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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
194
TABLE E 3.1.2-11: AIR DATA INPUT SELECT #11
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. Although
the AZ-241 provides Baro rate, the EGPWS
does not have an analog connection available.