SV-EMS to Electroniocs International Pressure Prob

kurtfly

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Jun 21, 2014
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I am installing my Skyview system and using my existing Electronics International (EI) sensors. My question is I am trying to connect the Oil Pressure and Fuel Pressure to the EMS. These are both (EI) PT-100GA pressure senders, 4 wires. What is the proper connections for these??? Are these compatible with SV.
The (EI) install references this as the expected voltages to/from the sensor. I assume 0 psig.

Red Wire - +5 Volts.
Black Wire - 0 Volts.
Green Wire - 1.65 Volts.
White Wire - 1.65 Volts.
 

kurtfly

I love flying!
Joined
Jun 21, 2014
Messages
289
Also - I believe my CHT probe are type k thermocouple. Does this seem normal for Electronics International? The wires are yellow and Red? Is it possible to use Type K for the CHT's?

Also - the Oil Temperature probe looks to be a Type K Thermocouple also. Yellow / Red pair. EI oil temp probe part no. P-120. Is this expected?

This system install does not go into detail on what technology is being used.
 

kurtfly

I love flying!
Joined
Jun 21, 2014
Messages
289
I have contacted Dynon support via telephone who confirmed the 4 wire pressure sendors are not supported on the EMS.
The Theromcouple oil temp is supported if I connect a thermocouple wire to unused T/C input and configure it accordingly.
The CHT probes are also supported but I will have to change the Type J wire to Type K and reconfigure in setup.

I have decided to purchase new probes since these are about 15 years old...
 
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