CF35-12

CF35-12 Dual-axis constant force bus servo TTL bus servo interface

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Onboard Interfaces TTL 总线舵机接口

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Overview

Introduction

CF35-12 is a programmable dual-axis constant force serial bus servo with a stall torque of 35KG.CM. It has an all-aluminum alloy shell and an external high-strength aluminum alloy steering wheel. It uses a 360° high-precision magnetic encoder and can perform angle control within a 360° range. It can set any angle as the servo center position through program control; It can also be switched to continuous motor mode, multi-turn continuous rotation and other working modes, with built-in acceleration start-stop function, making the action smoother. Each bus servo has two interfaces, allowing the servos to be connected in series. Theoretically, up to 253 servos can be controlled simultaneously, and each servo can obtain its current angle, load, voltage, mode, and other information. It can be used to build multi-axis small-volume steering robot projects such as quadruped, hexapod, and robotic arm, and easily handle large objects.

Features

• 360° magnetic encoder, high precision, angle control accuracy up to 360°/4096
• Any angle can be set to the servo center position for easy assembly
• Acceleration start-stop function, smoother motion effects
• Compact structure design, more beautiful product appearance
• Wide voltage input of 9-12.6V, can be directly powered by 2S or 3S lithium batteries
• Stall torque up to 35kg.cm@12V
• Multiple working modes can be set:
  • Angle control mode
  • Motor constant speed control mode
  • Motor constant current control mode
• Can be used in series to control up to 253 bus servos at the same time (provided that the power supply is sufficient) and obtain feedback information for each bus servo

Specifications

CF35-12
Typical operating voltage	12V	Operating Voltage	9~12.6V
No-load current	150mA	No-load speed	0.222sec/60° (45RPM)
Static current	26mA	Locked-rotor current	2.8A
Torque	35kg.cm	Rated load	8.7kg.cm
Rated current	800mA	Kt constant	12.5kg.cm/A
Output shaft	25T/OD5.9mm	Reduction ratio	1/345
Total weight	70.5±1g	Gear backlash	≤0.5°
Baud rate	38400bps~1Mbps (default 1Mbps)	ID range	0~253

Servo Interface and Wiring Description

• Interface type: 5264-3P

Interface number	Name	Cable color	Type
1	Signal/TTL	White	Signal cable
2	VCC	Red	Power Positive
3	GND	Black	Power Negative

Product Usage

Hardware Connection

We currently have four driver boards that can drive and control the servo, and you can choose according to your needs:

• Servo Driver with ESP32
• Bus Servo Driver HAT (A)
• Bus Servo Adapter (A)
• General Driver for Robots

If you wish to use bus servos in your own project, you can refer to Schematic diagram of bus servo control circuit.

Resources

3D Model

• CF35-12_3D model

Demo

• CFServo_Arduino

Support

Technical Support

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