Posted 14 Oct 2019 (edited) Hi, I have a problem with modbus communication. I set everything as shown in the pictures and I get a error 04. What is wrong ? program.bmp ustawienia.bmp Edited 14 Oct 2019 by Ertryw Share this post Link to post Share on other sites
Posted 14 Oct 2019 Your PLC Settings show communication settings for the Option Port. Are you using the Built-In Port? Share this post Link to post Share on other sites