綠控傳動電池通訊協(xié)議(3A)-V3001A-500k-加備注

（版權(quán)所有未經(jīng)我方同意禁止轉(zhuǎn)讓第三方，對此我方保有一切法律訴訟權(quán)和解釋權(quán)）--30/30綠控傳動電池通訊協(xié)議3（內(nèi)部機密文件）版本修改日期修改內(nèi)容修改者V2013-12-01初稿李紅志目錄1 適用性 42 聲明 43 參考標(biāo)準(zhǔn) 44 縮略語 45 電池管理系統(tǒng)使用注意事項 56 電池系統(tǒng)對外接口定義及應(yīng)用說明 57 BMS狀態(tài)機 67.1 Batt_State_Power_Up 67.2 Batt_State_Standby 67.3 Batt_State_Precharge 67.4 Batt_State_Ready 77.5 Batt_State_Open 77.6 Batt_State_Save 78 通信協(xié)議 78.1 物理層說明 78.2 控制信息 78.2.1 電壓 78.2.2 電流及功率 88.2.3 配置信息 118.2.4 溫度 128.3 狀態(tài)信息 148.3.1 Auxiliary1總正輔助觸點狀態(tài) 148.3.2 2總負(fù)輔助觸點狀態(tài) 15 State 158.3.4 State 158.3.5 State 15 Fault 15 17 17 178.4 命令 188.4.1 MainContactorControl/主接觸器控制 19 Control 19 Control 19 Control 198.4.5 ShutdownCommand/關(guān)機命令 208.4.6 ChargerConnected/充電連接命令 208.5 Identification身份證信息 208.5.1 ComponentIdentification/電池系統(tǒng)身份信息 208.5.2 Software軟件版本 208.5.3 ECUIdentification/ECU信息 208.6 DiagnosticFault故障診斷信息 218.6.1 DM1ActiveDTCS 218.6.2 DM2InactiveDTCS 228.6.3 DM3ClearInactiveDTCS 218.6.4 DM4FreezeFrameParameters 218.6.5 DM11ClearActiveDTCS 218.6.6 DM13StartStopBroadcast 218.6.7 DM14MemoryAccessRequest 218.6.8 DM15MemoryAccessResponse 218.6.9 DM16BinaryDataTransfer 219 FAULTCODES/故障碼 239.1 General/概述 239.2 DiagnosticTrouble故障定位碼 249.3 FaultCodeTime故障碼時標(biāo) 249.4 FaultTable/故障表 24

適用性本協(xié)議用來作為動力電池系統(tǒng)與整車及動力系統(tǒng)的通訊協(xié)議規(guī)范。聲明本協(xié)議中文部分僅供參考，請以英文為準(zhǔn)。參考標(biāo)準(zhǔn)標(biāo)準(zhǔn)類型版本描述J1939-71SAE2009-04ApplicationLayerParmetersJ1939-73SAE2004-03ApplicationLayerDiagnosticsJ1939-21SAE2001-04DataLinkLayerDCN-119EatonSpecification1.8J1939DiagnosticsSupportSpecificationforNon-EatonProductsDocument/Model/Simulation/PrototypeTypeVersionDescriptionJ1939-71SAE2009-04ApplicationLayerParmetersJ1939-73SAE2004-03ApplicationLayerDiagnosticsJ1939-21SAE2001-04DataLinkLayerDCN-119EatonSpecification1.8J1939DiagnosticsSupportSpecificationforNon-EatonProducts縮略語縮略語描述BatteryTheentirecollectionofcellsormodulesinabatterysystem.BCMBatteryControlModuleBMSBatteryManagementSystemCANControllerAreaNetworkCellAsingleelectro-chemicaldevicecapableofstoringandretrievingelectricalChargeDCRDCseriesresistanceDTCDiagnosticTroubleCodeFMIFailureModeIndicatorHEVHybridElectricVehicleHCMHybridControlModuleModuleAcollectionofcells,usuallygroupedtogetherbyasinglecellcontrollerand/orphysicallymountedtogether.OCOccurrenceCountPackAcompletebatterysystemincludingcellcontroller,managementsystem,fan,relay’s,etc.PGNParameterGroupNumberSAESocietyofAutomotiveEngineersSOCStateOfChargeSOHStateOfHealthSPNSuspectParameterNumber電池管理系統(tǒng)使用注意事項當(dāng)車輛處于停駛狀態(tài)，必須斷開電池管理系統(tǒng)供電電源，以避免電池管理系統(tǒng)長期處于工作狀態(tài)進而導(dǎo)致電池過放。電池系統(tǒng)對外接口定義及應(yīng)用說明型號：HDP24-24-19PE、WY20J9ZGPinNumber描述應(yīng)用說明1CANHigh2CANLow5屏蔽線6BCU24V+穩(wěn)態(tài)電流小于2A，瞬態(tài)電流小于5A（繼電器InRush電流）。7BCUGND1224V+（風(fēng)機）工作電流小于6A14GND（風(fēng)機）BMS狀態(tài)機Batt_State_Power_UpBMS得到供電電源后執(zhí)行如下功能（不只限于以下功能）：讀取及初始化變量、校準(zhǔn)、故障檢測、系統(tǒng)自診斷、CAN通信初始化，整個過程不超過0.3秒。