三菱FXPLC读写小程序，比较实用。里面包含一个读写类文件通过调试可用-MITSUBISHI FXPLC read and write a small program, more practical. Which contains a read and write class file is available through debugging

上位机与三菱plc的串口通讯，通过c#程序写的一个winform程序(Serial communication between host computer and MITSUBISHI PLC)

C#和三菱Fx系列plc通讯程序 mx component(C # and Mitsubishi Fx Series plc Communication Program mx component)