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encoder compatibility |
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cardinal driver 
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Joined: 01 Mar 2015 Status: Offline Points: 18 |
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 Topic: encoder compatibilityPosted: 21 Sep 2016 at 12:21pm |
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I having a Skytrax 100 installed, and the avionics shop reports that
The current encoder installed in the aircraft is not compatible with the Skytrax Serial Altitude input needed so we will need to replace the existing encoder with a unit that is capable of outputting serial altitude data. The blind encoder was installed in 2013, it is a Transcal model SSD120-30N. I checked before installing this model if it would be compatible with the IFD-540, and it was. I'm surprised that the encoder would not be compatible with the Skytrax 100. Can anyone enlighten me? TIA
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Ibraham
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Joined: 21 May 2016 Location: KHWO Status: Offline Points: 363 |
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Posted: 21 Sep 2016 at 2:16pm |
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The link is for install manual, you can check Appendix D for encoder compatibility
http://www.navworx.com/documents/TSO%20ADS600-B%20Installation%20Manual%20240-0008-00-39.pdf
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AviSimpson
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Joined: 31 Mar 2015 Location: Lincoln, MA Status: Offline Points: 765 |
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Posted: 21 Sep 2016 at 2:29pm |
Do you have an AXP340 installed?
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Simpson Bennett
Avidyne Corporation Product Manager |
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pburger
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Joined: 26 Dec 2013 Location: United States Status: Offline Points: 406 |
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Posted: 21 Sep 2016 at 2:41pm |
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Your encoder only has a gray code (parallel) output. The IFD-540 can accept either RS-232 serial or gray code (parallel) input, so your encoder will work with the IFD-540. I suspect the Skytrax 100 requires a RS-232 signal which your encoder doesn't have.
Edited by pburger - 21 Sep 2016 at 2:43pm |
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AviSimpson
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Posted: 21 Sep 2016 at 2:45pm |
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The IFD540 can also accept 429 altitude data.
If an AXP340 is installed you can use the altitude output from pin 6.
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Simpson Bennett
Avidyne Corporation Product Manager |
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cardinal driver wrote: