DAMIAO DM-J4310-2EC Brushless Servo Motor

Order the DAMIAO DM-J4310-2EC brushless servo motor for your drone and get precision and power!

DAMIAO DM-J4310-2EC brushless servo motor for drone is a high-tech actuator. It combines the power of a brushless motor with the precision of a position servo. This motor is designed to control mechanisms with feedback. You will receive a reliable assembly for turntables, landing gear or manipulators on your drone. It is the choice for projects where precise positioning and high torque are important.

This servo motor is completely different from conventional brushless flight motors. It is equipped with a built-in encoder and controller. This allows precise control of the shaft angle, not just the speed. Your mechanism will move to the specified position and hold it. This opens up new possibilities for automation on board aircraft.

• Precise positioning thanks to the built-in high-resolution encoder.

• High holding torque for work under significant load.

• Brushless design for durability, efficiency and smoothness.

• Intelligent Controller with support for CAN, PWM, SBUS protocols.

• Robust and compact housing for installation in confined spaces.

How does an intelligent servo motor work?

The servo motor receives the target command from the control computer. This could be the desired steering angle or speed. The built-in controller compares the command with the current position of the shaft. Position data comes from an absolute encoder. The controller then calculates the required current for the motor. The motor turns the shaft exactly at the specified angle with the required force.

This is a classic closed loop system. It automatically compensates for changes in shaft load. If there is an obstacle in the way, the servo will increase the force. He will try to achieve a given position. This fundamentally distinguishes it from a simple motor without feedback. The accuracy and intelligence of the work is an order of magnitude higher.

Technical characteristics and applications

Model DM-J4310-2EC has a rated torque of approximately 1 Nm. The peak torque can be significantly higher. The operating voltage is 24-48V DC. The shaft is equipped with a high-precision magnetic encoder with a resolution of 17 bits. This allows positioning to be accurate to thousandths of a degree. The controller supports CANopen protocols and its own DAMIAO protocol.

The functionality includes several operating modes. Position mode for precise rotation to a given angle. Speed ​​mode for constant speed rotation. Torque mode for creating a given force on the shaft. It is also possible to configure acceleration and braking profiles. All parameters are configured through special software.

This servo motor is indispensable for complex on-board systems. It is used to rotate antennas or cameras in tracking systems. It can control the aircraft landing gear or the cargo release mechanism. In ground robots, it drives manipulators or wheels. Any device that requires precise and powerful movement will benefit from its use.

Installation requires attention to installation and configuration. It is necessary to securely fasten the case to avoid vibrations. Connect the power wires and communication cable to the control controller. Perform an initial calibration of the encoder zero position. Adjust PID controller parameters for optimal performance. The process requires an understanding of the basics of servo control.

Motor parameters (24 V)

• Rated voltage: 24V
• Rated current: 2.5A
• Peak current: 7.5A
• Rated torque: 3Nm
• Peak torque: 7 Nm
• Rated speed: 120 rpm.
• Maximum idle speed: 200 rpm.

Engine characteristics

• Reduction ratio: 10:1
• Number of pole pairs: 14
• Phase inductance: 340 µH
• Phase resistance: 650 mOhm

Structure and weight

• Outer Diameter: 57mm/2.2in
• Height: 46mm/1.8in
• Motor weight: about 300g/0.7lb

Encoder

• Encoder bits: 14 bits
• Number of encoders: 2
• Encoder type: Magnetic encoder (single turn)
• Communication:
• Control interface: CAN with a speed of 1 Mbit/s.
• Parameter setting interface: UART with a speed of 921600 bps.