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针对大型集中润滑系统的要求和特点,给出了一种基于CAN总线的大型集中润滑系统网络组建方案。提出了采用网桥实现CAN总路的二级树型网络拓扑结构,并对各个节点分组编址,从而实现了单播和广播,同时能够动态地增加与去除网络中的节点,最后规定了系统的信息格式,并设计了节点流程。该网络可以满足上千个节点的通信需求,适合用于大型集中润滑系统。
Aiming at the requirements and characteristics of large-scale centralized lubrication system, a networking scheme of large-scale centralized lubrication system based on CAN bus is presented. Proposed the use of bridges to achieve CAN total road two tree network topology, and each node grouping addressing, so as to achieve unicast and broadcast, at the same time be able to dynamically add and remove nodes in the network, and finally provides the system Information format, and designed the node process. The network can meet the communication needs of thousands of nodes, suitable for large-scale centralized lubrication system.