FollowingapplicationofpowertheBCMshallenterthisstatetoperformanynecessaryinitialization.Initializationcouldincludebutnotbelimitedtoreadingandinitializingvariablesfromnon-volatilememorydevices,calibrationandfaultdetectionofsensors,initializingCANcommunication,andsystemselfdiagnostics.TheBCMshallnotremaininthisstateformorethan0.300seconds.Batt_State_StandbyBMS等待HCM的命令，HCM的命令為主接觸器閉合指令或ShutdownCommandsignal。InthisstatetheBCMshallstandbywaitingfortheHCMmaincontactorclosecommandorforpowertobeturnedofforanactiveShutdownCommandsignal.TheBCMshallbefullyoperationalandbroadcastallperiodicmessagesasrequired.Batt_State_PrechargeBMS首先執(zhí)行內(nèi)外部高壓電路絕緣電阻檢測命令，當(dāng)內(nèi)外部高壓電路無絕緣問題后通過預(yù)充電路執(zhí)行預(yù)充命令，整個過程不超過5秒。目的：避免外部高壓電路絕緣問題帶來的安全隱患。安全隱患為：外部高壓絕緣薄弱、內(nèi)部高壓絕緣薄弱、外部高壓電路短路、外部高壓電路短路帶來的預(yù)充電阻燒毀。防止電池組高壓直接注入電容而帶來的瞬態(tài)大電流，進而導(dǎo)致接觸器粘連。InthisstatetheBCMshallclosetheprechargecontactortoprechargehighvoltagebuscapacitancethrougharesistortopreventalargeoutrushcurrentwhenclosingthemaincontactors.TheBCMshallnotremaininthisstateformorethanfiveseconds.Batt_State_Ready這個狀態(tài)主接觸器處于閉合狀態(tài)，電池系統(tǒng)處于HEV工作所需的狀態(tài)。InthisstatethemaincontactorsareclosedandthebatteryisreadyfornormalHEVoperation.Batt_State_OpenBMS打開主接觸器，將電池組與整車完全隔離，整個不超過5秒鐘。InthisstatetheBCMisopeningthemaincontactorstoisolatethebatteryfromthevehicle.TheBCMshallnotremaininthisstateformorethan5.000seconds.Batt_State_SaveBMS執(zhí)行歷史數(shù)據(jù)存儲及算法所需相關(guān)數(shù)據(jù)的存儲、BMS內(nèi)部狀態(tài)的復(fù)位、故障檢測，整個過程不超過1秒。InthisstatetheBCMshallperformanynecessarypost-usagestatesaveoperations.Thisstatesavesequencemightincludebutnotbelimitedtostoringvariablestonon-volatilememorydevices,resettingofinternalstates,calibrationofsensorsorfaultdetection.TheBCMshallnotremaininthisstateformorethan1.000seconds.通信協(xié)議物理層說明BMS與HCM直接通過CAN總線進行數(shù)據(jù)交互，其物理層規(guī)定如下：CANVersion:2.0BBittiming:Nominalbitrate:500kbsNumberofquantaperbit:20TqSamplepoint:60%Sjw:4Tq(20%ofbittime)Format:standardDataformat:Leastsignificantbytearrivesfirstandthemostsignificantbytearriveslast(Intel/littleendianformat).Identifierformat:29bitidentifierasdefinedinthesaej1939-21specification終端電阻：BCU不包括終端電阻控制信息電壓MessageNameVoltageTransmissionRate100msDataLength8bytesDefaultPriority0x06PGN0xff10SourceAddress0xf3StartBitLength(bits)SignalReference08BatteryVoltageLimitMax電池組電壓上限值88BatteryVoltageLimitMin電池組電壓下線值168Pre-contactorBatteryVoltage電池組側(cè)總電壓測量值248Post-contactorBatteryVoltage整車側(cè)總電壓測量值328MaximumCellVoltage單體電池最高電壓值408MinimumCellVoltage單體電池最低電壓值4816CellVoltageSum單體電池電壓加和BatteryVoltageLimitMax/電池組電壓上限值電池組允許的最大電壓值，對于2P96SHEV項目應(yīng)用，電池組允許的最大電壓值為403.2V。Themaximumallowablebatteryvoltage.SignalScaleOffsetUnitMinMaxBatteryVoltageLimitMax20V0500BatteryVoltageLimitMin/電池組電壓下限值電池組允許的最小電壓值，對于2P96SHEV項目應(yīng)用，電池組允許的最大電壓值為240V。Theminimumallowablebatteryvoltage.SignalScaleOffsetUnitMinMaxBatteryVoltageLimitMin20V0500PrechargeBatteryVoltage/電池組側(cè)總電壓測量值電池組側(cè)總電壓的測量值。