D180 + D10A Wiring

[Toobuilder]

I'm looking to retain a D10A as a backup to my newly acquired D180.  Do I need to duplicate all the signal wires in both the Dsub 25 connectors, or can I simply provide power/ground to the D10 and let them do their magic across the 2 DSAB wires?

Also, when I added the D180 in place of the D10A I simply reused the EFIS connector (Plug n' Play).  The D180 sees my remote magnetometer, but the temp probe is now showing -43 degrees OAT (used to work fine with the -10A).  The temp stays the same no matter what I do in the setup (1, 2 or N).  What's the issue?

Thanks

 

[Dynon]

Yes - Power, Ground, and DSAB are the core requirements. The D10A can get heading and OAT from the D180 over DSAB.

On the D180, make sure that none of the GP inputs on the EMS side of the product are set to OAT. If one is, that'll confuse it. And your OAT is almost definitely type 2 on the EDC-D10A (connected through the EFIS D25 connector). Once you have those two things set up it should work immediately if it's connected to the EDC-D10A (compass) and the EDC-D10A is being seen by the EFIS, which you can verify by the fact that you have a heading indication. If it still doesn't work, you can do a DSAB configuration, but that bit shouldn't be neccesary (though it will be once you have your EFIS-D10A hooked up.

 

[Toobuilder]

OAT is now working. like you indicated, one of the GP inputs was configured for OAT.

Concerning the D-10 as a slave using only the DSAB, will it also drive the AP and encoder if the 180 goes TU?

Thank you

 

[Dynon]

It won't drive the autopilot UNLESS you do a DSAB config in the air from the D10A (and there might be a couple other things that you'd need to do on the AP side of things). The D10A would also have to previously been setup to work as an AP. Not a beginner operation, but it's possible.

 

[Toobuilder]

Ok.  So if I understand this correctly, the 180/10A configuration I have is not completely redundant...  If the buss master (the 180, in my case) has a hard failure, then the 10A really falls back to providing basic flight info only.  An in flight reconfiguration might be possible to restore some advanced functions, but I'm thinking that if you "need" the flight info on the -10 (IMC), then you don't want to be digging around menus trying to do a reconfigure.

 

[Dynon]

Yes, that's basically the story. Although I'd consider having a full set of flight instruments to be pretty redundant compared to what used to pass for a partial panel - but I'm the marketing guy . I definitely agree it would be even better to have the AP available seamlessly. SkyView has this capability if one screen or ADAHRS were to fail on a system configured with multiples of both.