Idec Controls Training – Video – Changing your PLC/HMI IP address February 2, 2016December 11, 2018 AdminJMeiler Comments are off. Technical Support - Controls You are here: KB Home Technical Support - Controls Idec Controls Training - Video - Changing your PLC/HMI IP address < BackRESOLUTION This video covers how to change your PLC/HMI IP addresses to match your buildings network subnet.Click here to view video Share on