I want to design a data read and write using VB6.0 by use interface, PC and PLC through the Ethernet connection, through the DB of the PLC in the TCP/IP communications, speaking, reading and writing data, ask the great spirit show just a little, have done can send some information for me to learn, thanks for the email to [email protected]

CodePudding user response:

Only played Japanese PLC

CodePudding user response:

Using winsock control, create a connection (IP and port), according to the specifications to send the order, receiving data, process the data

CodePudding user response:

Of course, you must have the TCP/IP communication function of PLC