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Nesis III User's Manual
2
System Overview
2.1
Components in the Nesis System
The Nesis System consists of several electronic components, which work closely
together to bring flight, engine and fuel information onto graphical display.
The system consists of various components, some of these are required and
some are optional.
2.1.1
Required CAN Bus Components
Majority of these components communicate trough CAN bus. This section
list components and explains their interaction. Please note that photos are
not in scale.
Nesis master display is the major part of the sys-
tem.
It acts as a primary multi-functional dis-
play. Internally it hosts an embedded computer and
an AD-AHRS-GPS module called AIRU. The em-
bedded computer reads information from the CAN
bus and translates it into graphics you see on the
screen. The AIRU module consists of multiple sen-
sors: absolute pressure sensor for altitude and ver-
tical speed, differential pressure sensor for airspeed,
3 axis angular rate and 3 axis accelerometer sensors
for artificial horizon, GPS sensor for position and
OAT probe for true airspeed. Sensor readings are
passed trough various mathematical models which
in turn put the information on the CAN bus. AIRU
is actually an independent device mounted inside
Nesis for convenience.
14
2. System Overview
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