ROBOTIS OpenCM 485 Expansion Board

Item number: MBS-ENTB-19

EAN: 8809052932992

ROBOTIS OpenCM 485 Expansion Board

  • Controlling of DYNAMIXEL Servomotors 
  • Made for the Communication with OpenCM9.04-A / OpenCM9.04-C
  • Half Duplex TTL & RS485 Interface

Category: Development Boards

42,95 €

including 19% VAT. , plus shipping

Available now!

Shipping time: 1 - 4 workdays

The ROBOTIS OpenCM 485 Expansion Board was designed to control Dynamixel servomotors. Due to the powerful OpenCM9.04-A / OpenCM9.04-C development board wich is based on an ARM Cortex-M3 MCU , and can be bought seperately, it is possible to solve a lot of challenging task without any problems. The combination of the OpenCM 485 and the OpenCM9.04 has very small dimensions and therefore opens up for possible development aswell as redevelopment of autonomous processes.


Most of the Dynamixel controllerboards that are available at the moment are provided with a TTL interface to control any servomotor of the AX/MX/X series, or an RS485 interface for the Dynamixel pro servomotors. The OpenCM9.04 development board comes with both TTL & RS485 interface allowing for a high flexibility when it comes to the usage.

OpenCM9.04 Development board

The OpenCM 485 Expansion Board funtions as periphery between the actuators and sensors, the evalutation and controlling however is realised with the OpenCM 9.04 controllerboard.  The OpenCM 9.04 controllerboard is provided with a micro USB port for easy programming und implementation aswell as a powerful 72MHZ ARM Cortex M3 MCU with a Flash of 128Kbytes, resulting in the OpenCM 9.04 also beeing usable for more complex algorithms.


Due to the several different plug systems there is a genanntes Convertible Cable needed for the controlling of servomotors of the X-Series to connect the OpenCM Expansion Board with the servomotor.

Scope of delivery

  • 1 x ROBOTIS OpenCM485 Expansion Board

HAN: 902-0084-050
Shipping weight: 0,04 Kg
Product weight: 0,04 Kg
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