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The SM-2924-C012 is an industrial-grade RS485 smart servo motor with a brushless drive and full-rotation control. It is engineered for industrial automation, robotics and logistics systems that need stable torque, precise positioning and long-term reliability.
RS485 communication gives reliable, stable networking of many devices. The brushless motor and steel gearbox give high efficiency, long service life and consistent torque.
The servo runs from 12V or 24V supplies, supports 0 to 360 degree angle control and continuous rotation, and monitors its state in real time with built-in overload and over-current protection.
Industrial RS485 serial control: reliable communication for multi-device networking.
Brushless motor with steel gearbox: efficient, long-lived, consistent torque.
Wide voltage: operates on 12V and 24V supplies (9V to 25V).
Full rotation and multi-turn: 0-360 degree angle control and continuous rotation modes.
Feedback and protection: real-time monitoring with overload and over-current protection.
A serial bus servo is a smart actuator: instead of a single PWM wire, it has a data line on which a controller sends commands and reads feedback. Many servos can share one data wire, and each one has its own ID number, so a robot arm with a dozen joints needs only a single cable run.
The controller can read back position, speed, load, voltage, current and temperature from each servo, which makes it possible to build closed-loop systems and to detect a stalled or overheating joint. Most bus servos are set up with a small configuration tool that assigns the ID and the communication speed.
Match the servo's supply voltage and the logic level of the bus to your controller, use an adapter board made for the protocol, and give the servos a dedicated power supply that can deliver their stall current so the voltage does not drop when several servos move at once.
Industrial automation
Robotics and logistics systems
Multi-axis motion using an RS485 network
Continuous rotation drives
Modbus-RTU controlled actuators
The specification list gives a stall torque of 20kg.cm, an input voltage of 9V to 25V, a no-load speed of 0.098s/60 degrees (102 RPM) at 24V, a running current of 150mA at 24V, the Modbus-RTU protocol, an operating temperature of -15 to 60 degrees C, a size of 55 x 30 x 91.85mm and a weight of 267 plus or minus 3g.
You need an RS485 interface on your controller and a Modbus-RTU library or PLC to command the servo.
Stall torque: 20kg.cm
Input voltage: 9V-25V
No-load speed: 0.098s/60 (102 RPM) at 24V
Running current: 150mA at 24V
Protocol: Modbus-RTU (RS485)
Operating temperature: -15 to 60 C
Size: 55 x 30 x 91.85mm
Weight: 267 +/-3g
1 x SM-2924-C012 RS485 serial bus servo motor
Automation and robotics engineers who need a networked, high-torque RS485 servo.
Modbus-RTU over RS485.
20kg.cm.
9V to 25V, so 12V or 24V supplies.
Yes, it supports full rotation and continuous modes.
About 267g.
Overload and over-current protection.
| Brand | Generic |
|---|---|
| Dimensions | 55 x 30 x 91.85 mm |
| Operating Temperature | -15 to 60 C |
| Operating Voltage | 9-25V |
| Protocol | Modbus-RTU (RS485) |
| Stall Torque | 20kg-cm |
| Weight | 267.000000 g |
| Selling unit | PCS |
