The way of node embranchment is adopted for extended CAN field-bus area, and a detailed explanation is provided of the node embranchment of the system address and the address in node embranchment.

• 为了扩大CAN的网络覆盖面,采用了节点分支的方法,并对节点分支的系统地址和节点分支内地址作了详细的说明。