CodePudding user response:

Error, communication data error, check the data cable!

CodePudding user response:

Communication not connected, check the communication line, set the serial port and your computer's serial port is consistent, the serial port Settings in the options, then click software in point detection, can see the connected to the PLC communication situation

CodePudding user response:

Problem solved?
PLC can appear communication, can I upload, prompt order function block error, errors can't download, download 2

CodePudding user response:

Communication parameters does not match the
Baud rate, data bits, parity, stop bits, the four parameters of PLC and computer Settings should agree