Z043H000150A

DEUB
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About this product
The DEU Decoder‑Encoder Unit B Z043H000150A is an avionics module on Airbus A320 family aircraft. It translates raw ARINC 429 bus data into usable signals for cockpit displays and flight control computers, and encodes pilot commands and system outputs back onto the data buses. This process ensures accurate, real‑time information exchange between sensors, processors, and actuators.
Z043H000150A Datasheet
UOM: EA
Stock Location: Dubai
Hazardous Item: Non-Hazardous Item
Life Limited Part: No
Lead Time: Stock
Certification: Dual Release
8130/EASA Eligible: Yes
PRODUCT DESCRIPTION

Z043H000150A

  • Bidirectional Data Conversion: Decodes digital sensor inputs for processing and encodes control outputs for ARINC 429 bus transmission, ensuring seamless communication across avionics subsystems.

  • High‑Integrity Signal Processing: Incorporates error‑checking algorithms to detect and mitigate data corruption, preserving the integrity of flight‑critical information.

  • Redundant Architecture: Dual‑channel design allows automatic switchover if one channel fails, maintaining continuous operation without interruption.

  • Electromagnetic Shielding: Built‑in EMI/RFI protection prevents interference from surrounding electrical systems, ensuring reliable performance under all flight conditions.


  • Conversion of navigation and flight control data for primary and standby displays.

  • Distribution of engine and systems parameters to centralised monitoring units.

  • Interface between pilot input devices like hand‑wheels, sidesticks, and flight control computers.

  • Integration with automatic flight control and autopilot systems to relay control laws.


  • How does the DEU maintain reliability in the event of a failure?

The unit’s redundant dual‑channel architecture automatically switches to the backup channel if a fault is detected, preventing data loss.

  • What maintenance checks are required for this unit?

Periodic functional tests, bus‑loopback checks, and visual inspections of connectors and shielding per the Airbus maintenance manual ensure continued airworthiness.

  • Is the DEU specific to a single aircraft model?

It is primarily used on Airbus A318, A319, A320, and A321 family aircraft, but may be compatible with other models pending system validation.


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