Posted 17 Feb 2023 (edited) Hi, I have a client with an old K2N CPU configuration. Is there a communication module that I can use, so that I can upload the excisting program to my PC with my old version of melsec medoc, over RS232? We need the program to upgrade the PLC to a new type. But they don't have a program or a listing of the program. Edited 17 Feb 2023 by Stefant63 Share this post Link to post Share on other sites
Posted 18 Feb 2023 It's easier to write the new PLC program from scratch than... 1 person likes this Share this post Link to post Share on other sites