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clear explanation, thank you. so I take away from this that your 2 switches for master and alt work independently from each other and can be just simple SPST switches and both can be on regardless of the position of the other. Off course both is the normal operation mode but in case of problems...

The last response of n144sh is what I had in mind having a double switch to make sure there are no surge powers. but I read also in the VPX manual that the VPX field wire does protect against over voltage. That's what keeps me unsure how to wire. The vpx manual looks pretty clear on having to...

This may seems like a trivial question but I didn't find any answer in manuals. it's vpx related and not directly Skyview. My skyview is running well so far and I'm very happy with it. My excuses upfront but I'm not strong in electrics stuff. I've been able to get my vpx and basic circuits...

I was wondering how VPX knows the RPM data of the engine. Is this information transferred to the VPX over the EFIS serial line via the readings on the EMS module ?

thanks for clarifying the link with the 500 rpm on the engine. I hadn't thought of that and it makes sense, off course. Will move on with building.

That's indeed what I did. Is there any way I can test it other then seeing the VX Starter widget showing "ON" if it keeps stuck

Hi Folks, I have wired my ACS A-510-2 starter switch to the VPX as prescribed PWR pin to jumper J10-1 and the starter annunciator with a 1K 1W resistor in line to pin J2-11 When checking in VPX configurator, I can see the starter on message in device status going to ON when cranking to the...

ah super, I missed that paragraph in the enthusiasm and focusing on the schematic. I'll go for the closest 5.1K. Many thanks

I have a small question on wiring the optional Broken-Line detection for the autopilot disconnect switch on my G407 stick. My appologies upfront for the stupid question, I'm not very skilled in electronics or electricity. Although so far I have been lucky not to see any smoke. The manual...

hi Everyone, I have a small question (probably stupid). I'm wondering why the manual on the install kits of roll and pitch servo tell you to drill a #11 size hole in the bellcranks. Is there a reason why this is #11 ? In the entire aircraft I have always drilled and reamed #12 holes for AN3...

I purchased the intercom harnass and will reply my own initial question. In order to find out more on the internals of the wiring I opened up the shrink tube at the intercom connector and looked what was found underneath. In short: the purchased harnass comes with the ground wires and shields...

you are right, I forgot to update the text on the second line to copilot mic instead of phones. updated it in this picture

Thanks a lot for all the answers, this together lead me to a solution which leads to how I will wire it as in the image below. hope my findings also help other less experienced builders (like myself) with the same question. open for comments if something looks wrong ** deleted original picture ***

I understood indeed the part of a solder sleeve and a single wire pigtail as a connection point to facilitate. what I can't physically picture yet is the point in the manual where it says to wind the 6 or even 9 wires together in a single joint to join pin 1 of the intercom. the point where you...

does someone have an example that shows how you do that (bringing all these shields together ? the manual says to wind all cables together. That seems like a lot of cables to go to one single pin point. How do you manage that in or so close to the connector of the intercom. If someone could...

Hi all, I am planning on buying the SV-HARNESS-INT harnass for the intercom as it seems too many wires to handle conveniently by myself. The manual of the intercom states about ground loops and shield grounding : Because other electrical loads can cause large current flows in a ground path...

thanks a lot for the clear explanation. I will proceed in that way as I have the 3 conductors.

I did buy the backup battery so J23 is not a good option then. J24 goes on GND of the the gps so that leaves 21 and 22 if I would follow the recommendations in the VPX manual. Did I understand your first answer on ground loop well that it's probably better to solder the vpx J1-21 gnd line...

sorry I got confused, I meant pin 23, another free Black GND on D37, (travelling and not close to the plane now and remember that I indeed connected 21 and 22 to GND bus and 1 and 20 to the main power of vpx J12-9. so please let me rephrase it as pin 23, I'll update the main question above as...

(updated after response1) Hi, I have a small question on the connection of the VPX serial data connection to the D37 harnass. I'm not very confident with wiring yet and feeling better safe than sorry and asking upfront to this wise community. I read in the VPX manual that you can pick any...