MUWEIDU K4028 Motor 12V FOC Servo Brushless DC Motor, 18bit Encoder, RS485/CAN, 560rpm
MUWEIDU K4028 Motor 12V FOC Servo Brushless DC Motor, 18bit Encoder, RS485/CAN, 560rpm
MUWEIDU
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Overview
MUWEIDU K4028 Motor is a K Series mid-to-high speed brushless DC motor designed as a high-performance FOC servo motor with an integrated electric drive concept. It is specified with an 18-bit encoder, supports speed/position control, and communicates via RS485 or CAN for integration into robotics and automation systems.
Key Features
- K Series mid-to-high speed brushless DC motor; high-performance FOC servo motor
- Integrated electric drive design; built-in driver and magnetic encoder
- Integrated motor + driver design
- Lightweight, flat structure with aviation-grade aluminum material
- High torque output; outer rotor paired with neodymium iron boron magnets
- Motor temperature monitoring: YES
- Multiple control modes shown: Torque Mode, Speed Mode, Multi-Turn Control Mode (with speed limit), Single-Turn Position + Direction Mode (with speed limit), Incremental Position Mode (with speed limit)
- PC-based parameter tuning / testing / firmware upgrade available
- Compatible with open-source development platforms including PC, MCU, PLC, industrial computer and Raspberry Pi
- Multi-layer protection mechanisms; brake function reserved (Brake / Brake Release)
- PWM input supported
- Optimized motor cogging torque
- Encoder precision upgrade note shown: from 14-bit to 18-bit
Specifications
| Model | K4028 |
| Rated Voltage | 12V |
| Rated Current | 1.43A |
| Peak Power | 8.9W |
| Rated Torque | 0.15 N.m |
| Peak Torque | 0.33 N.m |
| Rated Speed | 560 rpm |
| Encoder | 18bit |
| Rotor Inertia | 81 gcm² |
| Motor Temperature Monitoring | YES |
| Control Modes | Speed/Position |
| Communication Protocol | RS485 or CAN |
| Overall Dimensions | Φ39.6mm × 28mm |
| Weight | 90 g |
Interface Definition (CAN/RS485)
| Interface | Note |
|---|---|
| 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 |
ID switch is provided on the motor for identification/setting.
Applications
- Humanoid robots
- Robotic arms
- Exoskeletons
- Quadruped robots
- AGV vehicles
- ARU robots
- Inspection robot systems
- Handheld camera systems
- LiDAR-related platforms
- Gimbal pod systems
Manuals / Documents
For selection guidance or integration support for MUWEIDU K4028 Motor (RS485/CAN), contact support@rcdrone.top or visit https://rcdrone.top/.
Details
Built around an integrated electric-drive concept, the K4028 combines a compact BLDC motor, driver, and encoder for precise servo control.
An all-in-one motor + driver stack helps reduce wiring and simplifies integration in robotics and automation builds.
Clear interface labeling supports quick setup for RS485 or CAN communication, with an ID switch for device identification on the bus.
PC tools allow parameter tuning, testing, and firmware upgrades, with multiple torque, speed, and position control modes available.
Well suited for compact motion-control tasks such as inspection robots, gimbals, and LiDAR-related platforms.
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