Altitude Encoder Compatibility

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   I'm getting ready to wire my AXP340 per the installation manual.  My existing encoder is a Trans-Cal D120-P2-T.  Should I expect issues that might require updating my encoder?  I have already replaced a Garmin 430W with an IFD440.

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PredFan Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 03 Jun 2017 Location: Knoxville, TN Status: Offline Points: 11	Post Options Post Reply Quote PredFan Report Post Thanks(0) Quote Reply Topic: Altitude Encoder Compatibility Posted: 27 Aug 2017 at 11:59am
	I'm getting ready to wire my AXP340 per the installation manual. My existing encoder is a Trans-Cal D120-P2-T. Should I expect issues that might require updating my encoder? I have already replaced a Garmin 430W with an IFD440.

LANCE Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 05 Dec 2014 Location: TEXAS Status: Offline Points: 277	Post Options Post Reply Quote LANCE Report Post Thanks(0) Quote Reply Posted: 28 Aug 2017 at 2:59am
	Most installers I've talked to recommend the Trans-Cal Nano (http://www.aircraftspruce.com/catalog/avpages/transcalencoder.php) For $269 it sounds like it would be worth it and it looks like it is pin compatible with yours current encoder. Edited by LANCE - 28 Aug 2017 at 3:03am

PredFan Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 03 Jun 2017 Location: Knoxville, TN Status: Offline Points: 11	Post Options Post Reply Quote PredFan Report Post Thanks(0) Quote Reply Posted: 28 Aug 2017 at 8:09am
	Thanks Lance, I've got a call into Tech support to get their thoughts as well.

rsharp Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 10 Jan 2018 Location: CA Status: Offline Points: 15	Post Options Post Reply Quote rsharp Report Post Thanks(0) Quote Reply Posted: 16 Jan 2018 at 3:16pm
	Another acceptable Serial Encoder is the ACK A30.9 (Mod 9) encoder. ($245) Its suppose to work with the AXP340, SkyTrax100 and the IDF5x0 series. You have 2ea serial RS232 lines, split one line off to connect to the 2 units. I just ordered the unit and waiting for my avionics. Randy
	Regards, RLSharp

chflyer Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 24 Jan 2013 Location: LSZK Status: Offline Points: 1078	Post Options Post Reply Quote chflyer Report Post Thanks(0) Quote Reply Posted: 16 Jan 2018 at 11:35pm
	If we're listing encoders that work with the AXP340, I have a Sandia 5-35 that was installed before my AXP340. It also has 2x serial output. Sandia is high quality and works well together with my AXP340 and IFDs.
	Vince

rsharp Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 10 Jan 2018 Location: CA Status: Offline Points: 15	Post Options Post Reply Quote rsharp Report Post Thanks(0) Quote Reply Posted: 17 Jan 2018 at 9:18am
	Yes Sandia is a great company with some great products. Wish I had it in the budget to get the Sandia SAC 7-35 Air Data Computer. It's around $2750 but the box has 4 functions: ADC, Encoder, FF monitor, and Altitude alerter. This ADC I believe would put A/S & Altitude strips on the 550 while viewing in the SVS mode. Randy
	Regards, RLSharp