Within the MCGS configuration environment, navigate to the Tool menu and find the Engineering Security Management option. From there, you can set a password that will be required every time the project is opened. This is an essential step for companies whose automation engineers develop custom logic and want to maintain control over their proprietary code.
Always document the password inside the PLC code comment or on a physical sticker inside the electrical cabinet cover (not on the HMI bezel). For critical machines, set the engineering password to a standard known by your maintenance team (e.g., M@int2025 ) rather than a random string. mcgs hmi password
Connect your PC to the HMI via a USB cable, Ethernet, or a serial programming cable. Select . Within the MCGS configuration environment, navigate to the