Description: how to use c + + MFC software implementation using serial port 485 and mitsubishi PLC communication?
Mitsubishi PLC communication process is probably: client issue instructions to me, I began to perform; The orders to send PLC after the completion of complete, is to realize the communication,

Please the great god guide! Thank you thank you

CodePudding user response:

What is the communication protocol used

CodePudding user response:

TCP protocol, I found the mitsubishi DLL library, I wrote a demo of MFC, resources in the demo project of solution right click on add reference, in the pop-up interface on the "browse" button, and then click the browse button to mitsubishi's DLL references came in, call methods can and PLC communication; But in my development of engineering reference to add on the interface of the "browse" button, this is how to return a responsibility? Is MFC project,