Vehicle control local area network (LAN) CAN network
A vehicle control, local area network technology, applied in the direction of network interconnection, data exchange through path configuration, electrical components, etc., to achieve the effect of improving signal utilization
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[0010] The vehicle control local area network CAN network provided by the present invention includes: a first CAN network based on the ISO 11898 protocol; a second CAN network based on the SAE J1939 protocol; and a gateway connected between the first CAN network and the second CAN network, the gateway Convert the message received from the first CAN network into a message conforming to the SAE J1939 protocol and send it to the second CAN network, and convert the message received from the second CAN network into a message conforming to the ISO 11898 protocol and send it to First CAN network.
[0011] ISO 11898 is a CAN high-speed communication standard with a communication speed of 125kbps to 1Mbps. The first CAN network in the vehicle CAN network provided by the present invention may be a 500kbps network supporting the ISO 11898 protocol. The specific format of the data message unit of the ISO 11898 protocol is shown in Table 1. Usually many ECUs produced by many passenger ca...
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