通过虚拟串口可实现虚拟研华ADAM-4050模块的功能，可用于工控现场调试，虚拟DIO功能引入。在组态王等软件上可正常交互。-Through the virtual serial port can realize the virtual Advantech ADAM-4050 module function, can be used for industrial control field debugging, virtual DIO function introduction. The nor