Mitsubishi Elevator Door Control Board DOR-120C, GPS-III Series Door Operator PCB, 220V AC Door Motor Drive Panel with Encoder Feedback, Original Replacement Part for Mitsubishi Lift Door System 

The core controller of the door operator system, the DOR-120C, is the original door operator control board for Mitsubishi GPS-III (GPS-3) series elevators. As the "brain" of the door system, it receives door opening and closing commands from the main control board, drives the door operator motor to achieve smooth door opening and closing, and precisely controls door speed, position, and torque.

High-precision closed-loop control incorporates door operator encoder signals to monitor door position and speed in real time, adjusting output power in a closed loop to ensure smooth, shock-free door opening and closing. Even with load fluctuations of ±15%, the door closing positioning accuracy remains at ±2ms, preventing people from being pinched and impacted.

Multiple safety protection logics integrate overcurrent, overload, overvoltage, and overheat protection; it immediately reverses to prevent pinching when encountering resistance/obstacles; in case of door operator malfunction, it reports a fault code to the main control board, prohibiting elevator operation and eliminating safety hazards.

Signal interaction and timing management interface with the elevator main control board (such as KCD-70X) processes door opening/closing commands, door arrival signals, and door lock safety circuit signals; achieving a standard timing sequence of "door open → door in position → door close → door lock," ensuring synchronization with the overall machine's operating logic.

Easy adaptation and maintenance: Designed specifically for the Mitsubishi GPS-III series, compatible with various door operator motors; plug-and-play, replacement requires no modification; supports fault self-diagnosis, facilitating rapid problem location during maintenance and reducing downtime.