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介绍FX2N系列PLC的通信协议,利用VisualC++实现了单台上位机与多台FX2N系列PLC的通信,并能实时监控PLC的运行.
This paper introduces the communication protocol of FX2N series PLC, and realizes the communication between single PC and multiple FX2N series PLCs by using Visual C ++, and can monitor the operation of PLC in real time.