Description

Description

RollerCAN Unit is a brushless DC motor motion control kit with multiple integrated control functions, designed for efficient motion control. It supports 6-16V DC power input (via the CAN (XT30) interface) or 5V input (via the Grove interface) and can automatically adjust the power factor to ensure optimal performance. It features a built-in FOC closed-loop drive system, using a 3504 200KV brushless motor. The maximum continuous operating phase current is 0.5A without forced cooling, and 1A for short-term. The driver uses a magnetic encoder for feedback and supports current, speed, and position triple-loop control, ensuring precise control. The unit’s shaft can optionally include a slip ring, allowing the Grove interface on the top to remain connected with the bottom, supporting 360° rotation while expanding additional modules at the top. This ensures power and data transmission through the rotating part.

Additionally, the unit is equipped with a 0.66-inch OLED display on the back, which can display the device status in real-time. It also includes an RGB indicator and function button for easy human-machine interaction. The top and base are designed with LEGO-compatible mounting holes and M3 screw holes, making it easy to build and integrate quickly. RollerCAN Unit s hardware and software are fully open-source, supporting motion control and parameter adjustment via CAN or I2C buses, and it also provides SWD and SWO debugging interfaces, offering developers greater flexibility. This product is widely used in machine joints, motion control, industrial automation, and visual demonstration projects.

Do not exceed 16V, the motor will show error code E:1 and not work when the voltage exceeds 18V, displaying Over Voltage , and the LED will light up blue.

Features

• Brushless DC motor control
• CAN communication I2C communication control
• Integrated OLED display
• RGB indicator light
• FOC closed-loop drive system
• Slip ring

• Package Includes

  • 1x RollerCAN Unit
  • 1x PwrCAN Cable (10cm)
  • 2x HY2.0-4P Grove cables (5cm)
  • 6x friction pins
  • 1x flange
  • 1x bracket
  • 1x hex key (2.5mm)
  • 1x hex key (2mm)
  • 6x M3 nuts
  • 2x inner hex socket cap screws M3x14mm
  • 4x inner hex countersunk screws M3x14mm
  • 4x inner hex countersunk screws M3x12mm
  • 1x single-head terminal cable 5P debugging cable 1.25mm pitch, 100mm length

  • 

    Applications

    • Robotic joint control
    • Intelligent manufacturing equipment
    • Visual demonstrations

    • Specifications

      Specification		Parameters
      MCU		STM32G431CBU6 @ Cortex-M4, 128KB Flash, 32KB SRAM, 170MHz
      Motor Type		D3504 200KV brushless motor @ diameter: 41mm
      Driver Chip		DRV8311HRRWR
      Angle Sensor		TLI5012BE1000
      Communication Interface		2x CAN (XT30 interface) @ XT30 (2+2) PW-M 2x I2C (0x64)
      Display		0.66-inch OLED display, resolution: 64*48, SPI communication
      RGB LEDs		2x WS2812-2020
      Motor Power Supply		CAN (XT30 interface) @ 6-16V power supply Grove port DC5V power supply Slip ring_Grove port DC5V power supply
      Load		Load: 50g Motor speed: 2100rpm Current: DC16V 225mA Load: 200g Motor speed: 1400rpm Current: DC16V 601mA Load: 500g (maximum load) Motor speed: 560rpm Current: DC16V 918mA No load: DC16V 78mA
      Standby Current		Grove port DC5V power supply @ 70mA CAN (XT30 interface) power supply DC16V @ 32mA
      Output Torque		Grove port DC5V power supply: 0.021N.m 0.2kgf.cm @ 350mA current CAN (XT30 interface) DC16V power supply: 0.065N.m 0.66kgf.cm @ 927mA current
      Slip Ring (Grove port) Output Capacity		DC5V 300mA
      Noise Level		48dB
      Operating Temperature		0-40°C
      Product Dimensions		40*40*40mm
      Package Dimensions		170*75*52mm
      Product Weight		84.4g
      Package Weight		157.7g

      LEARN AND DOCUMENTS

      DOCUMENTS

      Additional information

      Title	Default Title

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