1、IEC61784-2-20Edition1.02023-05INTERNATIONA1.STANDARDNORMEINTERNATIONA1.EIworks-Profi1.es-Part2-20:Additiona1.rea1.-timefie1.dbusprofi1.esbasedonISO/IEC/IEEE8802-3-CPF20Reseauxindustrie1.s-Profi1.s-Partie2-20:Profi1.sdebusdeterrainSupp1.ementairespourIesreseauxentempsree1.fondessur1.ISOIECIEEE8802-3-
2、CPF20THISPUB1.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
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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”HcnjruCONTENTSFOREWORD4INTRODUCTION61 Scope72 Normativereferences73 Terms.A1irwt1.ots.abbreviatedterms,acronyms,andconventions83.1 Termsanddefinitions832Abbreviatedtermsandacronyms833Symbo1.s93.4 Conventions94 CPF20(ADSne)-RTEcommunicationprofi1.es104.1 Genera1.ov
12、erview1042CP20”104.21 Physica1.1.ayer104.22 Data1.ink1.ayer104.23 APPfcCa竹On1.ayer104.24 Performancei11dcatorse1.ection124.25 CP2Q,21531Physica1.1.ayer154.32Data1.ink1.ayer1533Appbcation1.ayer15434Portonnanceincfcatorsei。CbOn17AnnoxA(m1(xmativ)CPF20(ADSnet)-PerformanceIndicatorca1.cu1.ation21A.1Prof
13、i1.e20121A1.1De1.iverytime21A12RTEthroughput21A13Non-RTEbandwidth22A2Profi1.e2Q,222A21De1.iverytime22A22RTEthroughput23A23Non-RTEbarMid1h23Btb1.iography24Tabte1-CPF20symbo1.s9TaWe2-CP20：D1.1.servicese1.ection10Tab*e3-CP20,1.:D1.1.Pro1.OcO1.se1.ectionWTaWe4-CP20/1:A1.servicese1.ection11TaWe5-CP20/1:A
14、1.protoco1.se1.ection11Tab1.e6-CP20“：PedOrEanCeindicatorOVerVieW12Tab4e7-CP201:Perf(XmanCeindkatordependencymatrix12TaWe8-V1.ANpnoritymappingotCP2O,1network13Tab1.e9-CP2O,1:Consistentsetotperformanceindicators15Tabte10-CP202:A1.serviceSGtection16TaHe11-CP20/2:A1.protoco1.se1.ection16TabAe12-CP2Q，2Pe
15、rformanceindicatoroverview17TaWe13-CP202Performanceindicatordependencymatrix17Tabte14-CP20.,2Consistentsetofportormanceindicators20INTERNATIONA1.E1.ECTROTECHNICA1.COMMISSIONINDUSTRIA1.NETWORKS-Profi1.es-Part2-20:Additiona1.rea1.-timefie1.dbusprofi1.esbasedonISO/IEC/IEEE8802-3-CPF20FOREWORDUThe1.11em
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17、ishesIntornationa1.Standards.Technica1.Spocifica1.kxisTechnica1.Reports,PUbIiCbAvai1.aMeSpecincaUons(PAS)andGudes(hereaherreferredtoas1ECPW1.cat1.on().Iherprcpara1.ksCntrUStodIotochnimittocs;anyIECNationa1.CommittocImCrRS1.OdinIbcsubjectdea1.twithmaypartiopaienthspreparakxyworkInternationa1.,goeenbe
18、tweenthetwoOcganizatbns.2)Thekxma1.(fec&onsoragreementsotEContechnica1.mattersexpress,asnear1.yaspossib1.e,anIEematMGconsensusoopiniononthorthemaximumextentpossb1.intheirnatonaandregiona1.PUbtCauOns.Anydvenc8betweenanyIECPubtcabonandthecorrespondingnationa1.OCregiona1.pUb1.ica1.kxisha1.1.bedcarri11d
19、ica1.odinthe1.atter.5) IECItse1.tdoesnotpvkJeanya11estat)o1.contormity.IndependentCGtdca!onbodiesprovideconformityassessmentservicesand.insomeareasaccesstoIECmarksofco11IhQpossibi1.itythatsomeotthedementso1thisIECPuttcaDomaybeWeSUbao1.P窗Etrghis1.CShMnotbehe1.dresposWefori(fentifynganyxa1.1.suchpaten
20、trights.Attentionisdrawntothefactthattheuseofsomeoftheassociatedprotoco1.typesisrestrictedbytheirmte1.1.ectua1.pctuap(pertyrightsmadebytheho1.dersofthoserightspermitsa1.ayerprotoco1.typetobeusedwithother1.ayerprotocoisOfIhesametype,ormO1.hertypeCOmbenabOnSexpfeci1.1.yauthorizedbytheirrespectiveinte1
21、1.ectua1.propertyrightho1.ders.NOTECombinationscprrpctiv11QIrCQmC1.QmQntAVAi1.ah1.ak11atww.ec.chme11bers-excdescribedingreaterdetai1.atA1.istofa1.1.partsoftheIEC6eBkfdccs.Thqa)dttJfteBi1.ye三dai三1opdbyIECareayv.ec.c11puo1.iayoiNon-RTEframeonSerKJefnode三1Pfc-2series,pItf1.gOVMMMheera1.tit1.eMusiriain
22、etworksProtectISO/1E&1EEE88023canbi1.SSWHHsThecomrncehasdecidedDTDe1.eytimecRTEs叫tthecontentsOMim1.*K祝源湍!硼WffiaiRWChangcdunti1.theStaDi1.ityda1.eindicatedont11fspecificdocument.AtthisdaTtvVD5TTeUTMIIWIhedocumen1.曲希yEberofnodesse11d11gRTframe reconfirmGd. withdrawn. rep1.acedbyarevisedcd amendedMCfnE
23、Comnxximemorycapacity8NIhenumberot11o(Jebetweensendngandreceivingendsta1.sPDCattepropagationde1.ay三I1.1.PnaOProtoco1.overheadMSqThemberpacketsntheporttransmitqueueMSrdHODe1.ayothardwarereceivingprocessSDFVDe1.ayo1sendingprocessbyfirmware三s%De1.ayotsendingprocessbyhardwarePSSD,SenderstackdeySDrReceiv
24、ers1.ackdey三S1.Switch1.atencySPDSwrtchprocessingde1.ayssRTEComfnunicaikX)cyc1.eI1.fnemcTransmittimetntrooPaCKe1.trATEThroughpgRTB三TXTransmitOmeitargetpacketTranemiitimecpack!jsC1.auseHeaderPresenceConstrainWhoicdocumentDa1.a1.inkservicedink(Type25)YES-C1.auseHeaderPresenceConstrainWhOgdocumentDaIa1.
25、inkprotoco1.Spedficahon(Type25)YESINTRODUCTIONTheIEC61784.2seriesprovidesadditiona1.CommunicationPtofies(CP)totheexistingCommunicationProfi1.eFami1.ies(CPF)oftheIEC61784-1senesandadditiona1.CPFswithoneormoreCPs.Theseprofi1.esmeettheindustria1.automationmarketobjectiveofidentifyingRea1.-TimeEtheme1.(
26、RTE)communicationneavorksCOeXiS1.ingWithISO1IECdEEE8802-3-common1.yknownasEthernetTheseRTEcommunicationnetworksuseprovisionsofISOHEcy1.EEE88023fortheIoWGfcommunicationstack1.ayersandadditiona1.1.yprovdmorepredictab1.eandre1.iab1.erea1.-timedatatransferandmeansforsupportofprecisesynchronizationofauto
27、mationequipment.Morespecifica1.1.y,theseprofi1.eshe1.ptorrectystatethecomp1.ianceofRTEmmunicationnetworkswithISQIEC,IEEE8802-3,andtoavoidthespreadingofdivergentm1.ernetatos.AdoptionofEmunicationbetveecontro1.1.ersandevenforcommunicationwithfie1.ddevicespromotesthuseofInternettechno1.ogiesintheHe1.da
28、rea.Thisavai1.abi1.ityWOUkibunacceptab1.eifitcausesthe1.ossoffeaturesrequiredinthefie1.dareaforindustria1.mmuicationautomationnetvrtxks.suchas: retime. synchronizedactonsbetweenfie1.ddevices*drives. efficient,frequentexchangeofVCfysma1.1.datarecords.ThesenewRTEprofi1.escantakeadvantageoftheimproveme
29、ntsofEthernetnetworksintermsoftransmissionbandwidthandnetworkspan.Anotherimp1.icitbutessentia1.requirementisthatthetypoca1.Ethernetmmunicat*o11Capabi1.itHJS,asusedin(heof1.icewor1.d,arefu1.1.yretained,sothatthesoftwareinvokedremamsapp1.icab1.e.Tworkso*utns.eachwithdifferentperformanceCharactefisbcsandfunctiona1.capabi1.ities,matchingthediverseapp1.icationrequirerronts.RTEprformancindicators,whoseva1.ueswi1.1.beprovidedwithRTEdevicesbasedoncommunicationpcocatcxs.NOTE1A1.1.CPsar
