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Honeywell
MK XXII EGPWS Installation Manual
CAGE CODE: 97896 SCALE: NONE SIZE: A DWG NO: 060-4314-225 REV: C
SHEET
191
TABLE E 3.1.2-3: AIR DATA INPUT SELECT #3
SIGNAL CONNECTION SUMMARY DATA
Uncorrected Barometric
Altitude
(+) = J1-62
(-) = J1-43
Format: DC with Validity Flag
Input Type: Basic
Fault Designation: BAROMETRIC ALTITUDE FAULT
Validity: Barometric Alt Valid (+28V)
Outside Air Temp
Total Air Temperature
Probe element
Excitation:
Temp Input
(probe element):
Ground
5 V = J1-25
(+) = J1-63
(-) = J1-44
GND = J1-53
Format: DC
Input Type: Basic
Fault Designation: STATIC AIR TEMPERATURE FAULT
OAT PROBE
ELEMENT
25
J1
(5 V Ref)
63
44
Temp In
4.42 K Ohms
53
Voat
Chassis Gnd
-
+
Note: Nominal 500
Ω
Temperature Probe only.
Resistance @ 0
°
C: 500
Ω±
0.6
Ω
Connection example:
CIC Temperature Sensor, P/N 05257 (2 wire). Connect positive lead
to both J1-25 and J1-63. Connect negative lead to both J1-44 and J1-
53 (Chassis Ground).
Other probes may have three contacts.
Computed Airspeed No Connection N/A Substitute Ground Speed for Airspeed (airspeed is not available with this air data input)
PIN FUNCTION CONNECTION PIN TYPE
CHANNEL
DESIGNATION
REFERENCE
Polarity/Configuration References
Barometric Altitude
Validity Discrete
(+28V)
J1-9 Input 28V_DISC_08 >+17V = Valid
< +4.4V = Invalid
6.6.19
4.2.7
Configuration Data Type Summary Data
Derive Baro Altitude Rate Analog Baro Altitude Rate is derived using
Uncorrected Barometric Altitude. Baro Rate
is not available with this air data source.