这种分层授权机制借鉴了Windows NT的用户管理思想，使系统可以轻松构建从操作员、技术员到管理员的完整安全体系。同时，MCGS预设了一个不可删除的"管理员组"和用户"负责人"，它们拥有最高管理权限。
Granted standard access. They can start or stop processes and view production data but cannot modify critical system limits.
If you want operator login protection:
In the MCGS development environment (such as MCGS Embedded or MCGS Pro Designer), developers can configure detailed user security for the HMI application itself. : The system supports up to 17 security levels (Level 0 to Level 16). : This is the lowest level and usually has an empty password by default. Higher Levels mcgs hmi password work
Ensures only supervisors can modify critical parameters like PID loops or calibration constants. How Runtime User Passwords Work
This content covers the standard "System Password," the specific "Download/Upload Passwords," and how to handle lost password scenarios.
Log all password updates in a secure password manager or physical plant registry to prevent future lockouts. : The system supports up to 17 security
在实际应用中，常会遇到以下几个典型问题：
For a password to "work" on the screen, you must use the standard login dialog or link a "String Input" box to the system variable !UserPassword . Handling Forgotten Passwords If you are locked out of an MCGS project:
Comprehensive Guide to MCGS HMI Password Security: Configuration, Levels, and Troubleshooting How Runtime User Passwords Work This content covers
For many embedded MCGS models, you can enter a "factory" password to reset user credentials. On the HMI login screen, try entering .
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If it accepts it, you can navigate to the user management area to set a new password. Method 2: Accessing System Menu via USB/Restart
The quickest solution is to reach out to the original machine manufacturer for the security code.
To prevent unauthorized users from extracting or overwriting the HMI project, separate communication passwords can be established.