Help Installing GD 40 Carbon Monoxide monitor to HDX Dynon

Bardample

Bardample

I love flying!
Joined
Aug 18, 2013
Messages
35
I have a Flight Data System GD 40 Carbon Monoxide monitor and have for 10 years monitored its output with audio signal and supplied panel light. I now wish to set it up via an empty serial port on my HDX to display on screen. When I followed Dynon's instructions about 3rd party connections, I can't find any any device mentioned ( I can find Radios, gps etc listed) that remotely mentions a Carbon Monoxide monitor.

Can any one help me. The FData System instructions are brief and only mention connecting 2 wires to the EFIS ( which I have done).

thankyou in anticipation. Jeff
 
M

Marc_J._Zeitlin

Active Member
Joined
Sep 24, 2007
Messages
342
Location
Tehachapi, CA 93561
So this page:


states that for the Dynon interface, you're using a switched input, NOT the serial line.

The manual:


then explains how to connect to a switched input via the "RLY" line. This just goes to ground and switches an alarm in the EFIS - a simple setup as shown in the Dynon picture in the first link.

This info took ~2.1 minutes to discover on the GD40 web pages.
 
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