If you have lost the download/upload password and do not need to save the existing program, you can reset the physical HMI hardware to its factory state. Format a USB drive to FAT32.
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Implement so operators cannot change engineering parameters. mcgs hmi password work
If intellectual property protection is a priority, uncheck the "Allow Project Upload" option during the final compilation phase. This completely removes the source code files from the physical HMI, making it impossible to reverse-engineer via software tools.
If an operator forgets their runtime password, standard system integrators use a backdoor screen built into the project design: If you have lost the download/upload password and
IF Entered_PW = Master_PW THEN Login_Flag = 1 Entered_PW = 0 ' Clear for security ' Optional: Switch to main menu screen Screen = 0 ELSE Login_Flag = 0 MsgBox "Incorrect Password", 0 Entered_PW = 0 ENDIF
In industrial automation, the MCGS (Monitor and Control Generated System) If intellectual property protection is a priority, uncheck
Create a corresponding logout button that executes !LogOff() or resets $UserLevel = 0 . 4. Addressing MCGS HMI Password Losses and Lockouts
When attempting to upload a project from the physical HMI to a PC, the software may prompt for an upload password set by the original system integrator.