DAMIAO DM‑J4310P‑2EC (24V) Brushless Servo Joint Motor with Dual Encoders and Integrated Driver
The DM‑J4310P‑2EC (24V) is a compact and highly integrated brushless servo joint motor designed for robotic arms, humanoid joints and precision motion control applications. It features a 10:1 precision gearbox, built‑in driver and dual magnetic encoders, providing absolute single‑turn position output even after power loss. With MIT mode, speed mode and position mode, along with real‑time CAN feedback, it offers high performance, stability and easy system integration.
Main Features
Dual encoders: Absolute single‑turn position retention with no loss after power‑off.
Integrated motor & driver: Compact structure with reduced wiring complexity.
Multiple control modes: MIT mode, speed mode and position mode.
Real‑time CAN feedback: Speed, position, torque and temperature monitoring.
PC visualization tool: Supports tuning and CAN parameter read/write.
CAN firmware upgrade supported: Easy maintenance and system expansion.
Dual‑temperature protection: Independent driver and motor temperature protection.
Specifications
Motor Parameters
Rated Voltage: 24V
Rated Phase/Power Current: 4.9A / 3.1A @24V
Peak Phase/Power Current: 20A / 16.5A @24V
Rated Torque: 3.5Nm
Peak Torque: 12.5Nm
Rated Speed: 120rpm
No‑Load Speed: 200rpm
Motor Characteristics
Gear Ratio: 10:1
Pole Pairs: 14
Phase Inductance: approx. 320µH
Phase Resistance: approx. 580mΩ
Structure & Weight
Outer Diameter: 57mm
Height: 49mm
Weight: approx. 325g
Encoder
Resolution: 16‑bit
Number: 2 (dual encoders)
Type: Magnetic single‑turn absolute
Communication
Control Interface: CAN @1Mbps
Debug Interface: UART @921600bps
Control Modes
MIT Mode
Speed Mode
Position Mode
Protection Features
Driver Over‑temperature: 120°C (auto disable)
Motor Over‑temperature: ≤100°C (auto disable)
Over‑voltage Protection: ≤32V
Under‑voltage Protection: ≥15V
Over‑current Protection: ≤9.8A
Communication Loss: Auto disable if CAN command timeout
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