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The ARINC 429 unit of transmission is a fixed-length 32-bit frame, which the standard refers to as a 'word'. The bits within an ARINC 429 word are serially identified from Bit Number 1 to Bit Number 32 [4] or simply Bit 1 to Bit 32. The fields and data structures of the ARINC 429 word are defined in terms of this numbering.
ARINC 429 operates in such a way that its single transmitter communicates in a point-to-point connection, thus requiring a significant amount of wiring which amounts to added weight. Another standard, ARINC 629, introduced by Boeing for the 777 provided increased data speeds of up to 2 Mbit/s and allowing a maximum of 120 data terminals. This ...
Most civilian aircraft use one of 3 serial buses: the Commercial Standard Digital Bus (CSDB), [1] ARINC 429, or AS-15531. The Commercial Standard Digital Bus is a two-wire asynchronous broadcast data transmission bus. Data is transmitted over an interconnecting cable by devices that comply with Electronic Industries Association (EIA) RS-422A.
The ARINC 615 standard covers "data loading" over ARINC 429. ARINC 615A is a standard that covers a "data loading" protocol which can be used over various bus types such as Ethernet, CAN, and ARINC 664. ARINC 618 is a standard that covers a data transmission protocol called "Character Oriented Protocol". ARINC 619 is a standard that covers a ...
the arinc system uses a 16-bits processor, not a 32-bits processor —Preceding unsigned comment added by 94.110.13.13 14:57, 23 June 2010 (UTC) Neither actually; ARINC 429 is specified independent of microcontroller architecture. We have 8-bit processors here driving ARINC 429.
On simpler aircraft, there is usually not a fly-by-wire system so the outputs are typically to the cockpit altimeters or display system, flight data recorder and autopilot system. Output interfaces typically are ARINC 429, Gillham or even IEEE 1394 (Firewire).
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1-Wire – from Dallas/Maxim; BACnet – for Building Automation and Control networks, maintained by ASHRAE Committee SSPC 135. BatiBUS - merged to KNX; C-Bus Clipsal Integrated Systems Main Proprietary Protocol; CC-Link Industrial Networks, supported by Mitsubishi Electric; DALI - Digital Addressable Lighting Interface specified in IEC 62386.