SV-EMS-220 Engine Monitoring System Installation and Configuration
SkyView HDX System Installation Manual - Revision E 10-15
• FUEL LEVEL (RESISTIVE) – averages changes in fuel level over 1.5 minutes,
with most of the change occurring within the first minute). This is a change from
previous versions of this setting, and is the default setting.
• FUEL LEVEL (RESISTIVE FASTER RESPONSE) – averages changes in fuel
level over 15 seconds, with most of the change occurring within the first seven
(7) seconds.
• FUEL LEVEL (RESISTIVE SLOWER RESPONSE) – averages changes in fuel
level over seven (7) minutes, with approximately 2/3 of the change occurring
within the first three (3) minutes.
Choose the option which provides your preferred responsiveness to actual fuel level
changes. For example, FUEL LEVEL (RESISTIVE SLOWER RESPONSE) might be
preferred for an acrobatic aircraft where the (measured) fuel level changes rapidly in
maneuvers that would otherwise trigger a low fuel level alert.
10.2.15.2 Capacitive Fuel Level Sensors
Capacitive fuel level sensors such as those made by Princeton Electronics are only
supported on pins 8, 22, 23, and 31 on the SV-EMS-220 D37. Capacitive sensors must
output a variable voltage within the ranges of 0-5 volts DC.
First, connect the sensor with power according to the manufacturer’s
instructions. If the capacitive fuel level sensor requires its own calibration,
perform that calibration before performing the SkyView fuel level calibration.
Configure the pin you use:
SETUP MENU > EMS SETUP > SENSOR INPUT MAPPING > C37 Pxx (8, 22, 23, or
31).
You can choose the following options under SENSOR:
• FUEL LEVEL (CAPACITIVE) – averages changes in fuel level over a few
minutes. This is a change from previous versions of this setting.
• FUEL LEVEL (CAPACITIVE SLOWER RESPONSE) – averages changes in
fuel level over approximately 3x the time of FUEL LEVEL (CAPACITIVE).
Choose the option which provides your preferred responsiveness to actual fuel level
changes. For example, FUEL LEVEL (CAPACITIVE SLOWER RESPONSE) might be
preferred for an acrobatic aircraft where the (measured) fuel level changes rapidly in
maneuvers that would otherwise trigger a low fuel level alert.
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