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Item details
SKU: 10005003
Weight: 100 grams
Stock: Pre order

Brand: Robotis
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The MX-28AR provides the following improvements from the previous versions:

  • New Aluminum front case
  • Decreased noise and improved protection against heat
  • Front screw threads are already threaded for easy assembly
  • Same dimensions as the previous DYNAMIXEL MX-series so all existing frames are compatible

Package Contents

Description Quantity
HORN RX28 HN07-N101 1
WASHER Thrust Washer 1
CABLE 4P Cable 200MM 1
BOLT/NUT Wrench Bolt M2.5*6 16
Wrench Bolt M2.5*8 1
Wrench Bolt M2*3 10
Nut M2.5 18

Hardware Specifications

Description Specification
Weight 77g
Dimension 35.6mm x 50.6mm x 35.5mm
Gear Ratio 193 : 1
Operational Voltage (V) 11.1 12 14.8
Stall Torque (N.m) 2.3 2.5 3.1
Stall Current (A) 1.3 1.4 1.7
No Load Speed (RPM) 50 55 67
Motor Maxon Motor
Minimum Control Angle 0.088 degrees ( x 4,096 ) = 360 degrees
Operating Modes

Actuator Mode – varying directional movement

Wheel Mode – continuous unidirectional movement
Operating Voltage 10~14.8V (Recommended voltage : 12V)
Operating Temperature -5°C ~ 80°C
Instruction Command Digital Data Packet in a Serial Bit Stream
Interface Communication Protocol Half duplex Asynchronous Serial Communication (8 bit,1 stop, No Parity)
Connector Type RS485 Multi-Drop Bus (daisy chain type connector)
ID range 254 total possible.  Values are from (0x00 – 0xFF hex)
Baud Rate 8000 bps - 4.5Mbps
Internal Sensors Position, Temperature, Load, Input Voltage, etc.

Case: Engineered Plastic

Gears: Metal
Position Control Contactless magnetic rotary encoder
Software Roboplus: Download C/C++, C#, Labview, MATLAB, Visual Basic, etc. : Library Download 

Compatible Products

  • Controller : CM-2+, CM-700, OpenCM9.04 (+ 485 Expansion Board)
  • Interface : USB2Dynamixel (RS485)
  • Old horn : RX-28 HN07-N1 Set, RX-28 HN07-T1 Set, RX-28 HN07-I1 Set
  • Old frame : RX-28 FR07-H1 Set, RX-28 FR07-S1 Set, RX-28 FR07-B1 Set
  • New horn :  RX-24F/RX-28 HN07-N101 Set, RX-24F/RX-28 HN07-T101 Set, RX-24F/RX-28 HN07-I101 Set
  • New frame : RX-24F/RX-28 FR07-H101 Set, RX-24F/RX-28 FR07-S101 Set, RX-24F/RX-28 FR07-B101K Set, RX-24F/RX-28 FR07-F101K Set, RX-24F/RX-28 FR07-X101K Set
Frame Purchase Guide


[Link to e-Manual]