The primary factory or maintenance password for MCGS HMIs (such as the TPC series) is 40721. This password is often used to enter the system interface or specialized configuration menus. Common Default Credentials
Screen/User Password: This is used on the physical HMI hardware to log in as an Operator, Technician, or Admin. How to Reset or Recover an MCGS Password mcgs hmi password
In newer versions of MCGS (like MCGS Pro), there are security policies you can generate/configure. The primary factory or maintenance password for MCGS
Before attempting a reset, you must identify which password you are dealing with. MCGS uses two distinct security layers: Power cycle the HMI
If the application is protected by a custom password, you can attempt recovery using the following methods: Upload from HMI: Connect your PC to the HMI via Ethernet (default IP: 192.168.1.200 ) or RS-232. MCGS Studio MCGS 昆仑通态 Tools (工具) → Upload Project (上载工程)
111111. If that fails, try 888888.Supervisor/Technician (Level 2+): Modifying setpoints and recipe management.
The Dual Layer of Security: Project vs. System