MC500D Brushless Motor Controller

This series of digital militarized low voltage, 2-Axis, Brushless Motor Controllers is designed to provide torque, velocity and position loop closure. The controller accepts command signals from any fire control system (FCS) in either digital or analog format, and interfaces with a control handle. The advanced space vector algorithms provide optimum performance for new or existing motors to provide outstanding power densities. The base of the controller has four sets of holes predrilled for use with isolation mounts. There is also a cold plate model available that has uprated current capabilities (400Apk/axis), see picture on page 2. Additionally, there are a wide range of end user programmable software features, as listed below.



Programmable Software Features

  • Extensive built in test
  • No-fire zones
  • Obstacle avoidance zones
  • End-damping limits
  • HUMS (Health Usage Monitoring System)
  • Acceleration limits
  • Comprehensive loop tuning
  • Tracking/Stabilization Modes
  •  Field weakening
  • Joystick shaping function
  • Analog and digital I/O
  • Status and fault history
  • Data logging



 Power Supply 

(Control Electronics)


(per Mil-Std-1275)

 Power Supply (Motors)  18Vdc to 60Vdc Motor
Temperature (Ambient) -40°C to 65°C
Environmental Specification Complies with Mil-Std-810

 Command Communication 


CAN-Bus or RS-422 

or Ethernet or MILCAN 

or EtherCAT

 EMC Specification Complies with Mil-Std-461
 Weight 22kg (48.4lb)
Position Sensor Interface SSI or EnDat Serial Interface
 Motor Commutation Sensor Resolver or Encoder

418 x 437 x 138mm 

(16.5 x 17.2 x 5.4in)

 Self Protection

 Over-Temperature and


Output Current 


Finned: 300A/200A Peak

Cold Plate: 400A/400A Peak

 Option: Stabilization Kit 2-Axis Gyro Interface