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Hello, What we have done is we created a backup from running PLC 750-8204 by selecting option "Create Backup" After creating backup, we tried to download it to our new 750-8204 but it is showing error related to firmware mismatch can anyone help us how can I upgrade/downgrade the firmware of...

will it work if the firmware of the old 750-8204 is different than the firmware of new 750-8204 in which we will download the program from old PLC

did you find any thing worthy in screen shots?

we have the same controller 750-8204, but I think only difference is the firmware. our new CPU750-8204 has newer firmware which software/tool should I use to download PRG and CHK files?

Hello JSEngineering, I don't have a project file of the PLC. So is it possible to download the PRG and CHK files to new PLC? will it work normal? if yes, How can I download PRG and CHK files to new PLC? I don't have original backup or project file of the PLC program

Can you please tell me how to upload the backup from a running PLC as we have another machine in which the same PLC is running So I want to upload program from that PLC and download it to my new PLC

No, he has left the company and not in contact. Is there any solution?

Hello Thanks for your reply How to know that which software should I use to upload the program from PLC? Codesys or io-pro or e!COCKPIT? How can i check the required software?

Hello Everyone, I am very much new in WAGO PLC Family and i am not very much familiar with the platform of WAGO One of my colleagues has shared PLC program but when I am browsing in CODSYS software then it is not showing any file to open I have checked the folder completely and found 2 files...