1、IEC61784-2-21Edition1.02023-05INTERNATIONA1.STANDARDNORMEINTERNATIONA1.EIworks-Profi1.es-Part2-21:Additiona1.rea1.-timefie1.dbusprofi1.esbasedonISO/IEC/IEEE8802-3-CPF21Reseauxindustrie1.s-Profi1.s-Partie2-21:Profi1.sdebusdeterrainSupp1.ementairespourIesreseauxentempsree1.fondessur1.ISOIECIEEE8802-3-
2、CPF21THISPUB1.ICATIONISCOPYRIGHTPROTECTEDCoPyright2023IEC1Geneva,Switzer1.andAJ1.rightsreserved.UnteesO1.herWigespecified,nopartofthisPUb1.iCamaybereproducedoruti1.izedinanyformOfAanymeans,e1.ectronicormeca11opyigandmcro1.m,WnhoSpermissioninwntngfromeitherIECofIECmemberNationa1.CommieinIhecountryoft
3、herequester.IfyouhaveanyquestionsaboutIECcopyrighthaveanenquiryaboutOb1.aningancona1.rightStoth*sPUbtCagn.pte-ascontacttheaddressM11oryour1.oca1.IECmc11crNatKX1.a1.Conwfxfurtherinformation.DratScfereproductionresev6s.Sau1.indicationcontrafe.aucunpartdeCe1.tepW1.cat1.onepeut4ereprojt1.uisesousque1.qu
4、formeqmcSOntparaucupcd,tro11iqueoumcaw.ycomp11sIaPhOtOeOa81.tesmicrofi1.ms,sa11saccorcitoi1.doIECouduCOmWnaborv1.doHECduPaySdudcma11ckr.SiVOUSavezdosQjas1.ionssurCCPyright01.,IECxj9voussirczobcnrJcsdrotssupp1.6mcntaircs$urcstore.iec.ch,advsearch1ormThadvancedsearchenab1.estostore.1.ec.ch,justpub1.*s
5、hedStayuptoda1.eona1.1.newIECPUd1.CaUOs.JustPuMsheddetai1.sa1.1.newpub1.icationsreteased.Avai1.ab1.eon1.ineandonceamonthWemai1.IECCustomerServiceCentrewebstore.iec.chcscHyouwishtog2USyourIccdtxickOathispuWicatio11xneedIUrthMass61.auptoda1.eco11w11ttaordtoyrneeds.E1.frctroped-WwWqIeCIroPedia.orgThewo
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7、desNormeeintecnabona1.espourtoutCequiaIraA合I,derici1.6.91.*6ectrofque&auxIeChnaogiegaarenes.Apropodespub1.icationsIEC1.cCOnwnUtechniquedcsPUbIjCMionSIEC。以co11sta11vncntrvuVcui1.tezvousassurorquovousposs4dez1.ditionIap1.us伯Cerrtaucorrigendumouamencfementeutavoireipub1.Recherchedepub1.icationsIEC-webs
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11、t*S9gvCsiescrUg8debCoFBcCnE1.Mh:4E2”HcnjruCONTENTSFOREWORD3INTRODUCTION51 Scope62 Normativereferences63 Terms.A1irwt1.ots.abbreviatedterms,acronyms,andconventions73.1 Termsanddefinitions73.2 Abbreviatedtermsandacronyms83.3 Symbo1.s83.4 Conventions94 CPF21(F-RTECommuncationprofi1.es104.Genera1.overvi
12、ew1042CP21/1104.21 Physica1.1.ayer104.22 Data-Iink1.ayer104.23 APPfcCa竹On1.ayer134.24 Performancei11dcatorse1.ection17Bib1.iography25Figure1-Protoco1.stackforTypo26IieWbus11TaWe1-CPF21symbo1.s9TaWc2-CPF21:Overviewofprofi1.eSOtS10Tab43-D1.-Iayerpir-100MbiVs)24TaWe14-CP21/1ConsistentSOt01PtoforCM1,CM2
13、andCM3Erate=100KOVS24TaWe15-CP21/1:ConsistentsetofP1.sforCM1.CM2andCN43(Erme三1000Mbits)24ImissionINDUSTRIA1.NETWORKS-Profi1.es-Part2-21:Additiona1.rea1.-timefie1.dbusprofi1.esbasedonIS0.1ECIEEE8802-3-CPF21FOREWORDUThe1.11ematxaE1.ectro1.echnica1.Commssion(IEC)ISaWO1.IdWioeorganizationforstarJafza6on
