The DDU offers a range of features, including:

  • Interface with all navigation equipment
  • Comfortable housing design, providing convenient access for faster installation and service of connections and terminals
  • One processor board per DDU for a single gyrocompass system
  • Plug-in of second processor board for fully redundant CompassNet in multi-gyrocompass system
  • Plug-in of up to two Compass Amplifier Units (CAU)
  • Connection of Northrop Grumman Sperry Marine fluxgate for magnetic compass
  • Emergency controls.


Processor board

The processor board provides:

  • Heading management
  • Alert management
  • Sensor interface management
  • Sensor data management
  • Integrated RingBus module
  • Installation in the DDU
  • Second processor board for redundancy in multi-compass systems.