DESCRIPTION
The HAITAI HT-S-3505 is a compact low-speed brushless servo motor with an integrated RS485 driver, designed for precision motion control applications. Combining a high-efficiency BLDC motor, 14-bit magnetic encoder, and closed-loop servo control, it delivers smooth positioning, stable low-speed operation, and reliable communication for robotics and industrial automation.
Supporting torque, speed, and position control modes, the HT-S-3505 is ideal for pan-tilt systems, EO/IR gimbals, surveillance cameras, robotic joints, machine vision equipment, precision automation, and research platforms. The integrated RS485 communication interface simplifies system integration while reducing wiring complexity. The published specifications match the manufacturer's data for voltage, torque, speed, encoder resolution, and communication interface.
Features
- Integrated brushless servo motor with built-in driver
- RS485 communication interface
- High-resolution 14-bit magnetic encoder (0.022°)
- Closed-loop position, speed and torque control
- Excellent low-speed stability
- Compact Ø40 mm aluminum housing
- Low noise and smooth operation
- Suitable for continuous industrial operation
- Supports 12–24V driver input
- Easy integration into automation systems
Specifications
| Parameter | Value |
|---|---|
| Model | HT-S-3505 |
| Motor Type | Brushless DC Servo Motor |
| Rated Voltage | 12V |
| Driver Input Voltage | 12–24V |
| Rated Current | 1.5A |
| Rated Torque | 0.08 N·m |
| Stall Torque | 0.21 N·m |
| Rated Speed | 1400 RPM |
| Maximum Speed | 1800 RPM |
| Stall Current | 2A |
| Line Resistance | 5.2 Ω |
| Phase Inductance | 0.66 mH |
| Speed Constant | 116 rpm/V |
| Torque Constant | 0.05 N·m/A |
| Rotor Inertia | 55 g·cm² |
| Pole Pairs | 11 |
| Motor Diameter | 40 mm |
| Motor Weight | 78.5 g |
| Connector | 1.25 mm 6-Pin |
| Driver Current Range | 0.03–2.5A |
| Communication | RS485 |
| Encoder Resolution | 14-bit (0.022°) |
| Control Modes | Torque / Speed / Position |
| Working Temperature | -45°C to +85°C |
| Maximum Demagnetization Temperature | 120°C |
Applications
- EO/IR Gimbal Systems
- Camera Pan-Tilt Units
- Surveillance Equipment
- Robotics
- Robot Joints
- Industrial Automation
- Inspection Equipment
- Optical Tracking Systems
- Machine Vision
- Scientific Research Platforms
- Precision Motion Control
- Laboratory Equipment
What's Included
- 1 × HAITAI HT-S-3505 Servo Motor
- Integrated RS485 Driver
- Integrated 14-bit Encoder
FAQ
Does the HT-S-3505 include a motor driver?
Yes. The HT-S-3505 integrates the servo driver inside the motor housing.
Which communication interface does it use?
RS485 serial communication.
What control modes are supported?
Torque control, speed control, and position control.
Does it support closed-loop control?
Yes. It uses a built-in 14-bit encoder for closed-loop servo control.
What applications is this motor designed for?
Robotic systems, gimbals, pan-tilt mechanisms, automation equipment, machine vision, and precision positioning.
