Electronics International MVP-50P User Manual

Page 97

A2.0 Appendix

Interfacing the EDC to a

Centroid/Sky Sports Capacitive Fuel Level Probe

A. Connecting the Centroid/Sky Sports 3-Terminal 240 to 33 ohms or 0 to 90 ohms

Fuel Probe to an EDC Fuel Level Input:

Both of Centroid's fuel level probes will interface to the EDC when equipped with a RFLM-4-xx module. Be sure
the RFLM-4-xx module is appropriate for the aircraft’s bus voltage it is to be used on.

C. Setting up the MVP-50 for the Centroid/Sky Sports Probe:

Navigate to the "1. EDC Input to Function Mapping" screen on the MVP. For the “EDC Input” connected to the
Centroid probe, select the appropriate “Function” and set the “Probe” to one of the following:

Centroid Fuel Level Probe:

"Probe:"

240 to 33 Ohms

RFLM-4 L=F

0 to 90 Ohms

RFLM-4 H=F

0-5 Volt

Fuel 0-5V

B. Connecting the Centroid/Sky Sports 3-Terminal 0-5 Volt Fuel Probe to an EDC

Fuel Level Input:

The 0-5 Volt Centroid's fuel level probe will interface directly to an EDC Resistive Fuel Level Input.

SEND

NEG

POS

FULL EMPTY

Fuel Level Probe

(O-5 Volts Out)

EDC

(Resistive Fuel

Level Input)

To Bus (12/24 V)