Overview
The DAMIAO DM-J8009-2EC is an integrated Robot Motor combining a high-torque BLDC actuator with a built-in driver and dual encoders for precise, absolute position control. It offers CAN bus control and telemetry, visual PC-based debugging, firmware upgrade support, and dual temperature protection in a compact 98 mm form factor, suitable for multi-axis robotic systems.
Key Features
- Dual encoders with single-turn absolute position on the output shaft; retains absolute position through power loss.
- Integrated motor and driver for a compact, high-integration actuator.
- Host-computer visual debugging and firmware upgrade support.
- CAN bus telemetry: speed, position, torque, motor temperature, and more.
- Dual temperature protection.
- Position mode supports trapezoidal acceleration/deceleration.
- CAN control at 1 Mbps; configuration via high-speed UART.
Specifications
| Model | DM-J8009-2EC |
| Nominal Voltage | 24 V |
| Nominal Current | 20 A |
| Peak Current | 50 A |
| Nominal Torque | 20 N m |
| Peak Torque | 40 N m |
| Nominal Speed | 24 V: 100 rpm; 48 V: 200 rpm |
| Max. No-load Speed | 24 V: 160 rpm; 48 V: 320 rpm |
| Reduction Ratio | 9:1 |
| Pole Pairs | 21 |
| Phase Inductance | 61 uH (@25 °C) |
| Phase Resistance | 0.09 Ohm (@25 °C) |
| Outer Diameter | 98 mm |
| Height | 61.7 mm |
| Motor Weight | 896 g |
| Encoder Resolution | 14 bit |
| Encoder Quantity | 2 |
| Encoder Type | Single-turn magnetic encoder |
| Control Interface | CAN @ 1 Mbps |
| Configuration Interface | UART @ 921600 bps |
What’s Included
- Motor (including driver) x1
- Power connection cable: XT3o male-to-female power cable x1
- CAN communication terminal: GH1.25 connecting cable, 2-pin x1
- Debugging serial port signal cable: GH1.25 connection cable, 3-pin x1
Applications
- Humanoid robots
- Robotic arms
- Exoskeletons
- Quadruped robots
- AGV vehicles
- ARU robots
Manuals
Installation Drawing
Reference mechanical drawing shows round finned housing, outer diameter 98 mm, central bore Ø22, and multiple mounting bolt circles with 6 x M4 and 6 x M5 holes for integration.

Details
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