Appendix
9-2 EFIS-D100 Pilot’s User Guide
EFIS SERIAL DATA OUTPUT
The format for the data sent out the EFIS RS232 port is:
Start
Char
Width Description Notes
1 2 Hour 00 to 23, current Zulu time hour according to EFIS-D100’s internal clock.
3 2 Minute 00 to 59, current Zulu time minute according to EFIS-D100’s internal clock.
5 2 Second 00 to 59, current Zulu time second according to EFIS-D100’s internal clock.
7 2 Fractions 00 to 63, counter for 1/64 second. Data output frequency.
9 1 Pitch Sign ‘+’ or ‘-’ (positive means aircraft is pitched up).
10 3 Pitch 000 to 900, pitch up or down from level flight in 1/10 degrees (900 = 90
o
).
13 1 Roll Sign ‘+’ or ‘-’ (positive means aircraft is banked right).
14 4 Roll 0000 to 1800, roll left or right from level flight in 1/10 degrees (1800 = 180
o
).
18 3 Yaw 000 to 359 in degrees (000 = North, 090 = East, 180 = South, 270 = West).
21 4 Airspeed 0000 to 9999, airspeed in units of 1/10 m/s (1555 = 155.5 m/s).
25 1 Altitude Sign ‘+’ or ‘-’ (positive means altitude is above sea-level).
26 4 Altitude
0000 to 9999, altitude in units of meters; alternates between pressure and displayed
altitude, depending on status bitmask, starting at character 42.
30 1
Turn Rate/VSI
Sign
‘+’ or ‘-’ (positive means aircraft is turning right). Alternates between turn rate and
VSI sign, depending on status bitmask, starting at character 42.
31 3
Turn Rate or
VSI
Alternates between turn rate and VSI, depending on status bitmask, starting at
character 42. When turn rate, 000 to 999, 1/10 degrees/second rate of yaw change.
When VSI, 000 to 999, 1/10 feet/second.
34 1 Lateral g’s Sign ‘+’ or ‘-’ (positive means aircraft is experiencing leftward lateral acceleration).
35 2 Lateral g’s 00 to 99, lateral g’s in units of 1/100 g (99 = 0.99 g’s).
To Next Page
Loading...
