适合新手的c，C++，vb串口通信例程,值得下载-usart by c,c plus and vb for freshman

我们用plc224 来控制变频器，本例程用vb做了一个监控界面，可以实现与变频器的通信-we use plc 224 to contorl the convertor,the programme do a monitor system,it can realize the communication with the convertor.

VB通信例程资源VB大集合！VB communication routine resource VB large collection!(VB communication routine resource VB large collection!)