This paper researches on intelligent power monitoring system to realize the remote communication, based on the RS-485 communication mode of the Modbus communication protocol. It realizes the monitoring terminal control by the upper monitor machine. It also mainly introduces RS-485 communication standard and Modbus communication protocol for this system.%智能电力监测系统的远程通信的实现是采用基于Modbus通信协议的RS-485通信方式,实现了上位监控机对监测终端的控制,主要介绍适于智能电力监控系统通信的RS-485标准和Modbus通信协议.
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