J1939协议

-SAEJ1939207080102090(ECU)ECU--CANControllerAreaNetworkCANBOSCHISOCANCANCAN8CANCAN1Mbit/sCAN(1)*,(2)*(3)CANCANCANCANPOLOCANCAND/ACANCANCANISO()OSICANCANCANopenSAEJ1939J1939250KbpsJ1939SAE(SocietyofAutomotiveEngineer)J1939(1)CAN2.0BISO11898CAN250Kbps(2)PDU(ProtocolDataUnit)PDUCANCAN8PDU(3)CAN2.0B29PDUPDU(4)J1939ISO11992J1939J1939em2003em2003J1939*em2003SAEJ1939SAE1587ISO9141J1939SAEJ1939SAEJ1939CANSAEJ1939CANCANSAEJ1939J1939/01J1939/12250Kbps,J1939/13J1939/31J1939/71J1939/72J1939/73-J1939/81J1939J1939CAN-HCAN-LCAN-SHLDCAN-HCAN-LECUECUECUSAEJ1939ECUECUECU30250Kbps120,J1939ECU()J1939J1939CAN2.0BJ193929IDSAEJ1993CANSAEJ1993PDUPDU7PDUPDUCANSOFSRRIDERTRCRCACKEOFPDUCANSAEJ1939P00002711123011AKC6110PGNRSAECANSAE0DP01PDUPFPDU8J1939PDU1PDU2240PDU1240~255PDU2PDU1PDU2PGNPDUPS--8PDUPFPDUPF240PDUPF240255PDUGESA80888891785CAN9DLC8CAN99J193911IDECUJ1939ECUECUECU/ECUABSECUECUECU---ECU./ECUECUSAEJ1939ECUECUECUECUECU,1#2#1#ABS]ECUECUJ1939ECU00to1270ECU128to247248to253ECUsECU254254255ECUECUECU1ECUSelf-ConfigurableECUsECU2ECUCommandConfigurableECUsECUECUECUECUECUECUECU3ECUServiceConfigurableECUsECUDIPECUcommandedaddress4ECUNon-ConfigurableECUsECUsECUECUJ1939255PDU2PF240-255PDU1PDU2ECU250Kbps400S,81280.5ms064250ECUECURAMECUSPNECUJ1939ECUJ1939ECUECU