Thevoltageofthebatterymeasuredfromthebatterysideofthemaincontactor.SignalScaleOffsetUnitMinMaxPre-contactorBatteryVoltage20V0500Post-contactorBatteryVoltage/整車側(cè)總電壓測量值車輛側(cè)總電壓的測量值。Thevoltageofthebatterymeasuredfromthevehiclesideofthemaincontactor.SignalScaleOffsetUnitMinMaxPost-contactorBatteryVoltage20V0500MaximumVoltage/單體電池最高電壓值單體電池最高電壓值。Thevoltageofthecellwiththegreatestvoltageinthebattery.SignalScaleOffsetUnitMinMaxMaximumCellVoltage0.020V05Minimum單體電池最低電壓值單體電池最低電壓值。Thevoltageofthecellwiththeleastvoltageinthebattery.SignalScaleOffsetUnitMinMaxMinimumCellVoltage0.020V05CellVoltage/單體電池電壓加和單體電池電壓加和。Thesumtotalofallcellvoltages.SignalScaleOffsetUnitMinMaxCellVoltageSum0.020V01285.1電流及功率MessageNameCurrentPowerTransmissionRate10msDataLength8BytesDefaultPriority0x6PGN0xFF11SourceAddress0xF3StartBitLength(bits)SignalReference08CurrentLimitCharge/充電電流限值88CurrentLimitDischarge/放電電流限值1616BatteryCurrent/電池組當(dāng)前充放電電流328PowerLimitCharge/10秒充電脈沖功率限值408PowerLimitDischarge/10秒放電脈沖功率限值4816BatteryPower/電池組實際輸出功率電池組最大允許充電電流極限值。Themaximumallowablecurrentofthebatterywhilecharging.SignalScaleOffsetUnitMinMaxCurrentLimitCharge20A0500電池組最大允許放電電流極限值。Themaximumallowablecurrentofthebatterywhiledischarging.SignalScaleOffsetUnitMinMaxCurrentLimitCharge20A0500電池組當(dāng)前充放電電流，充電電流以正（+）值表示，放電電流以負(fù)（-）值表示。Thecurrentofthebattery.Chargingcurrentshallberepresentedwithpositive(+)valuesanddischargingwithnegative(-)values.Ifmultiplecurrentsensorsareused;suchasafineandcoarsemeasurement,ablendingalgorithmshallbeusedtocreateacompositecurrentsignalrepresentingtheactualbatterycurrent.Thecurrentmeasurementshallbetemperaturecompensatedtoavoidoffsetdriftduetotemperaturevariationsduringadrivingcycle.SignalScaleOffsetUnitMinMaxBatteryCurrent0.0125-400A-400403.1875LimitCharge/10秒充電脈沖功率極限ThemaximumsafechargingpowerwhichcanbesustainedforaperiodoftensecondsascalculatedbytheBCMbasedonthecurrentstateofthebattery.TheHCMwilladheretothispowerlimitduringtypicalpowercyclesrequiringpowerforlessthanorequaltotenseconds,suchasnormaldriving.SignalScaleOffsetUnitMinMaxPowerLimitCharge10kW0250Limitischarge/10秒放電脈沖功率極限ThemaximumsafedischargingpowerwhichcanbesustainedforaperiodoftensecondsascalculatedbytheBCMbasedonthecurrentstateofthebattery.TheHCMwilladheretothispowerlimitduringtypicalpowercyclesrequiringpowerforlessthanorequaltotenseconds,suchasnormaldriving.SignalScaleOffsetUnitMinMaxPowerLimitCharge10kW0250電池組實際輸出功率的計算方法為：整車側(cè)高壓測量值乘以當(dāng)前電流值。Theactualbatterypowerascalculatedusingexternalcontactorvoltagemultipliedbybatterycurrent.Chargingpowershallberepresentedwithpositive(+)valuesanddischargingwithnegative(-)values.SignalScaleOffsetUnitMinMaxBatteryPower10-320000W-320000322550配置信息MessageNameConfigurationTransmissionRateOnRequestDataLength10BytesDefaultPriority0x6PGN0xFF12SourceAddress0xF3StartBitLength(bits)SignalReference016TotalEnergyCharge1616TotalEnergyDischarge3216TotalBatteryEnergy488NumberofSeriesCells568NumberofParallelCells648SOCLimitMax728SOCLimitMin充電能量總和電池系統(tǒng)的整個生命周期都需要進行充電能量累計，根據(jù)BMS電流采樣的分辨率、精度及車輛整個生命周期的可能達到的實際運行情況，我們設(shè)置0.08KWhr/count。