Topic Author
Posts: 5
Joined: Fri Jan 22, 2010 8:20 am


Thu Nov 29, 2001 11:30 pm

What is ARINC-429 and what is it used for?
Posts: 11191
Joined: Tue Jun 15, 1999 11:29 am


Fri Nov 30, 2001 12:11 am

The simple answer is that it's an established standard, sort of like an ISA-standard or PCI-standard is for personal computers. There are various ARINC standards...for various things...

Tons of other stuff on the ARINC site as well...
ALL views, opinions expressed are mine ONLY and are NOT representative of those shared by Southwest Airlines Co.
Posts: 339
Joined: Tue Jun 06, 2000 9:18 pm


Fri Nov 30, 2001 12:55 am

Arinc 429 (Arinc = Aircraft Radio INCorporated, a governing body concerned with the standardization of avionics) is a standard databus for data exchange between the various instruments/avionics/LRU's onboard an aircraft. Arinc 429 has a limited transfer speed of 100 kbit/s and there can only be one transmitter, and a maximum of 20 receivers.

There's also an advanced version, Arinc 629 (used on modern airliners like the 777 or 330/340). Arinc 629 has a maximum speed of up to 2Mbit per second and allows bidirectional data transfer for all connected stations.

Best regards,
Posts: 339
Joined: Tue Jun 06, 2000 9:18 pm


Fri Nov 30, 2001 1:28 am

BTW, ask den Roland, he will be more than happy to explain it to you.  Nuts

BTW2, welcome to the forum.  Big thumbs up

Best regards,
Posts: 204
Joined: Tue Aug 14, 2001 2:36 pm


Fri Nov 30, 2001 2:53 am

This is rather detailed.

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