Horis User Manual
2.5
Levelling AHRS
1
5
6
9
Figure 12:
Illustration of the pin out on the D-sub 9 port.
Pin
Description
1
Reserved for future use, do not connect.
2
Reserved for future use, do not connect.
3
Reserved for future use, do not connect.
4
+12V out – used to power some device, max 50 mA.
5
GND
6
RS-232 RX 1 (receive line)
7
RS-232 TX 1 (transmit line)
8
Reserved for future use, do not connect.
9
Reserved for future use, do not connect.
Table 7:
D-sub 9 pin description.
Currently only transmit line can be used for GPS NMEA senstences.
Typically, pin 5 (GND) and pin 7 (TX 1) are connected to some
receiveing device.
Other pins are currently not supported by firmware and may become
active with future updates.
2.5
Levelling AHRS
During assembly of the AHRS unit into the Horis and during in-
stallation of Horis into the instrument panel, a small misalignment
may appear. This means that internal axes of the AHRS unit are
not parallel to the aircraft axes – the AHRS unit is slightly rotated.
25
©
Kanardia
2021
Summary of Contents for Horis
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