Thetotalchargingenergyaccumulatedthroughoutthelifeofthebattery.Internallythisneedstoberepresentedtoaresolutionandaccuracythatiscapableofcapturingashiftevent.0.08kWhr/countisasuggestion.SignalScaleOffsetUnitMinMaxTotalEnergyCharge50kWhr0321275放電電流總和電池系統(tǒng)的整個生命周期都需要進行放電能量累計，根據(jù)BMS電流采樣的分辨率、精度及車輛整個生命周期的可能達到的實際運行情況，我們設(shè)置0.08KWhr/count。Thetotaldischargingenergyaccumulatedthroughoutthelifeofthebattery.Internallythisneedstoberepresentedtoaresolutionandaccuracythatiscapableofcapturingashiftevent.0.08kWhr/countisasuggestion.SignalScaleOffsetUnitMinMaxTotalEnergyDischarge50kWhr0321275電池組剩余能量電池組剩余能量。Thetotalamountofenergythebatteryiscapableofstoring.Whenthebatteryisnewthisvalueshouldbeequivalenttothenameplatebatteryenergy.SignalScaleOffsetUnitMinMaxTotalBatteryEnergy100Whr0642550電池串聯(lián)數(shù)量電池串聯(lián)數(shù)量。Thetotalnumberofcellsconnectedinseries.SignalScaleOffsetUnitMinMaxNumberofSeriesCells10Count0250電池并聯(lián)數(shù)量電池并聯(lián)數(shù)量，該數(shù)值為2。Thetotalnumberofcellsconnectedinparallel.SignalScaleOffsetUnitMinMaxNumberofSeriesCells10Count0250SOC/SOC上限值電池系統(tǒng)SOC上限值，該限值為90%。ThemaximumSOClimittheHCMshouldstaybelowinordertomaximizebatterylife.SignalScaleOffsetUnitMinMaxSOCLimitMax0.50%0125SOC/SOC下限值電池系統(tǒng)SOC上限值，該限值為10%。TheminimumSOClimittheHCMshouldstayaboveinordertomaximizebatterylife.SignalScaleOffsetUnitMinMaxSOCLimitMax0.50%0125溫度MessageNameTemperatureTransmissionRate1000msDataLength8BytesDefaultPriority0x6PGN0xFF13SourceAddress0xF3StartBitLength(bits)SignalReference08TemperatureLimitMax/問題上限值88MaximumCellTemperature/電池組當(dāng)前單體溫度最大值168MinimumCellTemperature/電池組當(dāng)前單體溫度最小值248CoolingInletTemperature/電池系統(tǒng)進風(fēng)口溫度3216(Unused-sendas0xFFFF)需要增加電池平均溫度4812CoolingDeviceSpeed/風(fēng)扇轉(zhuǎn)速602(Unused-sendas0x03)622CoolingDeviceRunning/風(fēng)扇運行狀態(tài)Temperature電池安全工作的溫度上限，60攝氏度。Themaximumsafeoperatingtemperatureofthebattery.SignalScaleOffsetUnitMinMaxTemperatureLimitMax1-40C-40210MaximumlTemperature/電池組當(dāng)前單體溫度最大值電池組當(dāng)前單體溫度最大值。Thecurrenttemperatureconditionofthewarmestcellofallcellsinthebattery.SignalScaleOffsetUnitMinMaxMaximumCellTemperature1-40C-40210Temperature/電池組當(dāng)前單體溫度最小值電池組當(dāng)前單體溫度最大值。Thecurrenttemperatureconditionofthecoldestcellofallcellsinthebattery.SignalScaleOffsetUnitMinMaxMinimumCellTemperature1-40C-40210CoolingInlet電池系統(tǒng)進風(fēng)口溫度。Thecoolingsysteminletairtemperature.Thissensorshallbecompensatedfordriftandbiasasthesensorages.SignalScaleOffsetUnitMinMaxCoolingInletTemperature1-40C-40210CoolingDevice風(fēng)扇轉(zhuǎn)速，BMS暫不支持該功能。