jugenzhu1963
Member
hi,
when i try to download modified programm to cpm1 plc i got this message "UM is protected". the machine is used one and need make some change. i can upload programm from plc. anybody knows how to release this protection?
thanks lots
when i try to download modified programm to cpm1 plc i got this message "UM is protected". the machine is used one and need make some change. i can upload programm from plc. anybody knows how to release this protection?
thanks lots