三菱FX系列PLC与电脑通讯VB源码，希望高手开发出超级加密软件 -Mitsubishi FX series PLC and computer communications VB source, suitable for industrial friends

VB与三菱GX-developer仿真软件通讯,红绿灯演示源码.-VB and simulation software Mitsubishi GX-developer communication, traffic lights demo source code.