In the world of industrial automation, Human-Machine Interfaces (HMIs) are the nerve centers of operations. They are the windows into the Programmable Logic Controllers (PLCs) that run factories, water treatment plants, energy grids, and transportation systems. Among the most popular and reliable brands in this space is Delta Electronics, particularly their DOP (Delta Operator Panel) series.
And they will thank you for the convenience. Disclaimer: This post is for educational and defensive security purposes only. The author does not condone unauthorized access to any industrial control system. Always obtain written permission before testing credentials on any production HMI. delta hmi default password
| Delta HMI Series | Default Username | Default Password | Protocol/Interface | | :--- | :--- | :--- | :--- | | (Standard) | (Blank) | 111111 | Ethernet / USB / RS-232 | | DOP-B Series (Older firmware) | (Blank) | 999999 | Serial / DOPSoft | | DOP-W Series | (Blank) | 111111 | All interfaces | | DOP-100 Series (Newer) | Admin | 111111 | Ethernet / USB | | DOPSoft (PC Software) | N/A | 111111 | Project file protection | | System Recovery Mode | delta | delta | Bootloader / UART | And they will thank you for the convenience