SAE-J1939-81

SURFACEJ1939-81VEHICLERECOMMENDEDPRACTICENETWORKMANAGEMENTIssued1997-07Revised2003-05SupersedingJ1939-81JUL1997ForwardThisseriesofSAERecommendedPracticeshasbeendevelopedbytheTruckandBusControlandCommunicationsNetworkSubcommitteeoftheTruckandBusElectricalandElectronicsCommittee.Theobjectivesofthesubcommitteearetodevelopinformationreports,recommendedpractices,andstandardsconcernedwiththerequirements,design,andusageofECUsthattransmitelectronicsignalsandcontrolinformationamongvehiclecomponents.Theusageoftheserecommendedpracticesisnotlimitedtotruckandbusapplications.Otherapplicationsmaybeaccommodatedwithimmediatesupportbeingprovidedforconstructionandagriculturalequipment,andstationarypowersystems.Thesedocumentsareintendedasaguidetowardstandardpracticeandaresubjecttochangetokeeppacewithexperienceandtechnicaladvances.NetworkmanagementintheSAEJ1939networkisconcernedwiththemanagementofsourceaddressesandtheassociationofthoseaddresseswithanactualfunctionandwiththedetectionandreportingofnetworkrelatederrors.Duetothenatureofmanagementofsourceaddresses,networkmanagementalsospecifiesinitializationprocesses,requirementsforreactiontobriefpoweroutagesandminimumrequirementsforECUsonthenetwork.TABLEOFCONTENTS1.Scope.......................................................................................................................................42.References...............................................................................................................................42.1ApplicablePublications............................................................................................................42.1.1SAEPublications.........................................................................................................43Definitions...............................................................................................................................43.1Terminologyusedinnetworkmanagement...........................................................................43.2ControllerApplication(CA).....................................................................................................43.3AddressConfigurationandCapability.....................................................................................43.3.1SingleAddressCapableCA..............................................................................................53.3.1.1Non-ConfigurableAddressCA............................................................................................53.3.1.2ServiceConfigurableAddressCA.......................................................................................53.3.1.3CommandConfigurableAddressCA...................................................................................53.3.1.4Self-ConfigurableAddressCA............................................................................................5SAETechnicalStandardsBoardRulesprovidethat:“ThisreportispublishedbySAEtoadvancethestateoftechnicalandengineeringsciences.Theuseofthisreportisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarisingtherefrom,isthesoleresponsibilityoftheuser.”SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhichtimeitmaybereaffirmed,revised,orcancelled.SAEinvitesyourwrittencommentsandsuggestions.Copyright2003SAEInternationalAllrightsreserved.Nopartofthispublicationmaybereproduced,storedinaretrievalsystemortransmitted,inanyformorbyanymeans,electronic,mechanical,photocopying,recording,orotherwise,withoutthepriorwrittenpermissionofSAE.TOPLACEADOCUMENTORDER:Tel:[phone](insideUSAandCanada)Tel:[phone](outsideUSA)Fax:[phone]Email:[e-mail]: