The system is devided into two layers, a PC is used in up layer for supervising of message and control, a PLC is used in bottom layer for controlling task.
该系统为两级控制，PC机作为上位机进行信息管理和控制规划，PLC作为控制机实现控制任务。
The system is devided into two layers, a PC is used in up layer for supervising of message and control, a PLC is used in bottom layer for controlling task.
该系统为两级控制，PC机作为上位机进行信息管理和控制规划，PLC作为控制机实现控制任务。
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