CF35-12 User Guide

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:

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

Monday-Friday (9:30-6:30) Saturday (9:30-5:30)

Mobile: +86 13434470212

Email: services01@spotpear.com

TAG： Raspberry Pi 0.85inch LCD Raspberry Pi ESP32 S3 Development Board 1.46 inch Round LCD 1.46inch Display 412x412 QMI8658 Sensor / MIC / SD /MP3 Audio /Battery Port LVGL/HMI For Arduino R7FA4 PLUS B Development Board Based on R7FA4M1AB3CFM Compatible with Arduino UNO For R4 WiFi 1.54inch OLED Raspberry Pi CM5 IO BASE B Mini Board a Base Development Platform Compute Module 5 IO Board with EEPROM And Encryption chip STM32 downloader Raspberry Pi LCD Raspberry Pi UGV Beast ROS2 PT AI OpenCV Robot Car MediaPipe Raspberry Pi MLX90640 ESP32 S3 2.1 inch Round LCD Development Board 480x480 TouchScreen Display LVGL HMI With QMI8658C 6-Axis Sensor Raspberry Pi Pico 2 RP2350 2 inch LCD Capacitive TouchScreen Development Board 240x320 Display QMI8658 6-Axis /OV5640 Camera /SD /Battery Port Raspberry Pi Pico Raspberry Pi waveshare Refractive Prism Industrial Isolated RS485 TO ETH (C) RJ45 Converter Wall/Rail-Mount For Modbus USB Monitor RS485 Interface BPI