The communication protocol based on CAN buses was proposed and has been tested on the physical model.
提出了基于CAN总线的分布式控制系统通讯协议，并在实物模型上调试通过。
The specifications of physical, data link and application layers of HART communication protocol are introduced briefly.
简单介绍了HART通信协议的物理层、数据链路层、应用层的规范。
The topology of the network, the physical interface and the communication protocol are also described.
文中对控制网络的物理层接口、拓扑结构、通信协议等作了较为详细的说明。
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