The master computer is used as the centre of control system and synthetic judgment, and is connected with PLC by RS-485 communication line to perform real-time monitoring on local apparatus.
控制主机做为系统的控制和综合判断中心，利用RS-485通信线与PLC进行通信，实现现场设备的实时监控。
The master computer is used as the centre of control system and synthetic judgment, and is connected with PLC by RS-485 communication line to perform real-time monitoring on local apparatus.
控制主机做为系统的控制和综合判断中心，利用RS-485通信线与PLC进行通信，实现现场设备的实时监控。
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