FEETECH SM80BL 80KG Brushless RS485 Bus Servo 360° Full Metal Industrial Smart Servo

Product Overview

The FEETECH SM80BL is a high-torque industrial-grade smart bus servo designed for robotics, automation equipment, AGV systems, robotic arms, pan-tilt platforms, and multi-joint motion control applications. Featuring a brushless dual-pole motor, full steel gear transmission, magnetic encoder feedback, and RS485 serial bus communication, this servo delivers high precision, long lifespan, and reliable continuous operation in demanding environments.

With up to 80kg.cm stall torque at 12V, 360° programmable control, and support for multiple motion modes, the SM80BL is ideal for advanced robotics development and industrial automation projects requiring stable high-torque servo control.

Key Features

• Industrial-grade RS485 serial bus smart servo
• High torque output up to 80kg.cm @12V
• Brushless dual-pole motor for long service life
• Full steel gear transmission system
• Magnetic encoder feedback with high positioning precision
• 360° programmable rotation control
• Multiple motion control modes supported
• Full metal aluminum alloy housing
• Dual serial bus interface for daisy-chain networking
• Built-in overload, overcurrent, overvoltage, and overheating protection
• Supports Arduino / STM32 / PC secondary development
• Suitable for robotic joints, robotic arms, AGV systems, and automation equipment

Technical Specifications

Product Advantages

High Torque Industrial Output

Provides up to 80kg.cm torque output for heavy-load robotic joints and industrial automation mechanisms.

Brushless Long-Life Design

Adopts a brushless dual-pole motor structure with reduced wear, improved efficiency, and extended operating lifespan.

Full Steel Gear Train

High-strength steel gears with optimized transmission design improve durability, precision, and stability.

Magnetic Encoder Feedback

Built-in 12-bit magnetic encoder supports 360° rotation feedback with higher precision and longer lifespan than traditional potentiometer-based servos.

Full Metal Housing

CNC-machined aluminum alloy housing offers excellent structural strength and heat dissipation performance.

Multi-Mode Motion Control

Supports:

• Position servo mode
• Speed closed-loop motor mode
• Speed open-loop motor mode
• Step mode
• Multi-turn mode

Bus Networking Support

RS485 serial communication enables multiple servos to be connected in series, simplifying wiring for complex robotic systems.

Intelligent Electronic Protection

Integrated protections include:

• Overload protection
• Overcurrent protection
• Overvoltage protection
• Overtemperature protection

Typical Applications

• Humanoid robots
• Robotic arms
• Industrial automation
• AGV robots
• Robotic joints
• Pan-tilt systems
• Educational robotics
• Motion control systems
• Intelligent machinery
• Custom automation projects
• Related Collections→

Package Includes

Standard Version

• 1 × FEETECH SM80BL Servo
• 1 × Servo Cable
• 1 × Metal Servo Horn
• Mounting Screws and Accessories

Development Kit Version

• 1 × FEETECH SM80BL Servo
• 1 × URT-1 Debug Board
• USB Cable
• Servo Accessories Kit

Development & Debugging Support

The SM80BL supports secondary development under:

• Arduino
• STM32
• PC Software
• JAVA
• C++
• C#

Compatible with FEETECH debugging software for:

• ID configuration
• Baud rate modification
• Angle limitation setting
• Motion parameter adjustment
• Real-time status monitoring

Important Notes

• Servo performance data is measured at 12V operating voltage.
• Recommended continuous working torque is 1/3 to 1/5 of stall torque for optimal lifespan.
• Actual supported bus node quantity depends on power supply capability and wiring conditions.
• Recommended separate power grouping for large multi-servo systems.
• Rotation angle can be customized through software settings.