可实现上位机对三菱FX系列PLC的监控，包括启动、停止、修改暂存器的值以及中间继电器的状态等，附带源码供大家学习。-Host computer can be realized on the Mitsubishi FX Series PLC controls, including start, stop, modify the value of the register, as well as the middle of the state of relays and so on, with source code for all to learn.