The data communicating between the data sampling unit and the computer adopts RS485 fieldbus. At the same time, the communication protocols and RS485 communication interface are designed.
前端数据采集装置和后台上位机之间数据通信采用RS485总线，设计了RS485通信接口电路和通信协议。
The data communicating between the data sampling unit and the computer adopts RS485 fieldbus. At the same time, the communication protocols and RS485 communication interface are designed.
前端数据采集装置和后台上位机之间数据通信采用RS485总线，设计了RS485通信接口电路和通信协议。
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