These codes are official reset mechanisms, not "hacks." They are worth trying because they require no software and carry no legal risk—but they come at the cost of data loss.
On newer models like DOP-100, long-pressing an empty area on the screen can sometimes grant access to system menus for resetting, provided "password check" is not enabled for the system key.
If you work in industrial automation, you have likely encountered a common scenario: a machine goes down, the original programmer is long gone, and the Human Machine Interface (HMI) is locked behind a forgotten password.
How do I set a password for projects on HMI? - Delta Electronics delta hmi password unlock software hot
: Many tools advertised as "password crackers" for PLCs and HMIs are trojanized with malware like Sality. These can turn industrial workstations into bots for cryptocurrency mining or password cracking on other systems. System Instability
Malware embedded in third-party automation tools can act as a backdoor, giving malicious actors access to your plant's SCADA and OT (Operational Technology) network.
Delta HMI Password Unlock Software: Comprehensive Guide & Risks These codes are official reset mechanisms, not "hacks
If you are locked out of a Delta HMI, you must exhaust official and secure methods before considering hardware replacement:
A quick search will reveal various forums and websites offering "Delta HMI unlock tools." It is critical to approach these with extreme caution.
If you have the project file ( *.dop ) on a computer but don't know the password used in the file: How do I set a password for projects on HMI
Prevents unauthorized users from extracting the compiled project file ( .dps , .dpb , or .dop ) from the HMI back to a PC.
Most "crack" tools are distributed as executable ( .exe ) files without digital signatures. Security researchers frequently find that these packages contain Trojan horses, ransomware, or keyloggers. Downloading these tools onto an engineering laptop can expose an entire factory network to cyber threats. 2. Hardware Brick Risk
Bypassing security on proprietary code may violate service agreements or intellectual property laws. Preferred Alternatives