Theactualspeedofthecoolingdevice(e.g.fanorpump)asindicatedthroughasensingmechanism.SignalScaleOffsetUnitMinMaxCoolingDeviceSpeed50RPM020075CoolingDeviceRunning/風(fēng)扇運行狀態(tài)Feedbackindicatingthecoolingdevice(e.g.fanorpump)isrunning.SignalValueMeaningCoolingDeviceRunning0Stopped1Running2Error3NotAvailable狀態(tài)信息MessageNameStatusTransmissionRate10msDataLength8BytesDefaultPriority0x6PGN0xFF14SourceAddress0xF3StartBitLength(bits)SignalReference02Auxiliary1ContactorStatus/總正輔助觸點狀態(tài)22Auxiliary2ContactorStatus/總負(fù)輔助觸點狀態(tài)44(Unused-sendas0xF)816StateOfCharge248StateOfHealth324BatteryState363FaultActive/SeverityIndicator391(Unused-sendas0x01)408IsolationResistance/絕緣電阻488(Unused-sendas0xFF)564MessageCounter/計數(shù)器604MessageChecksum/消息校驗和Auxiliary1總正輔助觸點狀態(tài)指示輔助觸點的狀態(tài)，如果電池系統(tǒng)設(shè)計沒有選擇帶輔助觸點狀態(tài)的繼電器，BMS應(yīng)向HCM上報NotAvailable。Indicatesthestatusoftheauxiliary1contactors.Ifnoauxiliarycontactorsarepresent,theBCMmustbroadcastthecontactorstatusas“NotAvailable”SignalValueMeaningAuxiliary1ContactorStatus0ContactorsOpen1ContactorsClosed2Error3NotAvailable2總負(fù)輔助觸點狀態(tài)指示輔助觸點的狀態(tài)，如果電池系統(tǒng)設(shè)計沒有選擇帶輔助觸點狀態(tài)的繼電器，BMS應(yīng)向HCM上報NotAvailable。Indicatesthestatusoftheauxiliary2contactors.Ifnoauxiliarycontactorsarepresent,theBCMmustbroadcastthecontactorstatusas“NotAvailable”SignalValueMeaningAuxiliary1ContactorStatus0ContactorsOpen1ContactorsClosed2Error3NotAvailableState指示電池系統(tǒng)剩余電量，0%意味著電池系統(tǒng)已經(jīng)被過放，100%意味著電池系統(tǒng)已經(jīng)被充滿。Indicatesthecurrentbatterystateofcharge(SOC)asthepercentofchargeremaininginthebattery.AnSOCvalueof0%shallindicateafullydischargedbatteryand100%fullycharged.SignalScaleOffsetUnitMinMaxSOC0.00250%0160.6375State指示電池電池系統(tǒng)的健康狀態(tài)。我們每10秒鐘計算一次直流內(nèi)阻的增加值，SOH的計算公式為：。Indicatesthecurrentbatterystateofhealth(SOH)asthepercentincreasein10secondDCresistanceofthebatterythroughoutitslife.SOHshallbecalculatedas((CurrentDCR/InitialDCR)-1)*100.SignalScaleOffsetUnitMinMaxSOH10%0250State指示當(dāng)前BMS的工作狀態(tài)。Indicatesthecurrentstateofthebatterysystem.ReferencePowerUpandShutdown(5.3)forstatedetails.SignalValueMeaningBatteryState0BATT_STATE_POWER_UP1BATT_STATE_STANDBY2BATT_STATE_PRECHARGE3BATT_STATE_READY4BATT_STATE_OPENING5BATT_STATE_SAVE6~14Reserved15NotAvailableFault當(dāng)電池系統(tǒng)發(fā)生一個或者多個故障時，所有故障中最高級別的故障會上報給HCM。對于任何故障BMS、HCM應(yīng)采用合適的安全策略以保障電池安全。故障可能會從較低級別的故障等級發(fā)生，如果故障條件繼續(xù)保持或繼續(xù)惡化，嚴(yán)重程度將升級到更高的等級，直到達到最高等級。如果故障達到最高程度，BMS將打開主接觸器。下文講述不同故障級別的安全策略：Warning,noaction：Imminentfailure：Urgentfailure：電池系統(tǒng)運行在其正常工作的極限范圍之外，此時HCM應(yīng)迅速降低對電池系統(tǒng)功率輸出能力的需求，在2秒鐘之內(nèi)將電池系統(tǒng)功率輸出降為0.Severefailure：電池系統(tǒng)運行在其正常工作的極限范圍之外，此時BMS立刻斷開高壓接觸器與整車的電氣連接并使高壓接觸器鎖定在斷路狀態(tài)，無論任何命令都無法使高壓接觸器重新吸合，除非對BMS重新上電。Indicateswhenoneormorefaultsareactivewithinthebatterysystemandthehighestseveritylevelofallcurrentlyactivefaults.ForeachactivefaulttheBCMshalldeterminetheappropriateseveritysoastoprotectthebatteryfromdamageorhazardousconditions.Faultsshallstartatthelowestseveritypossible;andthenifconditionsremainorcontinuetodeteriorate,theseveritylevelshallbeincreasedtothenexthigherleveluntilthehighestlevelisreached.Ifafaultreachesornecessitatesthehighestseveritylevel,theBCMshallopenthemaincontactorsimmediatelyoverridingtheMainContactorControl(0)command.ThefollowingisadescriptionofthefaultseveritylevelsandhowtheHCMwillreact:“Warning,noaction”isthelowestseveritylevel.Thebatteryisoperatinginadegradedconditionthatdoesnotrequirethemaincontactorstobeopened,butiscausingareductioninavailablepower.“Imminentfailure”.Thebatteryisoperatingoutsideitsnormaloperatinglimitsandrequiresbatterycurrenttoberampedtozero.ThisseveritylevelallowstheHCMtocontrolcurrenttozeroinamannerthatprovidessmoothvehicledrivelinetransition.“Urgentfailure”.Thebatteryisoperatingoutsideitsnormaloperatinglimitsandrequiresbatterycurrenttoberampedtozerowithintwoseconds.ThisseveritylevelforcestheHCMtocontrolcurrenttozerowithoutconcernforvehicledrivelineoscillations,butwhilemaintainingvehiclestabilityandsafety,withintwoseconds.Ifbatterycurrentdoesnotachievezerowithintwoseconds,theBCMshallescalatetheseveritytothenexthighestlevel.“Severefailure”isthehighestseveritylevel.Thebatteryisoperatingoutsideitssafeoperatinglimitsandrequiresthemaincontactorstobeopenedimmediately.TheBCMwillopenthemaincontactorsonitsownandtheHCMwilltransitioncurrenttozerowithinTBDseconds.TheBCMshalllatchthecontactorsopenuntiltheBCMhasbeenshutdown.SignalValueMeaningFaultSeverityIndicator0Nofaultactive.1Warning,noaction.2Reserved.3Reserved.4Imminentfailure,vehiclerampscurrenttozero.5Urgentfailure,vehiclerampscurrenttozerowithintwoseconds.6Severefailure,BCMopensmaincontactorsimmediately.7Notavailable.指示電池組正極或電池組負(fù)極與24VGND的絕緣電阻，BMS上報絕緣電阻較低的數(shù)值。Indicatestheminimumisolationresistancebetweenpackpositive,packnegative,packmid-pointandchassisground.SignalScaleOffsetUnitMinMaxIsolationResistance80k?02000指示BCM處理器處于正確的工作狀態(tài)，每個周期HCM都應(yīng)對計數(shù)器的數(shù)值進行校驗。如果該計數(shù)器的數(shù)值沒有變化或者始終為Error狀態(tài)，所有信號都應(yīng)被判定為錯誤數(shù)據(jù)。如果連續(xù)三幀或三幀以上CAN數(shù)據(jù)都是1狀態(tài)，則HCM應(yīng)將故障級別設(shè)定為Imminentfailure。如果2狀態(tài)持續(xù)10秒鐘，則HCM應(yīng)將故障級別設(shè)定為Urgentfailure。如果3狀態(tài)持續(xù)2秒鐘，則HCM應(yīng)將故障級別設(shè)定為Severefailure。電池系統(tǒng)正常運行狀態(tài)計數(shù)器的值按0、1…7、0、1…7這種順序循環(huán)變化。當(dāng)連續(xù)三幀計數(shù)器的值恢復(fù)到CounterValue范圍之內(nèi)則HCM應(yīng)清除該故障。ArollingmessagecountershallbeusedtomonitortheintegrityoftheBCMprocessor.Thereceivingnodeshallchecktoensurethecountervaluechangeseverycycleandthatitisinthenormalrange.IfthevaluedoesnotchangeorisintheerrorrangeforoneormoreCANframes,allsignalsfromthesendingnodeshallbeconsideredinerror.IfthecountervaluedoesnotchangeforthreeormoreCANframes,amessagecounterfaultshallbesetwithseverity“Imminentfailure”.Ifthecounterfaultpersistsfortensecondsthentheseverityshallescalatetothenexthighestlevel“Urgentfailure”fortwoseconds,afterwhichtheseverityshallbe“Severefailure”andthemaincontactorsopened.Ifwhilethecounterfaultisactiveandbatteryoperationdriftsoutsideitsnormaloperatinglimits,theappropriatefaultandseverityshallbesetforthecondition.NormaloperationshallberesumedandthemessagecounterfaultclearedifthecountervaluechangesandisinthenormalrangeforthreeconsecutiveCANframes.Ifthecountervalueisreceivedasnotavailable(0xF-allbitssettoone),itshallbetreatedasavalidandchangingcountervalue.SignalValueMeaningMessageCounter0~7CounterValue8~14Error15NotAvailable指示BCMRAM處于正確的工作狀態(tài)，HCM應(yīng)對校驗和進行校驗。