VC编写PC与PLC通信的程序，在VC与PLC串口通信时，运用MSCOMM控件可以实现通信-VC to write PC and PLC communication program VC PLC serial communication, the communication can be achieved using MSCOMM control

PC与FX系列PLC通讯DLL,You can try it, learn to use, thank you! The The-You can try it, learn to use, thank you! The The

PLC软件，直接可以下载用，可以查找看一下(PLC software, can be downloaded directly, you can look up)