Overview
DAMIAO DM-JH11-2EC motor is an integrated harmonic motor (professional joint module) designed for precision transmission. It features low back clearance and high precision, with an inductive dual encoder and wide voltage input.
For pre-sales and integration support, contact https://rcdrone.top/ or email support@rcdrone.top.
Key Features
- Integrated harmonic motor; professional joint module
- Low back clearance, high precision
- Backlash: less than 40 arc seconds
- Inductive dual encoder
- Supply voltage: 24-48V (wide-voltage version, supporting power supply of 24V-48V)
- High-speed communication; communication interfaces listed as CAN and CANFD
- Supports multiple control modes (seven control modes)
- Supports CAN upgrade; UART and CAN FD dual-mode debugging
Specifications
| Parameter | DM-JH11-101-ZEC | DM-JH11-51-2EC |
|---|---|---|
| Model | DM-JH11-101-ZEC | DM-JH11-51-2EC |
| Dimensions (Diameter*Height) | 52*60mm | 52*60mm |
| Encoder | Inductive Dual Encoder | Inductive Dual Encoder |
| Supply Voltage | 24-48V (wide-voltage version, supporting power supply of 24V-48V.) | 24-48V (wide-voltage version, supporting power supply of 24V-48V.) |
| Rated Torque | 4.8Nm | 3.2Nm |
| Peak Torque | 10.5Nm | 7.8Nm |
| Rated Phase Current | 2.3A | 2.23A |
| Peak Phase Current | 3.6A | 4.26A |
| Rated Speed | 20rpm | 40rpm |
| No-load Speed | 30rpm | 60rpm |
| Rated Power | 10W | 13W |
| Reduction Ratio | 101 | 51 |
| Number of Pole Pairs | 7 | 7 |
| Phase Inductance | 538uH | 538uH |
| Phase Resistance | 1.1Ω | 1.1Ω |
| Communication | CAN, CANFD | CAN, CANFD |
Applications
- Humanoid robots
- Robotic arms
- Exoskeletons
- Quadruped robots
- AGV vehicles
- ARU robots
Manuals
- DAMIAO_DM_JH11_2EC_Motor.stp
- DM_JH11_2EC_Product_instalation_drawing.pdf
- DM-JH11-2EC-User_Manual.pdf
- USB_to_CANFD_Module_User_Manual_V1.0.pdf
Details

The DM-JH11-2EC integrated harmonic motor joint module is built for low back clearance and high-precision motion control in compact robots.


Tight backlash control helps improve repeatability for robotic arms, humanoids, and other precision joint applications.

Multiple control modes and CAN/CANFD support simplify integration, tuning, and updates during development.
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