[FONT="]We have two 1785-L40C15/F PLC connected in redundancy system.Now one PLC failed with an error code 239.From the manual it is control net keeper mismatch error.How it happens.Now other plc is working fine.Is it possible to upload the controlnet configuration file from the working PLC and download it to this PLC.Somebody please advise me how I can solve this issue.[/FONT]