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首页 欧姆龙(OMRON) 通用继电器选型手册

欧姆龙(OMRON) 通用继电器选型手册.pdf

欧姆龙(OMRON) 通用继电器选型手册

dudu
2011-09-03 0人阅读 举报 0 0 0 暂无简介

简介:本文档为《欧姆龙(OMRON) 通用继电器选型手册pdf》,可适用于工程科技领域

GeneralpurposeRelaysandPowerRelaysCatNoXEACatNoXEAGeneralpurposeRelaysandPowerRelaysAuthorizedDistributor:PrintedinJapanM(A)CatNoXEAOMRONCorporationIntheinterestofproductimprovement,specificationsaresubjecttochangewithoutnoticeandwithoutourobligationShiokojiHorikawa,Shimogyoku,Kyoto,JapanIndustrialAutomationCompanyIndustrialDevicesandComponentsDivisionHQIndustrialControlComponentsDivisionTel:()Fax:()ElectronicComponentsCompanyElectronicMechanicalComponentsDivisionHQCCPowerRelayDivisionTel:()Fax:()GeneralPurposeRelayDivisionTel:()Fax:()OMRON,aglobalyetlocalcompany,committedtocontributingtolocalcommunitiesaroundtheworldTrulyglobalcompanies,likeOMRON,understandthatdifferentregionsaroundtheworldlikethepeoplethatinhabitthemhavedifferentneeds,concernsandambitionsTobestmeetthesedifferentneeds,OMRONhaspositioneditselftobetterunderstandandrespondtothelocalneedsofitscustomersinfivemajorregions:NorthAmerica,Europe,AsiaPacific,ChinaandJapanEachregionmaintainsindependent,yethighlyintegrated,sales,technicalsupport,productdevelopment,andmanufacturingresourcestomeettheneedsoflocalcommunitiesWecallitourMultiLocalstrategy,anditiswherethetruevalueofOMRONliesThisstrategyformsthefoundationofOMRON'scorebeliefinbuildingfirmrootswithinthecommunitiesitservesprovidingemploymentandreturningprofitsItisthiscorebeliefthatguidesOMRON'sbusinessexpansionthroughouttheworldOMRONMalaysiaOMRONIndonesiaOMRONKumamoto,JapanOMRONTakeo,JapanDateofestablishmentAPR'Numberofemployees(asofJUNE')ModelsproducedGT,GA,GA,GAK,GL,MM,MMK,GJ,GB,GD,GQ,GB,GS,GSDateofestablishmentAPR'Numberofemployees(asofJULY')ModelsproducedGRS,MY,MYK,LY,GF,GB,SocketDateofestablishmentFEB'Numberofemployees(asofJULY')ModelsproducedMKIS,LY,GL,SocketDateofestablishmentJAN'Numberofemployees(asofJUNE')ModelsproducedSocketDateofestablishmentMARCH'Numberofemployees(asofMAY')ModelsproducedMY,SocketOMRONShenZhenCONTENTSTechnicalInformationStandardsSelectionGuideControlPanelRelaysMYNewmodelMYMYHMYKLYGRSMKISGTGAGAGAKMMMMKBuiltinRelaysGJGLGFGBTerminalRelaysGDFBGDZFBGBNDSpecialPurposeRelaysGQGBSafetyRelayGSASafetyRelayUnitGSASocketsSocketsGeneralpurposeRelaysandPowerRelaysTechnicalInformationGeneralpurposeRelaysandPowerRelaysTechnicalInformation■ClassificationbyBasicOperatingandHousing)FullySealedRelaysTheFullySealedRelayisofasimpleconstruction,inwhichtheRelayisplacedinaplasticcaseThegapsbetweenthecaseandtheRelayterminals,andbetweentheterminalsandterminalblock(base),aresealedwithepoxyresin()ThereisnoproblemiftheRelayisusedonaflatsurfaceHowever,asmuchaspossible,useitinanatmosphericpressureof,mb±()TheFullySealedRelaycanbeimmersedforcleaningNotethatthesealingofthecaseandthesectionfilledwithresinaredegradedifsolderfluxadheres,orifheatisgeneratedattheterminalsDuetoitssimpleconstruction,theFullySealedRelayisnotsuitableforapplicationsinanenvironmentorinstallationlocationthatrequiresaparticularlyhighlevelofsealingForapplicationsinanatmospherecontainingflammableorexplosivegases,usetheHermeticallySealedRelay)LatchingRelaysTheseLatchingRelayskeepresidualmagnetism(MYK,GAK,etc)•Avoiduseinplaceswheretherearealotofmagneticparticlesordust•Avoidusinginamagneticfield(ofoerstedorgreater)•GivesufficientconsiderationtothevibrationandshockproducedbyotherRelayswhentheycloseandrelease•AcontinuousflowofcurrentispossiblethroughthesetandresetcoilsHowever,avoidapplyingvoltagetothesetcoilandtheresetcoilatthesametime•AvoiduseunderconditionswheretherearemanysurgesinthepowersupplyClassificationitemRepresentativemodelsFeaturesGeneralpurposeRelaysGeneralpurposeRelaysThecontactsoftheseRelaysinstantaneouslyturnONwhenthecoilisenergized,andturnOFFwhenthecoilisdeenergizedTheseRelaysdonothaveanyspecialfunctionsFullySealedRelays)TheRelaymechanismisencapsulatedinaplasticcase,withtheterminalsandterminalblocksealedbyepoxyresinPowerRelaysTheseRelaysareintendedtoswitchheavyloadsSpecialpurposeRelaysLatchingRelays)ThecontactsoftheseRelaysaremagneticallyormechanicallylockedineithertheenergizedorthedeenergizedpositionuntilaresetsignalisinputSinglewindinganddoublewindingcoilsareavailableforapplyingsetorresetpulsevoltageRatchetRelaysandSteppingRelays)ThecontactsofRatchetRelaysalternatelyturnONandOFF,orsequentiallyoperate,whenapulsesignalisinputThecontactsofSteppingRelaysshiftONorOFFsequentiallywitheachinputpulseMYLYGAMKISGRSGAGFGBGLGJMYKGAKGQGBTerminalBaseSealedwithepoxyresin,etcPlasticcaseGeneralpurposeRelaysandPowerRelaysTechnicalInformation•WhenalargenumberofRelaysaremountedinarow,makesurethattheminimummountingintervalshavebeenobservedbetweenthevarioustypesofRelays•Relaysaredeliveredintheresetcondition,butwerecommendthattheresetvoltagebeappliedbeforeuseasastartingprocedure•Whenadiodeisconnectedinthecircuit,externalnoiseandsurgesmustbetakenintoaccountfortherepetitivepeakreversevoltageandtheDCreversevoltage,andadiodewithsufficientcapacityusedAlso,anaveragerectificationcurrentthatislargerthanthecoilcurrentshouldbeused•ExcitationwithselfcontactsmaynotbekeptnormallyAvoiduseincircuitssuchastheonesshowninthediagramsbelow•WhenDCspecificationsareusedincircuitssuchasthefollowing,thelatchingmaybelostandsoadiodeshouldbeconnected(asthepartmarkedDinthecircuitdiagram)orthecircuitshouldbemodified,oraLatchingRelaywithbuiltindiodeusedNotesonCircuitMechanicalLatchingRelay(ModelMMK,etc)WheninstallingmorethanoneLatchingRelaysidebyside,provideasufficientdistancebetweentwoadjacentRelaysforefficientheatradiationProvideadistanceofaboutmmintheverticaldirectionandaboutmminthehorizontaldirectionAveryslightgapisprovidedinthelockingsectionofaMechanicalLatchingRelayTherefore,theresistancesofthistypeofRelaytovibrationandshockareslightlyinferiortostandardLatchingRelaysDonotapplyavoltagetothesetandresetcoilsatthesametimeIfthishappens,theRelaywillbeset)BasicOperationofRatchetRelaysandSteppingRelaysNote:Fordetails,consultOMRON■ClassificationbyCoilRatingsExceptforafewmodels,twotypesofRelaycoilsareavailable:ACoperatedandDCoperatedXbXLLoadXL:LatchingRelayXb:NCcontactofRelayIncorrectCircuitconnectingtworesetcoilsinparallelCircuitconnectingsetcoiltoresetcoilCircuitconnectingtwosetcoilsinparallelCircuitconnectingsetcoilofLatchingRelayinparallelwithanotherRelaycoilModelBasiccircuitOperationpatternOutlineDoublewindingLatchingRelaysModelMYKModelGAKModelMKKModelMMKIntheseRelays,theinputpulseofthesetcoilcausestheoperatingconditiontobemaintainedmagneticallyormechanically,whereastheinputpulsetotheresetcoilsideputstheRelayintotheresetconditionRatchetRelayIntheseRelays,theinputpulseofthesetcoilcausestheoperatingconditiontobemaintainedmechanically,andsimilarly,theinputpulseoftheresetcoilmaintainstheresetconditionThesetandresetcontactsarealternatelyswitchedONandOFFSteppingRelaysIntheseRelays,thecontactsshiftONorOFFsequentiallywitheachcoilinputpulseLoadALoadBLoadCLoadDInputCoilinputLoadALoadBLoadCLoadDCoilvoltageACVVVVVVVVVDCVVVVVVVVGeneralpurposeRelaysandPowerRelaysTechnicalInformation■ClassificationbytheBuiltinNoiseAbsorptionCircuitSomeRelaysareprovidedwithabuiltinelementwhichabsorbsthecounterelectromotiveforcegeneratedwhenthecoilisswitchedOFFTheseRelaysareidealforinterfacingCPUs,PCs,andmicrocomputersThereleasetimeoftheseRelaysislongerthanthatoftheGeneralRelay,asshowninthediagrambelow■ClassificationbyOperationIndicatorSomeRelaysareprovidedwithanoperationindicatorthatshowstheoperationstateoftheRelays,eitherbyalightingelement,suchasanLED,neonlamp,orincandescentlamp,orbymechanicalmeansByshowingtheirexactstatesataglance,thesetypesofRelaysgreatlyfacilitatemaintenanceandtroubleshootingNoiseabsorberCoilwaveformModelDiode(forDCoperationonly)MY,LY,GA,MKP,MMPCRcircuit(forACoperationonly)MY,LYDONOFFVONOFFBreakdownvoltage:,V,VDCforwardcurrent:ATodigitalmemoryWithModelMY(breakdownvoltageofdiode:,V)StandardtypeBuiltindiodetypeVDCTodigitalmemoryWithModelMYStandardtypeBuiltinRCcircuittypeVmsecVVVmsecVACTodigitalmemoryVACC=µFR=ΩIndicationmethodRemarksModelBuiltinindicatorMY,LY,GA,MKPMechanicalindicatorAnindicationplatemovesaccordingtothemovementofthearmatureMY(Newmodel),MYK,GA(K),MKP,MKKPLEDNeonlampIncadlampGeneralpurposeRelaysandPowerRelaysTechnicalInformation■ClassificationbyContact•Generally,contactratingsaregivenbasedonaresistiveloadandaninductiveload(cosφ=orLR=ms)TheformandmaterialofthecontacthavealsobeenlistedtoaidinyourselectionofanoptimumRelaytakingintoaccounttherequiredservicelifealongwiththeload•WhenRelaysareusedatverysmallloadlevels,theerrorratewilldiffergreatlydependingonthecontactmaterialandthecontactmethod,asshowninthechartbelowForexample,theerrorrateofbifurcatedcontactsislowerthanthatofsinglecontacts,becausetheexpectationofparallelredundancyishigh•WhentheloadisaDCpowersupplyandthecurrentishigh,aswitchingerrormayarisefromtheconnectionandshortingofthearcingcontacts,becausetheexpectationofparallelredundancyishigh•WhentheloadisaDCpowersupplyandthecurrentishigh,aswitchingerrormayarisefromtheconnectionandshortingofthearcingcontactsTheMMSeriesofArcMagneticBlowoutRelayswithbuiltinpermanentmagnetsareavailableforsuchconditionsExample:ModelMMXPRatedloadVDC,A(LR=)VDC,A(LR=ms)•ErrorRateVsLoadCurrentErrorrate(−failureoperation)GoldplatedsinglecontactGoldplatedbifurcatedcontactGoldcladbifurcatedcrossbarcontactVDC(constant)Loadcurrent(mA)GeneralpurposeRelaysandPowerRelaysTechnicalInformation■ClassificationbySealingOMRONRelaysaredividedintothefollowingthreetypes,byclassifyingtheirsealing■ClassificationbyTerminalThefollowingsixtypesofterminalsareavailable•SomequickconnectterminalscanbeusedwithFastonreceptaclesandpositivelockconnectorsExample:GF,GB,andGL■ClassificationbyMountingStyleSelectthemountingstylebestsuitedtoyourapplicationfromthefollowingfourRelaymountingstylesClassificationOpenRelaysCasedRelaysFullySealedRelaysRepresentativemodelConstructionThisRelayconstructiondoesnotprotecttheRelayfromcontactwithorpenetrationbyforeignobjectsThisRelayconstructionsuppressestheadverseeffectsofdustontheRelaywhenitmustbeusedinadustylocationTheseRelaysaresealedinaresincase,orcover,sothatitisdifficultforatmospherescontainingcorrosivegasestoaffecttheRelayOperatingatmosphereNormalatmosphere•Inanatmospherecontainingorganicgasessuchasammoniaorhydrogensulfide•Onthecontrolpanelformachinetoolswhichproducequantitiesofdustandoil•Interminalequipmentinstalledatalocationwheremanypeoplemoveabout,creatingadustyatmosphere•Inautomaticvendingmachinesandshowcasesinstalledoutdoors•WhentheRelayissolderedonaPCBboardwhichistobeimmersedforcleaningMMMYGAItemSolderterminalScrewterminalOctalpinterminalQuickconnectterminalWirewrapterminalDenotesPCBterminalTerminalformRepresentativeRelayMY,MYK,LY,GA,GAKMM,GL,GJMK,MM,GQLY,GF,GL,GB,GJSocketPY,PT,PLMY,MYK,LY,MK,GA,GA,GAK,GL,GJClassificationSocketmountingScrewmountingBracketmountingPCBmountingTerminalformRepresentativeRelaysMY,MK,GRS,LY,MM,GA,GQ,GL,GSMY,LY,GF,GB,GLGL,GJMY,LY,GA,GLBackconnectingSocketFrontconnectingSocketSpecialmountingbracketGeneralpurposeRelaysandPowerRelaysTechnicalInformation■GlossaryContactsContactFormThecontactmechanismoftheRelayNumberofContactPolesThenumberofcontactcircuitsRatedLoadTheratedloadofthecontactoftheRelay,whichdeterminesthecharacteristicperformanceofthecontactoftheRelay,isexpressedbytheswitchingvoltageandswitchingcurrentMaximumSwitchingVoltageTheswitchingvoltageoftheRelaydeterminesthecharacteristicperformanceofthecontactoftheRelayDonotapplyvoltagethatexceedsthemaximumswitchingvoltageoftheRelayCarryCurrentThevalueofthecurrentwhichcanbecontinuouslyappliedtotheRelaycontactswithoutopeningorclosingthem,whichalsoallowstheRelaytostaywithinthepermissibletemperatureriselimitMaximumSwitching(Contact)CurrentAcurrentwhichservesasareferenceindeterminingtheperformanceoftheRelaycontactsThisvaluewillneverexceedthecarrycurrentWhenusingaRelay,plannottoexceedthisvalueContactResistanceThetotalresistanceoftheconductor,whichincludesspecificresistivities,suchasofthearmatureandterminal,andtheresistanceofthecontactsThisvalueisdeterminedbymeasuringthevoltagedropacrossthecontactsbytheallowedtestcurrentshowninthetablebelowTestCurrentTomeasurethecontactresistance,amilliohmmetercanbealsoused,thoughtheaccuracydropsslightlyContactSymbolMakebeforebreakContactAcontactarrangementinwhichpartoftheswitchingsectionissharedbetweenbothanNOandanNCcontactWhentheRelayoperatesorreleases,thecontactthatclosesthecircuitoperatesbeforethecontactthatopensthecircuitreleasesThusboththecontactsareclosedmomentarilyatthesametimeMaximumSwitchingPowerThemaximumcapacityvalueoftheloadwhichcanbeswitchedwithoutcausingproblemsofmaterialbreakdownandorelectricaloverloadWhenusingaRelay,becarefulnottoexceedthisvalueForexample,whenswitchingvoltageVisknown,maxswitchingcurrentIcanbeobtainedatthepointofintersectiononthecharacteristiccurve“Maximumswitchingpower”belowConversely,maxswitchingvoltageVcanbeoperatedifIisknownForinstance,iftheswitchingvoltage=V,themaxswitchingcurrent=A(seecircledpointongraph)Ratedcurrentorswitchedcurrent(A)Testcurrent(mA)orhigherbutlessthanorhigherbutlessthanorhigher,Powersource(DCorAC)RelayTerminalTerminalAmmeterVoltmeterVariableresistorNOcontactNCcontactSPDTcontactDoublebreakNOcontactDoublebreakNOcontactMakebeforebreakcontactWipercontactLatchingRelaycontactRatchetRelaycontactMaxswitchingcurrent(I)=Switchingvoltage(V)MaximumswitchingpowerW(VA)Switchingvoltage(

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