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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
190
TABLE E 3.1.2-0: AIR DATA INPUT SELECT #0
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.
TABLE E 3.1.2-1: AIR DATA INPUT SELECT #1
CHANNEL
429RX_2
CONNECT TO:
ADC #1 (Low Speed)
Format: ARINC 429
Fault Designation: AIR DATA BUS
Bus Type: Basic
A = J2-39
B = J2-38
Data
Uncorrected. Baro. Alt
Computed Airspeed
Barometric Rate
Static Air Temperature
Label
203
206
212
213
Sig. Bits
17
14
11
11
Range
±131,072 FT
±1024 KTS
±32768 FPM
512 Degrees
Signal Type
Basic
Basic
Basic
Basic
Resolution
1.0
0.0625
16.0
0.25
Rate (ms)
31.3-62.5
62.5-125
31.3-62.5
250-500
TABLE E 3.1.2-2: AIR DATA INPUT SELECT #2
CHANNEL
429RX_2
CONNECT TO:
ADC #1 (Low Speed)
Format: ARINC 575
Fault Designation: AIR DATA BUS
Bus Type: Basic
A = J2-39
B = J2-38
Data
Uncorrected. Baro. Alt
Computed Airspeed
Barometric Rate
Static Air Temperature
Label
203
206
212
213
Sig. Bits
17
13
11
10
Range
±131,072 FT
±1024 KTS
±20480 FPM
±512 Degrees
Signal Type
Basic
Basic
Basic
Basic
Resolution
1.0
0.125
10.0
0.5
Rate (ms)
31.3-62.5
62.5-125
31.3-62.5
250-500