// Standard system function - no manual coding typically required // However, to force a login before a critical action: IF !LogOn( ) = 1 THEN // Success: Enable advanced controls !SetUserLevel(5) ELSE // Failure: Stay at current level !ShowUserMsg("Access Denied: Incorrect Password") ENDIF
If the steps above fail, the HMI might be heavily locked or the project might be corrupted.
Add a (text: "Enter Password"). Add a Numeric Input object linked to Entered_PW . Under its properties, set "Input Format" to decimal, "Max Length" = 4. mcgs hmi password work
(button click):
Every interactive element on an MCGS screen—such as buttons, input boxes, and page navigation links—can be assigned a specific security level. When an operator taps a restricted button, the HMI automatically cross-references the current user's permission level. If the level is insufficient, the HMI prompts a login dialog box requiring a username and password. 2. Setting Up Passwords in MCGS Workbench // Standard system function - no manual coding
Always keep an unprotected "master" copy of the project file in a secure offline location.
: Different security levels can be assigned to buttons (e.g., "Start" vs. "Reset Factory Settings"). Protect System Settings Under its properties, set "Input Format" to decimal,
In conclusion, MCGS HMI password work is a critical aspect of ensuring the security and integrity of industrial automation systems. By understanding how passwords function, following best practices for password management, and troubleshooting common issues, administrators can maintain a secure and reliable system. Remember to prioritize password security and regularly review and update your password policies to prevent unauthorized access and potential security breaches.
The MCGS software (such as ) allows for multi-layered security. You will typically encounter three distinct password levels: