.
Example:
UseofPNOZs10withapowerconsumptionof3W
Themax.numberofexpansionmodulesPNOZs20orPNOZs7.2isreducedby2:
}1unit,inordertocomplywiththemax.powerconsumptionand
}1unit,whichisreplacedbyPNOZs10