主要讨论了通信网络的拓扑结构、通信链路控制及通信软件设计等问题。
Topology construction of communication network, line control of communication and the software design are mainly discussed.
描述了CMMS系统结构及总线仲裁链式环逻辑，介绍了通信软件设计思想，并给出了发送和接收程序流程图。
The architecture and logic of chained arbitration-bus, the design idea of communication software, and the diagrams about transmitting and receiving are given.
然后，介绍了上位机软件设计以及上位机与温度记录仪之间的通信协议设计。
And then, the design of software in PC and communication protocol between PC and temperature logger are introduced.
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