Remote Electronics Units (REU)

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Features

  • Protypes can be built from COTS elements
  • Low risk development of production units
  • Relativly low cost for small production runs
  • DO-178 and DO-254 design process for production

Applications

  • Data concentration
  • Utility management
  • System monitoring

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Remote Electronics Units (REU) act as critical interfaces between dozens of aircraft systems on modern aircraft platforms. These devices take on many functions: they get the right pilot command to the right control surface, they ensure that landing gear deploy correctly, they monitor fuel levels, they monitor ice accretion, they allow 40 year old transducers communicate with modern glass cockpits, and they must work to a high level of reliability.

During your next custom REU development, imagine you could prototype your design in hardware well in advance of  the DO-178/254 design phase, not once but multiple times. This would give you the ability test your data concentrator unit (DCU) or remote interface unit (RIU) with its eventual interface systems, allowing you to catch bugs very early and refine your design to the nth degree. When DO-178/254 design of custom units begins, you are not just working off a paper specification, you have working hardware and you have hugely mitigated program risks.

  • Validate specification and remove development risk
  • Identify “Known Unknowns” and “Unknown Unknowns”

Curtiss-Wright provide a multi-phase AviBlocks development flow which allows REU developers to realise early designs using modular Avionics Building Blocks. AviBlocks derive from the Acra KAM-500 family which encompasses 100+ interface module types, and is used on 200+ platforms by 300+ users. This unique modular architecture allows for rapid prototyping, validation and robust specification capture prior to DO-178/254 design phase. Curtiss-Wright developers take “frozen” AviBlocks configurations and  port them directly into customer specific REUs using Curtiss-Wright DO-178 (S/W) and DO-254 (H/W) design processes.

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