Recent content by Pobb

Don, If you are not already doing so, record each calibration point (fuel quantity) and sensor voltage at each point. For some reason my EMS 'forgot' the fuel calibration and I was able to re-enter the information without having to carry out a full calibration by defuelling then re-calibrating.

I have done this on my Glasair 2 RG, using three wires and three resistors for each gear unit. One lead is a ground lead, one the signal lead which goes to a contact on the EMS and the third wire is for a test lead. As well as giving gear indications, the signal lead also connects to a...

Jared, Check this hub out http://store.makerplane.org/axis-15a-avionics-wiring-hub/ I used one of these for my avionics and switch grounds, as well a connection point for data leads from the avionics to the Dynon data leads, transponder and autopilot.

I have two 4 to 20ma transducers to give me up/down hydraulic pressure on my Glasair II RG, switched via a latching relay, to provide a pressure readout on one widget on the EMS.  The EMS presentation shows the actual pressure (about 1700psi) when the gear is up.  However, when I download data...

I have two EGT probes that jump around between having a red X against them, or are indicating temperatures fluctuating between a minus figure to maximum temperature.  I have swapped the faulty probes on to the other two known good circuits and they still play up, while the good probes are quite...

Ron, Do you have the 5V zener diode installed between terminals 1 and 6 as per the PMag manual? I have dual PMags with this diode installed and the RPM reading is rock steady.

I am trying to post a 16kb .JPG image file, but the forum will not accept the image. How do I post the image?

I have done this using two of these. http://fathoms.com/index.php?option=com_content&task=%20view&id=29&Itemid=45 I have them connected to pin 6 on the EMS D37 via a latching relay to give me one hydraulic pressure readout on the display. While I have not as yet pressurized the system I am...

I have the same problem with one knob on my 7" SV display. The problem was fixed by pulling the knob out by something less than 1/16". When I investigated why the control would not function in two directions, but OK in the opposite directions, I found that the control appeared to be not quite...

Thanks, I will try the CONTACT200 entry. According to this document, 'Making your own sensor definitions', spaces are permitted in the 'name' line. If I use external resistors to give me the required voltage I need for the indications I want with the internal resistor set at 10 k, everything...

I have my gear indications on C37 pins 10/11 and 12.  I have changed the low resistance value in the .SFG file to 200 ohms.  However, the resistance value in the EMS appears to be at 10K, regardless of the selection made.  The gear indications are on the screen and when I use external resistance...

Thanks Jake. Everything now up to date. Even getting a GPS position in the workshop with the doors open. It appeared to me that the information on the Dynon site and some posts from others concerning updates, that, prior to installing the latest update, a particular level of software had to...

I have just powered up my avionics to find that the 10" display has software version 3.1.1.xxx installed and the 7" display, which is a replacement unit, has version 4.0.1.xxx installed. I have so far been unable to locate early versions of software to progressively update the 10" display...

Thanks again DS. I am just starting to get my head around how flexible this system is.

Thanks DS. I will have 2 change over micro switches which I can configure to obtain the three states needed. I take it from the install manual that 0 to 2.5 volts will give a green indication, and 2.5 to 5 volts will give the red. You say in your post that this can be achieved using a...