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Length: 2 Days
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ARINC 429 Training

The ARINC 429 Specification developed out of the original commercial aviation digital communication spec, the ARINC 419 Specification.

ARINC 429 is a privately copywritten specification developed to provide interchangeability and interoperability of line replaceable units (LRUs) in commercial aircraft.

ARINC stands for Aeronautical Radio, Inc., a private corporation organized in 1929, and is comprised of airlines, aircraft manufacturers and avionics equipment manufacturers as corporate shareholders. ARINC was developed to produce specifications and standards for avionics equipment outside the government for domestic and overseas manufacturers.

First released in 1966 and last revised in 1983, ARINC 419 described four different wiring topologies, including a serial, twisted shielded pair interface used by the Digital Air Data System (DADS), known as the ARINC575 or DADS 575 Spec.

This serial topology evolved into the ARINC 429 Specification, first released as ARINC 429-1 in April 1978, and currently exists as ARINC 429-15.

ARINC 429-15 was adopted by the AEEC in 1995 and is comprised of three parts:

  1. ARINC Specification 429, Part 1-15: Functional Description, Electrical Interface, Label Assignments and Word Formats
  2. ARINC Specification 429, Part 2-15: Discrete Word Data Standards
  3. ARINC Specification 429, Part 3-15: File Data Transfer Techniques

Additionally:

  • Part 1 addresses the buses physical parameters, label and address assignments, and word formats.
  • Part 2 defines the formats of words with discrete word bit assignments.
  • Part 3 defines link layer file data transfer protocol for data block and file transfers.

The military counterpart to ARINC 429 is MIL-STD-1553, which defines the mechanical, electrical, and functional characteristics of a serial data bus. It was originally designed for use with military avionics, but has also become commonly used in spacecraft on-board data handling (OBDH) subsystems, both military and civil.

It features a dual redundant balanced line physical layer, a (differential) network interface, time division multiplexing, half-duplex command/response protocol, and up to 31 remote terminals (devices).

ARINC 429 Training Course by Tonex

ARINC 429 Training Course cover ARINC 429 industry standard as is used on virtually all commercial aircraft. Learn about ARINC 429 specification defining a local area network for transfer of digital data between avionics system elements and subsystems. Avionics system transmit information over a single twisted and shielded pair of wires (the ARINC 429 databus) up to as many as 20 receivers, a two-wire, point-to-point digital avionic data bus.

Who Should Attend

Electronic and avionics systems engineers, designers, hardware and software engineers, testers, managers and anyone with little or no ARINC 429 experience

Course Objectives

Upon completion of ARINC 429 training, the participants will:

  • List Avionic digital buses and ARINC 429
  • Discuss ARINC 429 applications and use cases in Avionics
  • Discuss the physical properties of the ARINC 429 bus
  • Discuss ARINC 429 protocol
  • Correctly design a ARINC 429 topology and installation.
  • Explore how the ARINC 429 standard operates
  • Avoid common errors in designing a ARINC 429 system.
  • Troubleshoot a ARINC 429 system installation
Image result for arinc 429

Topics Covered

  • Overview of Avionic Digital Data Buses
  • ARINC 429 Functional and Technical Description
  • ARINC Specification 429, Part 1-15
  • Functional Description, Electrical
  • Interface, Label Assignments and Word Formats
  • ARINC Specification 429, Part 2-15
  • Discrete Word Data Standards
  • ARINC Specification 429, Part 3-15
  • File Data Transfer Techniques
  • ARINC 429 Electrical Components
  • ARINC 429 Data Characteristics and Protocols
  • Mark 33 Digital Information Transfer System (DITS)
  • ARINC 429 Words
  • ARINC 429 Messages

Course Content and Modules

Introduction to Avionic Data Buses and Multiplexing

  • What is ARINC 429?
  • The ARINC 429 specification
  • ARINC 429 overview
  • The ARINC 429 specification
  • ARINC 429 usage
  • ARINC 429 definitions, encoding & formats
  • ARINC 429 data bus operation
  • ARINC 429 data encoding, word formats, message formats, and response time.

Key Elements of ARINC 429

  • Technical description
  • Medium and Signaling
  • Cable characteristics
  • Transmission characteristics
  • Waveform parameters
  • ARINC 429 software and hardware characteristics
  • ARINC 429 procedures and tools
  • ARINC 429 design and implementation
  • ARINC 429 capable systems
  • ARINC 429 testing, verification and validation
  • ARINC 429 Multiplexing

ARINC 429 General Requirements

  • ARINC 429 Design Fundamentals
  • Message and Word Formatting
  • Direction of Information Flow
  • Information Element
  • Information Identifier
  • Source/Destination Identifier
  • Sign/Status Matrix
  • Data Standards
  • Timing-Related Elements
  • Bit Rate
  • Information Rates
  • Clocking Method
  • Word
  • Synchronization
  • Timing Tolerances

ARINC 429 Protocol

  • Data Encoding and Decoding
  • Word formats
  • Parity
  • Sign/Status Matrix
  • Data and Data Types
  • Source/Destination Identifier
  • Label
  • Bit numbering, transmission order, and bit significance
  • Word format
  • Labels
  • Message formats
  • Hardware design
  • Data Bus Characteristics
  • Terminal Characteristics

ARINC 429 System Design, Architecture and Testing

  • Data Bus Topology
  • Data Bus Control
  • Partitioning & Redundancy
  • Bus Loading
  • Software Design
  • Controller Software
  • Protection from interference
  • ARINC 429 Phases of Testing
  • Test Plans
  • Verification and Validation Testing

ARINC 429 Training

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