(正版标准) ISO 11898-3-2006.pdf
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(正版标准) ISO 11898-3-2006.pdf
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INTERNATIONALSTANDARDISO11898-3Firstedition2006-06-01Roadvehicles-Controllerareanetwork(CAN)-Part3:
Low-speed,fault-tolerant,medium-dependentinterfaceVehiculesroutiers-Gestionnairedereseaudecommunication(CAN)-Partie3:
Interfaceabassevitesse,tolerant/espannes,dependantedusupport-ISOJ-g=-=-=ReferencenumberISO11898-3:
2006(E)ISO2006ISO11898-3:
2006(E)PDFdisclaimerThisPDFfilemaycontainembeddedtypefaces.InaccordancewithAdobeslicensingpolicy,thisfilemaybeprintedorviewedbutshallnotbeeditedunlessthetypefaceswhichareembeddedarelicensedtoandinstalledonthecomputerperformingtheediting.Indownloadingthisfile,partiesacceptthereintheresponsibilityofnotinfringingAdobeslicensingpolicy.TheISOCentralSecretariatacceptsnoliabilityinthisarea.AdobeisatrademarkofAdobeSystemsIncorporated.DetailsofthesoftwareproductsusedtocreatethisPDFfilecanbefoundintheGeneralInforelativetothefile;thePDF-creationparameterswereoptimizedforprinting.EverycarehasbeentakentoensurethatthefileissuitableforusebyISOmemberbodies.Intheunlikelyeventthataproblemrelatingtoitisfound,pleaseinformtheCentralSecretariatattheaddressgivenbelow.ISO2006Allrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherISOattheaddressbeloworISOsmemberbodyinthecountryoftherequester.ISOcopyrightofficeCasepostale56CH-1211Geneva20Tel.+41227490111Fax+41227490947E-mailcopyrightiso.orgWebwww.iso.orgPublishedinSwitzerlandiiISO2006-AllrightsreservedISO11898-3:
2006(E)ContentsPageForeword.ivIntroduction.v1Scope.12Termsanddefinitions.13Abbreviatedterms.34OSIreferencemodel.45MDIspecification.45.1Physicalmedium.45.2Physicalsignalling.85.3Electricalspecification.1O5.4Networkspecification.126Physicalmediumfailuredefinition.146.1Physicalfailures.146.2Failureevents.157PMAspecification.167.1General.167.2Timingrequirements.167.3Failuremanagement.207.4Operatingmodes.23ISO2006-AllrightsreservediiiISO11898-3:
2006(E)ForewordISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,inliaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnicalCommission(IEC)onallmattersofelectrotechnicalstandardization.InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part2.ThemaintaskoftechnicalcommitteesistoprepareInternationalStandards.DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting.PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote.Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.ISO11898-3waspreparedbyTechnicalCommitteeISO/TC22,Roadvehicles,SubcommitteeSC3,Electricalandelectronicequipment.ThisfirsteditionofISO11898-3cancelsandreplacesISO11519-2:
1994,whichhasbeentechnicallyrevised.ISO11898consistsofthefollowingparts,underthegeneraltitleRoadvehicles-Controllerareanetwork(CAN):
ivPart1:
DatalinklayerandphysicalsignallingPart2:
High-speedmediumaccessunitPart3:
Low-speed,fault-tolerant,medium-dependentinterfacePart4:
TimetriggeredcommunicationPart5:
High-speedmediumaccessunitwithlow-powermodeISO2006-AllrightsreservedISO11898-3:
2006(E)IntroductionISO11898,firstpublishedinNovember1993,coveredthecontrollerareanetwork(CAN)datalinklayeraswellasthehigh-speedphysicallayer.InthereviewedandrestructuredISO11898:
ISO11898-1describesthedatalinklayerprotocolaswellasthemediumaccesscontrol;ISO11898-2specifiesthehigh-speedmediumaccessunit(MAU)aswellasthemediumdependentinterface(MDI).ISO11898-1:
2003andISO11898-2:
2003cancelandreplaceISO11898:
1993.Inadditiontothehigh-speedCAN,thedevelopmentofthelow-speedCAN,whichwasoriginallycoveredbyISO11519-2,gainednewmeanssuchasfaulttolerantbehaviour.ThesubjectofthispartofISO11898isthedefinitionanddescriptionofrequirementsnecessarytoobtainafaulttolerantbehaviouraswellasthespecificationoffaulttoleranceitself.Inparticular,itdescribesthemediumdependentinterfaceandpartsofthemediumaccesscontrol.ISO2006-AllrightsreservedVINTERNATIONALSTANDARDISO11898-3:
2006(E)Roadvehicles-Controllerareanetwork(CAN)-Part3:
Low-speed,fault-tolerant,medium-dependentinterface1ScopeThispartofISO11898specifiescharacteristicsofsettingupaninterchangeofdigitalinformationbetweenelectroniccontrolunitsofroadvehiclesequippedwiththecontrollerareanetwork(CAN)attransmissionratesabove40kBiVsupto125kBiVs.TheCANisaserialcommunicationprotocolwhichsupportsdistributedcontrolandmultiplexing.ThispartofISO11898describesthefaulttolerantbehaviouroflow-speedCANapplications,andpartsofthephysicallayeraccordingtotheISO/OSIlayermodel.ThefollowingpartsofthephysicallayerarecoveredbythispartofISO11898:
mediumdependentinterface(MDI);physicalmediumattachment(PMA).Inaddition,partsofthephysicallayersignalling(PLS)andpartsofthemediumaccesscontrol(MAC)arealsoaffectedbythedefinitionsprovidedbythispartofISO11898.AllotherlayersoftheOSImodeleitherdonothavecounterpartswithintheCANprotocolandarepartoftheuserslevelordonotaffectthefaulttolerantbehaviourofthelowspeedCANphysicallayerandthereforearenotpartofthispartofISO11898.2TermsanddefinitionsForthepurposesofthisdocument,thefollowingtermsanddefinitionsapply.2.1bustopologyofacommunicationnetworkwhereallnodesarereachedbypassivelinkswhichallowtransmissioninbothdirections2.2busfailurefailurescausedbyamalfunctionofthephysicalbussuchasinterruption,shortcircuits2.3busvalueoneoftwocomplementarylogicalvalues:
dominantorrecessiveNOTEThedominantvaluerepresentsalogicalOtherecessiverepresentsalogical1.Duringsimultaneoustransmissionofdominantandrecessivebits,theresultingbusvaluewillbedominant.2.4busvoltagevoltageofthebuslinewiresCAN_LandCAN_HrelativetogroundofeachindividualCANnodeNOTEVcAN_LandVcAN_Hdenotethebusvoltage.ISO2006-Allrightsreserved1ISO11898-3:
2006(E)2.5differentialvoltageVdiffvoltageseenbetweentheCAN_HandCAN_LlinesNOTEvdiff=VcAN_H-VcAN_L2.6faultfreecommunicationmodeofoperationwithoutlossofinformation2.7faulttoleranceabilitytooperateunderspecifiedbusfailureconditionsatleastwithareducedperformanceEXAMPLEReducedsignaltonoiseratio.2.8transceiverlooptimedelaydelaytimefromapplyingalogicalsignaltotheinputonthelogicalsideofthetransceiveruntilitisdetectedontheoutputonthelogicalsideofthetransceiver2.9lowpowermodeoperatingmodewithreducedpowerconsumptionNOTEAnodeinlowpowermodedoesnotdisturbcommunicationbetweenothernodes.2.10nodeassembly,connectedtothecommunicationline,capableofcommunicatingacrossthenetworkaccordingtothegivencommunicationprotocolspecification2.11normalmodeoperatingmodeofatransceiverwhichisactivelyparticipating(transmittingand/orreceiving)innetworkcommunication2.12operatingcapacitanceCopoverallcapacitanceofbuswiresandconnectorsseenbyoneormorenodes,dependingonthetopologyandpropertiesofthephysicalmedia2.13physicallayerelectricalcircuitrealizationthatconnectsanECUtothebus2.14physicalmedium(ofthebus)pairofwires,parallelortwisted,shieldedorunshieldedNOTETheindividualwiresaredenotedasCAN_HandCAN_L.2.15receiverdevicethattransformsphysicalsignalsusedforthetransmissionbackintologicalinformationordatasignals2ISO2006-Allrightsreserved2.16transmitterISO11898-3:
2006(E)devicethattransformslogicalinformationordatasignalstoelectricalsignalssothatthesesignalscanbetransmittedviathephysicalmedium2.17transceiverdevicethatadaptslogicalsignalstothephysicallayerandviceversa3AbbreviatedtermsACKAcknowledgeCANControllerAreaNetworkCRCCyclicRedundancyCheckCSMACarrierSenseMultipleAccessDLCDataLengthCodeECUElectronicControlUnitEOFEndofFrameFCEFaultConfinementEntityICIntegratedCircuitLANLocalAreaNetworkLLCLogicalLinkControlLMELayerManagementEntityLPDULLCProtocolDataUnitLSBLeastSignificantBitLSDULLCServiceDataUnitLS-MAULow-SpeedMediumAccessUnitMACMediumAccessControlMAUMediumAccessUnitMDIMediumDependentInterfaceMPDUMACProtocolDataUnitMSBMostSignificantBitMSDUMACServiceDataUnitNAZNon-Return-to-ZeroOSIOpenSystemInterconnectionPLPhysicalLayerPLSPhysicalLayerSignallingPMAPhysicalMediumAttachmentRTRRemoteTransmissionRequestSOFStartofFrameISO2006-Allrightsreserved3ISO11898-3:
2006(E)4OSIreferencemodelAccordingtotheOSIreferencemodelshowninFigure1,theCANarchitecturerepresentstwolayers:
datalinklayer;physicallayer.ThispartofISO11898describesthephysicallayerofafaulttolerantlow-speedCANtra
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- 正版标准 ISO 11898-3-2006 正版 标准 11898 2006