Locks the project file inside the editing software, preventing competitors from viewing or copying the screen design and macro scripts. The Vulnerability of Older Models
The safest solution is to bypass the HMI hardware entirely. Check engineering servers, old backups, or the original machine manufacturer's (OEM) documentation for the original DOPSoft project file. Downloading a known backup file to the HMI overrides the forgotten password automatically. 2. Contact Delta Technical Support or the OEM
If you have the password or are starting with a fresh configuration, this is the official way to set system menu permissions, as outlined in Delta’s official FAQ: delta hmi password unlock software hot
Prevents unauthorized technicians from pulling the compiled project file ( .dps or .dop ) from the HMI into Delta's DOPSoft programming software.
The safest and most ethical path is to contact the OEM or the system integrator who built the machine. They usually keep backups of the uncompiled master project files ( .dps or .dop ) and can send you a fresh copy or provide the master password. Locks the project file inside the editing software,
Delta Electronics designs its HMIs with multiple layers of security to protect proprietary PLC code, screen layouts, and operational logic.
The system configuration page frequently utilizes as the highest-level default security password. Downloading a known backup file to the HMI
If you legally own the machinery and the intellectual property within it, you can contact Delta Electronics or your local authorized distributor.
Bypassing the "Upload" password verification during a direct PC-to-HMI transfer.