14、comprisinga11nationa1.etec!romittees(IECNationa1.Commieiees).Theobject&IECistotomoeirena!ionaico-operationona1.1.questionsconcerningstandardizationnthee1.ec1.rca1.ande1.ectronicIiMs.TotheendandinJIddnkXItootheractrviics.IECpuWshcsInternationa1.Standards.Tt11ca1.SpccHkiartkxisTixtinica1.Reports.PUbIi
15、CbAvai1.aMeSpecincaUons(PAS)andGudes(hereaherreferredtoasIECPUMCahONS门.Theuprcpara1.ksCntrUStodIotochnimittocs;anyIECNationa1.Committoci11tcrcs!odinthesubjectdea1.twthmaypartiopaienthspreparakxyworkInternationa1.,goeenbetweenthetwoOcganizatione.2)Thekxma1.(fec&onsoragreementsofIEContechnica1.matters
16、express,asnear1.yaspossib1.e,anIn1.eEaItona1.consensusoopinionontherHva11tsubjoctssinceOOCmitteehasroprosc11tabo11fromainvestedIECNatkxia1.Comrmnees.31IECPub1.icationshave1bIormofrecommendatxxiskxinternationa1.useandareacceptedbyIECNaionaJCommitteesinIMIsense.Witea1.1.reasonab1.eeffortsaremadetoensu
17、reIha!Ihetechnica1.oonientofIECPub1.icationsisacjra.IECcannotbeMdresponsib1.efortewayinWh1.Chtheyareusedorforanymisinpru6onbyanyenduser.4Inordertopfomoieinthemaximumextentpossb1.intheirnationa1.andr6gxa1.PUbICat1.Ons.Anydrcerge8betvenanyIECPubicabonandthecorrespondingnationa1.OCregiona1.pubicatksha1
18、1.bedcartyindeaxxiinthe1.atters) IECItse1.tdoesnotpvkJeanya11estat)o1.contormity.IndependentCertdca!onbodiesprovideconkxmityassessmentservicesand.insomeareasaccesstoIECmarksofco11xnrtyIECis11o1.responsiveforanyservicescarriedoutbyideendenCertifiCationbodies.t) AJIusersshou1.densurethattheyhavethe1.
19、atesteditionottspub1.ication.7No*abtysha1.1.attach10IECOrnBdirectors,emp1.oyesSerVaESoragentsrdngindividua1.expertsandmemberscmitteesandIECNationa1.Comfnnieesforanypersona1.injury,propertydamageOCihfdamageofanynatureMa1.SoeVeCwhetherdirectorIndkeC1.orfxsts(Indudng1.ega1.teesandarisingoutoftheXbiiShO
20、museIhQpossibi1.itythatsomeotthedementso1thisIECPuttcaDomaybeWeSUbao1.P窗Etrghis1.CShMnotbehe1.dresponsiveforidentifyinganyora1.1.suchpatentrights.Attentionisdrawntothefactthattheuseofsomeoftheassociatedprotoco1.typesisrestrictedbytheirmte1.tectua1.poporty-6gh1.ho1.dersIna1.1.cases,thecomtmtmonito1.i
21、mitedre1.easeoito1.1.cctua1.propedyrightsmadebytheho1.dersofthoserightspermitsa1.ayerprotoco1.typetobeusedwithother1.ayerpotoco4softhesame1.ye,orinO1.hertypeCombenabonSepfecit1.yauthorizedbytheirrespectiveinte1.1.ectua1.propertyrightho1.ers.NOTECombinationscprpaton-reqserviceandtheproto1.;- Extended
22、network-parameter-readSerSCeandtheprotoco1.;- Extendednetwk-parameter-wnteserveeandtheprotsap股盛SMr呢蛇加制而曳的曲WinditedSTBWnrtNonRTEbandwidth而讲出林Ib隧忌临The1.anguageusedforthe避购feme叫Signa1.propagatkxddayonthecaMosegment#iThisdocumentwasdraftedirectives.Pad2,anddeve1.opedin1.CSUPP1.aEen1.avadabi嶙XXdaEacrdan
23、cewithISO.,IECDi(eies.describedingreaterdetai1.atA1.istofa1.1.partsoftheIEC6Iworks-Proffteigv.ec.0Catde1.ayconstantpermeteronthecab1.esegment0丽4-2S(三itiiraRedunderthegenera1.tit1.e3au出eomth114gtf奖mg的型闻?峻webmibW1.WWteWn*on箱rep1.acedbyarevisectedamendedt1.11.orTcsSumtota1.ofttrarf11sskxtmeuptotepfms1.
24、bteco1.genera1.Ethernetframeinc1.udingtheenera(-purp(e-ser*e-comfnand!ran11ssionTmsSumtota1.o1.thetrartsmsskxntmeuptothpermissibtecounto1.EgSSaPedatatra11iSporadica1.yrequestedduringoneTitkrtimeperiodTmThetota1.numberoc1.frmeasuremenitimeMiChis!hee1.aedtimeperiodfromthetimeafterObtaningIhaIOkenbyane
25、nd-stationunti1.tetimethend-s1.ationOtrtansthekenonceagainTRrt8ThroughputRTETtfPacketframetransmissiontimesw.1.atencyoftheWrit6(inc1.udingHub!TswSumtota1.o1.teswitch(inc1.udingHub1.1.atenciesonIbeconnecttonpathDetwenSendngandrecedingeM-StabonsTtkTranSmGSkXItrneofthexknframesoutaa1.1.end-sta1.ionsInd
26、gnDtherterfra11wn0acetimeforsendingoutIhetoken(rarneimmediate1.yafrsendingouttheIina1.-Cytfic-da1.aframeTtkifIInJeHrafnespceIjmeforSrXfingoutthetokenframeimmediate1.yafterSendngoutthe1i11a1.yc1.ic-Jataframetrnd-station，iatww.c.ch,rembers,exp0irefSiTtiagidoiim5adingandreceivingend-stationsIntroductio
27、nTheIEC61784.2seriesprovidesadditiona1.CommunicationPtofies(CP)totheexistingCommunicationProfi1.eFami1.ies(CPF)oftheIEC61784-1senesandadditiona1.CPFswithoneocmoreCPs.Theseprofi1.esmeettheindustria1.automationmarketobjectiveofidentifyingRea1.-TimeEthernet(RTE)communicationnetworksCOeXiS1.ingwithISQIE
28、CdEEE8802-3-mmon1.yknownasEthernetTheseRTEcommunicationneuorksuseprovisionsofISOIEC.,1EEE88023fortheIOwBrcommunicationstack1.ayersandadditiona1.1.yprovdmorepredictab1.eandre1.iab1.erea1.-timedatatransferandmeansforsupportofprecisesynchronizationofautomationequipment.Morespecifica1.1.y,theseprofi1.es
29、he1.ptorrectystatethecomp1.ianceofRTEmmunicationnetworkswithISQIEC,IEEE8802-3,andtoavoidthespreadingofdivergentm1.ernetatos.AdoptionofEmunicationbetveecontro1.1.ersandevenforcommunicationwithfie1.ddevicespromotesthuseofInternettechno1.ogiesintheHe1.darea.Thisavai1.abi1.ityWOUkibunacceptab1.eifitcaus
30、esthe1.ossoffeaturesrequiredinthefie1.dareaforindustria1.mmuicationautomationnetvrtxks.suchas: retime. synchronizedactonsbetweenfie1.ddevices*drives. efficient,frequentexchangeofVCfysma1.1.datarecords.ThesenewRTEprofi1.escantakeadvantageoftheimprovementsofEthernetnetworksintermsoftransmissionbandwid
31、thandnetworkspan.Anotherimp1.icitbutessentia1.requirementisthatthetypoca1.Ethernetmmunicat*o11Capabi1.itHJS,asusedin(heof1.icewor1.d,arefu1.1.yretained,sothatthesoftwareinvokedremamsapp1.icab1.e.Tworkso*utns.eachwithdifferentperformanceCharactefisbcsandfunctiona1.capabi1.ities,matchingthediverseapp1
32、icationrequirerronts.RTEprformancindicators,whoseva1.ueswi1.1.beprovidedwithRTEdevicesbasedoncommunicationpcoi1.sspeccedintheIEC617842series,enab1.etheusertomatch11vorkdeviceswithappfecation-dependentperformancerequirementsofanRTEnetwork.INDUSTRIA1.NETWORKS-Profi1.es-Part2-21:Additiona1.rea1.-timefie1.dbusprofi1.esbasedonISO/IEC/IEEE8802-3一CPF211 ScopeThi
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