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INDU Airspeed — Manual
(a) 57 mm
Figure 6: Back view of the instrument with connections.
2.2.2
Total Pressure - Ptot
The instrument must be connected to the total pressure source. Total pressure source is
obtained from the total port on the pitot tube.
Same principles as with the static connection apply.
2.2.3
CAN Bus - CAN
Connection to the CAN bus is optional and is not required for the normal operation. When
connected to the bus, airspeed will transmit airspeed and OAT
to the bus.
Use standard RJ45 ethernet cable to connect it with other Kanardia equipment.
2.2.4
Power - POWER
Connect supplied connector at the back of the airspeed. The connector has a notch on one
side, which protects from wrong orientation.
Connect blue lead to negative (ground) terminal and red lead to positive (+12 to +24 V)
terminal.
2.2.5
Outside Air Temperature - OAT
Outside air temperature (OAT) probe is shipped with airspeed on request. This is a digital
temperature sensor inserted into a threaded aluminium tube. Default OAT cable length is
1.5 meters but other lengths are available on request.
OAT information is required to calculate true airspeed from indicated airspeed and altitude,
as well as to provide you with the outside temperature information.
In order to provide accurate measurements, OAT probe must be installed on a proper place
where the probe is not exposed to the disturbing sources of heat:
(b) 80 mm
1
data to other units connected
9
2.2 Connections
©
Kanardia 2016
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