MUWEIDU L9040 Servo Motor 24V 100rpm 1.55N.m 15/18-bit Encoder RS485/CAN for Robotics
MUWEIDU L9040 Servo Motor 24V 100rpm 1.55N.m 15/18-bit Encoder RS485/CAN for Robotics
MUWEIDU
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Overview
The MUWEIDU L9040 Motor is a compact servo motor designed for low-speed, high-precision brushless DC motor applications. It supports speed/position control and offers RS485 or CAN communication options, with encoder choices of 15-bit or 18-bit.
Key Features
- Series of low-speed & high-precision brushless DC motors (Mini Servo Motors)
- Hollow-shaft design
- Stable & smooth operation
- CE certified
- Integrated high precision; lightweight construction; high torque performance
- Meets the requirements of low-speed and high-precision position control
- High-performance 32-bit MCU (MS Series fully compatible with all control commands of the MF Series)
- Premium silicon steel sheets and high-temperature resistant high-performance permanent magnets used as core motor materials
- Outer rotor multi-stage flattened design for higher torque in space-constrained applications
- Brushless structure with high-performance bearings for smoother rotation and longer service life
- High-precision, low-temperature-drift alloy resistors for accurate current sampling and control
- Full N-channel three-phase full-bridge drive for low internal resistance and high current output
- Supports seamless switching between torque open-loop, speed, and position control modes
- Drive highlights: input voltage 12~60V; CAN or RS485 bus communication; 32-bit MCU with 72MHz operating frequency; 18-bit single-turn absolute encoder; one-time calibration with zero position never lost
Specifications
| Model | L9040 |
| Rated Voltage | 24V |
| Rated Current | 1.72A |
| Peak Power | 1.7W |
| Rated Torque | 1.55 N.m |
| Peak Torque | 2.7 N.m |
| Rated Speed | 100 rpm |
| Encoder | 15bit or 18bit |
| Rotor Inertia | 3100 gcm² |
| Motor Temperature Monitoring | YES |
| Control Modes | Speed/Position |
| Communication Protocol | RS485 or CAN |
| Overall Dimensions | Φ30mm × 25mm |
| Weight | 49 g |
Applications
- Humanoid robots
- Robotic arms
- Exoskeletons
- Quadruped robots
- AGV vehicles
- ARU robots
Interfaces
- ID switch
- CAN/RS485 connector
| B/L | RS485-B or CAN-L |
| A/H | RS485-A or CAN-H |
| V- | Negative power supply |
| V- | Negative power supply |
| V+ | Positive power supply |
| V+ | Positive power supply |
| T | UART transmitter |
| R | UART receiver |
| G | Signal GND |
Manuals
For product selection and technical support, contact support@rcdrone.top or visit https://rcdrone.top/.
Details
Compact mini servo motors designed for low-speed, high-precision motion with a hollow-shaft form factor.
An integrated drive design pairs durable motor materials with smooth bearings and a torque-focused outer-rotor structure.
Bus control via CAN or RS485 with wide input voltage support and high-resolution encoder feedback for precise speed/position loops.
Clear connector pin definitions and an onboard ID switch simplify wiring and multi-node bus setup.
PC tools enable parameter tuning and firmware updates, with encoder options available in 15-bit or 18-bit versions.
Suitable for compact robotics and motion-control builds such as gimbals, sensor rotation, and camera positioning.
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