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Connecting Blue Mountain EFIS lite to Pictorial

 
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ronlee(at)pcisys.net
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PostPosted: Sat Jul 08, 2006 8:32 pm    Post subject: Connecting Blue Mountain EFIS lite to Pictorial Reply with quote

Page 5 has this info.  Looks like NMEA-0183 on Pin 3.  Have you tried that format?


P101 Pin Function Notes 1 Autopilot Master (+12 to +14 V DC). The autopilot itself draws less than 0.3 ampere. Most of the current required by the system is used by the servo (up to 1Amp depending on torque setting) and a smaller amount (up to 180 mA) for the illuminated pushbuttons. 2 Control Wheel Switch. Connect as shown in wiring diagram to a SPST momentary switch located remotely to the autopilot for convenient engage/disengage function. 3 Primary Serial Input. Baud rate selectable 1200,2400,4800 or 9600 baud. Automatically decodes NMEA-0183, Garmin Aviation Format, or Apollo/UPSAT Moving-Map format. Provides directional reference to the autopilot. 4,5,6


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Jim Ellis



Joined: 26 Jan 2006
Posts: 11

PostPosted: Mon Jul 10, 2006 2:17 pm    Post subject: Connecting Blue Mountain EFIS lite to Pictorial Reply with quote

Hi Ron,
 
Thanks for the information.  It was very useful.
 
I spoke with Ross at Blue Mountain Avionics today and he told me that their NMEA-0183 output "should" work with a Trutrak autopilot but he said that neither he nor anyone else there had ever heard of anyone that had actually done so.
 
My question is a simple one.  Has anyone, anywhere ever been able to make a working connection between any Blue Mountain efis and any Trutrak autopilot?
 
Strangely neither BMA or Trutrak technical support knows the answer to this question.
 
I am truly baffled by the manufactures lack of knowledge about their very own product's usage in the real world!
 
Jim Ellis


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