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CAN IMU


CAN IMUCAN IMU 3D View

CAN IMU Top ViewCAN IMU Top View

CAN IMU Bottom ViewCAN IMU Bottom View


Downloads

IMU CAD drawings (808Kb 13.07.2016)

CAN IMU

CAN version of IMU replaces I2C IMU for SimpleBGC 32-bit Extended and BaseCamBGC Pro controllers.

Features

  • CAN bus provides more reliable and error free connection compared to the I2C, not limited in length. CAN bus is supported in «Extended» and «Pro» versions of SBGC32 controller.
  • I2C port compatible with the regular SBGC32 IMU cable and all SBGC32 controllers.
  • EEPROM to store calibration data.
  • New 6-axis sensor ICM20608 from InveSense has better performance compared to the old MPU-6050.
  • Additional I2C and UART interfaces for the external device connectivity (to be used in future versions of firmware).
  • Compact size. Mounting holes are compatible with the old SBGC32 IMU. Optional box.

For proper functionality of CAN IMU, you need the firmware version 2.61b2 or above.

Specifications

Size of the board 25×25 mm
Distance between the mounting holes 14.2 mm
Diameter of the mounting holes 3 mm

Interfaces

  • Here you can
    specify the type
    of external device
    connection.

    Reserved for future use.
  • Here you can set the type of IMU sensor:
    main by default or frame if soldered.
  • CAN-bus terminator.
    Solder this contact
    pads if IMU is
    the last connected
    device on a bus.
    Do not solder it for
    "star" connection.
  • EEPROM write
    protection contact
    pads. Solder them
    to protect
    calibration data.
  • Here you can connect external device or sensor.
    Reserved for future use.

Firmware 1.1

CAN IMU Firmware v.1.1 (21Kb 26.11.2016)

/!\ We strictly advise to upgrade firmware to all owners of CAN IMU sensor loaded with the 1.0 version of firmware (all items ordered prior to 22.11.2016)!

  • Fixed the critical issue with the accidental spin of all motors at startup 1

How to upgrade firmware

To upgrade a firmware in the CAN module, connect module by CAN interface to the board, connect the board to a PC and run SimpleBGC32 GUI. It's better to not connect a battery.

  1. Go to "Upgrade" tab, open "Connected modules" tab. Press the "Refresh" button to load information about modules.
  2. Select a required module from the list. GUI will show current hardware, firmware and bootloader versions for each module (excepting GUI prior to 2.62: it shows hardware and bootloader version only).
  3. Browse for the file containing new firmware. Be careful, flashing improper file will make the device "bricked" and it will be hard to make it alive.
  4. Press "Flash" button to write firmware.
  5. Reconnect USB to restart gimbal controller and let him see changes.
  6. Connect GUI and repeat steps 2, 3 to check that new firmware is working and whole system operates normally.

Information regarding upgrading firmware over I2C interface will be available later.

1 If sensor is connected by the I2C interface, for 100% compatibility it is required to upgrade firmware in the main controller to version 2.61b9 and above.