Honeywell MKXXII 3.3, Category 3, Position Input Select, Position Input Type TableE Description

Honeywell

MK XXII EGPWS Installation Manual

SIGNAL

Uncorrected Barometric Altitude

Outside Air Temp

Computed Airspeed

PIN FUNCTION

Barometric Altitude Validity Discrete (+28V)

CONNECTION

(+)= J1-62 (-) = J1-43

No Connection

No Connection

CONNECTION

J1-9

TABLE E 3.1.2-12: AIR DATA INPUT SELECT #12

SUMMARY DATA

Format: DC with Validity Flag

Input Type: Basic

Fault Designation: BAROMETRIC ALTITUDE FAULT

Validity: Barometric Alt Valid (+28V)

Format: Internal Constant 250C and Valid.

Input Type: Basic

Fault Designation: Static Air Temperature.

N/ASubstitute Ground Speed for Airspeed (airspeed is not available with this air data input).

	CHANNEL
PIN TYPE	DESIGNATION	Polarity/Configuration	References
	REFERENCE
Input	28V_DISC_08	>+17V = Valid	6.6.19
		< +4.4V = Invalid	4.2.7

Configuration Data

Derive Baro Altitude Rate

Type

Analog

Summary Data

Baro Altitude Rate is derived using Uncorrected Barometric Altitude. Although the AZ-800 provides Baro rate, the EGPWS does not have an analog connection available.

E 5.3.3 CATEGORY 3, POSITION INPUT SELECT

The following table provides identification of the Position source signal. Each entry in the Position Input Type column has a corresponding table that provides detailed information on the configuration. For example, the details for Position Input Type #0 are found in Table E 3.1.3-0.

In this category, only the following Position signals are defined:

•	Altitude	•	Longitude Position
•	Date	•	Sensor Status
•	Ground Speed	•	True Track Angle
• Horizontal Figure of Merit (HFOM)		•	Universal Time Correlation
•	Horizontal. Integrity Limit	• Vertical Figure of Merit (VFOM)

•Latitude Position

TABLE E 3.1.3: POSITION INPUT SELECT FOR EGPWS MKXXII

ID

0

1

2

3

4

5

255

Position

Input

Type

(TableE 3.1.3-x)

0

1

2

3

4

5

6

Description

GPS, ARINC 429 low speed, 743A format

GPS, ARINC 429 low speed, 743 format

GPS, Internal (RS-232 GPS-PXPRESS format)

GPS, External (RS-232 GPS-PXPRESS format)

GPS, ARINC 429 high speed, 743A format

GPS, ARINC 429 high speed, 743 format

Dual GPS, ARINC 429 high speed, 743 format

Effectivity

App. Cfg.

-001 -001

-001 -001

-001 -001

-001 -001

-001 -001

-001 -001

-003 -003

Note 1: The GPS Altitude Reference in Category 7, Options 1 Select must be properly applied for the appropriate GPS Position type. At the time of release of this document, all GPS sources except the Universal GPS1000 based systems are of

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