如果校驗和校驗錯誤則HCM應(yīng)認(rèn)為該數(shù)據(jù)包無效。如果1狀態(tài)連續(xù)出現(xiàn)3次及3次以上則HCM應(yīng)將故障級別設(shè)定為Imminentfailure。如果2狀態(tài)持續(xù)10秒鐘，則HCM應(yīng)將故障級別設(shè)定為Urgentfailure。如果3狀態(tài)持續(xù)2秒鐘，則HCM應(yīng)將故障級別設(shè)定為Severefailure。當(dāng)連續(xù)三幀計數(shù)器的值恢復(fù)到CounterValue范圍之內(nèi)則HCM應(yīng)清除該故障。校驗和的算法為：Sum=MessageByte1+MessageByte2+MessageByte3+MessageByte4+MessageByte5+MessageByte6+MessageByte7+MessageRollingCounter+SumofMessageIDBytes。MessageChecksum=((sum>>6)+(sum>>3)+sum)&0x07。AmessagechecksumshallbeusedtomonitortheintegrityoftheBCMmemory.Thereceivingnodeshallchecktoensurethechecksumvaluematchesthechecksumofthereceivedmessage.IfthechecksumdoesnotmatchforoneormoreCANframes,allsignalsfromthesendingnodeshallbeconsideredinerror.IfthechecksumdoesnotmatchforthreeormoreCANframesamessagechecksumfaultshallbesetwithseverity“Imminentfailure”.Ifthechecksumfaultpersistsfortensecondsthentheseverityshallescalatetothenexthighestlevel“Urgentfailure”fortwoseconds,afterwhichtheseverityshallbe“Severefailure”andthemaincontactorsopened.Ifwhilethechecksumfaultisactiveandbatteryoperationdriftsoutsideitsnormaloperatinglimits,theappropriatefaultandseverityshallbesetforthecondition.NormaloperationshallberesumedandthemessagechecksumfaultclearedifthechecksummatchesforthreeconsecutiveCANframes.Ifthechecksumvalueisreceivedasnotavailable(0xF-allbitssettoone),itshallbetreatedasamatchingchecksum.Themessagechecksumshallbecomputedasfollowsusingeightbitunsignedintegernumbers:Sum=MessageByte1+MessageByte2+MessageByte3+MessageByte4+MessageByte5+MessageByte6+MessageByte7+MessageRollingCounter+SumofMessageIDBytes;MessageChecksum=((Sum>>6)+(Sum>>3)+Sum)&0x07;SignalValueMeaningMessageChecksum0~7ChecksumValue8~14Error15NotAvailable命令MessageNameCommandTransmissionRate10msDataLength8BytesDefaultPriority0x6PGN0xFF1ASourceAddress0xEFStartBitLength(bits)SignalReference02MainContactorControl/主接觸器控制22AuxiliaryContactorControl#1/輔助繼電器控制#142AuxiliaryContactorControl#2/輔助繼電器控制#262(Unused-sendas0x3)82CoolingControlRequest/風(fēng)機控制102ShutdownCommand/關(guān)機命令122ChargerConnected/充電連接命令1442(Unused-sendallbitsas1)564MessageCounter/計數(shù)器604MessageChecksum/消息校驗和MainContactorControl/主接觸器控制當(dāng)主接觸器控制命令為Close時，BCM執(zhí)行主接觸器吸合動作。當(dāng)主接觸器控制命令為Open時，BCM執(zhí)行主接觸器斷開動作。Whensettoclose,thiscommandshallindicateenergyisrequestedfromthebatteryandthemaincontactorsshallbeclosed.Whensettoopen,thiscommandshallindicateenergyisnotneededfromthebatteryandthemaincontactorshallbeopened.TheBCMshallopen,ifnotalreadyopen,theprechargeandallauxiliarycontactorsbeforeopeningthemaincontactor.Whensettoerrorornotavailable,thesystemshallsatisfyoneofthetwofollowingconditions:IfthecontactorsareopenandthebatterystateisBATTERY_STATE_STANDBY,theBCMshallensurethatthecontactorsremainopenandmaintainthisstateuntilthenextpowercycle.Ifthecontactorsareclosed,orifthebatterystateisnotBATTERY_STATE_STANDBY,theBCMshallopentheprechargeandallauxiliarycontactors,thenopenthemaincontactorsandmaintainthisstateuntilthenextpowercycle.SignalValueMeaningMainContactorControl0Open1Close2Error3NotAvailableControlThiscommandindicatesthefirstauxiliarycontactorsshallbeopenedorclosed.Thiscommandshallbeignoredifthemaincontactorsareopen.When“error”or“NA”received,theauxiliarycontactorsshallbecommandedopenandmaintainthisstateuntilthenextpowercycle.ControlThiscommandindicatesthesecondauxiliarycontactorsshallbeopenedorclosed.Thiscommandshallbeignoredifthemaincontactorsareopen.When“error”or“NA”received,theauxiliarycontactorsshallbecommandedopenandmaintainthisstateuntilthenextpowercycle.Control當(dāng)風(fēng)扇控制命令設(shè)置為Active狀態(tài)時，BCM應(yīng)啟動風(fēng)扇。當(dāng)風(fēng)扇控制命令設(shè)置為Passive狀態(tài)時，BCM應(yīng)根據(jù)BCM內(nèi)部邏輯來控制風(fēng)扇的起停。Whensettoactive,thiscommandshallindicatecoolingisrequestedandthecoolingdevice(e.g.fanorpump)shallbeturnedon.Whensettopassive,thiscommandshallindicatecoolingisnotrequestedandcoolingdeviceoperationshallbedeterminedbytheBCMlogicaccordingtotemperatureorotherparametersnecessaryforproperbatterycooling.SignalValueMeaningCoolingControlRequest0RequestPassive1RequestActive2Error3NotAvailableShutdownCommand/關(guān)機命令（未啟用）當(dāng)關(guān)機命令為Active時，BCM應(yīng)保存好數(shù)據(jù)等待下電。Whensettoactiveandtheswitchedenablepowersourceisremoved,thiscommandindicatestheBCMshallpoweroffallcircuitsandshutdown.SignalValueMeaningShutdownCommand0DonotShutdown1Shutdown(akaActive)2Error3NotAvailableChargerConnected/充電連接命令（未啟用）Indicateswhenthebatteryisbeingchargedthroughabatterycharger.SignalValueMeaningChargerConnected0Disconnected1ChargerConnected2Error3NotAvailableIdentification身份證信息ComponentIdentification/電池系統(tǒng)身份信息J1939-71規(guī)定BMS應(yīng)提供組件身份信息，該信息有Make、Model及SerialNumber組成，這三部分應(yīng)以ASCII的形式出現(xiàn)。Make為電池系統(tǒng)生產(chǎn)廠家編碼。Model為HCM編碼。SerialNumber為電池系統(tǒng)生產(chǎn)編號。電池系統(tǒng)身份信息可根據(jù)需要由雙方共同定義。該部分的PGN為0xFEEB。TheBCMshallsupporttheComponentIdentification(CIPGN0xFEEB)asitisspecifiedintheSAEJ1939-71specification.TheMake,ModelandSerialNumberfieldsshallbepopulatedwithASCIIstrings.TheMakefieldshallbesettotheBatteryPacksuppliername.TheModelshallbesettotheEatonBatteryPackpartnumber.TheSerialNumberfieldshallbesettotheBatteryPacksupplierserialnumber.Thecontentofallfieldsshallbealphanumeric.Additionalfieldsmaybeaddedatthediscretionofthesupplier.Software軟件版本J1939-71規(guī)定BMS應(yīng)提供軟件身份信息，該信息由雙方共同定義。該部分的PGN為0xFEDATheBCMshallsupporttheSoftwareIdentification(SOFTPGN0xFEDA)asitisspecifiedintheSAEJ1939-71specification.ThefirstsoftwareidentificationfieldshallbesettotheEatonBCMsoftwarepartnumber.ThesecondsoftwareidentificationfieldshallbesettothesuppliersoftwareversioninASCIIrepresentation.ThecontentofallfieldsshallbealphanumericASCIIstrings.Additionalfieldsmaybeaddedat