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Fuel pressure indication, Analog input with HXr EFIS

Postby glk0346 » Wed Sep 26, 2018 3:11 am

Need some help.

I originally used my EIS, Aux Input setting 3 for my fuel pressure but have since gone to the Analog ports on my HXr EFIS. Do I use the same Aux Off and Scale Factor settings as I used with the EIS Install Manual? In short, how do I configure that Analog port for fuel pressure reading?

I have perused over the "Use of VDO 80 and 150 PSI Pressure Senders with EIS Aux Input" but find it a bit confusing. For one the fuel pressure for a LY O-320 is .5 - 8 PSI. So, I don't see how a 80 PSI sender would work in my configuration.

Any recommendation and or comments would be greatly appreciated.
glk0346
 
Posts: 32
Joined: Wed Jun 06, 2018 3:51 am
Location: Huntsville Executive Airport, Meridianville, AL

Re: Fuel pressure indication, Analog input with HXr EFIS

Postby GRT_Jeff » Thu Sep 27, 2018 8:46 pm

The Scale Factor and Offset would be the same.

We have a 2 bar (28 psi) sender that can be used for fuel pressure or coolant, GRT part LPS-02. The document title is "Use of VDO 0-30 psi Pressure Sender with EIS Auxiliary Input".
GRT_Jeff
 
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Re: Fuel pressure indication, Analog input with HXr EFIS

Postby glk0346 » Thu Sep 27, 2018 11:35 pm

Thanks, Jeff, I'll order a new sender tonight.
glk0346
 
Posts: 32
Joined: Wed Jun 06, 2018 3:51 am
Location: Huntsville Executive Airport, Meridianville, AL

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