Honeywell

MK XXII EGPWS Installation Manual

E 5.3.11 CATEGORY 11, HEADING INPUT SELECT

The following table provides identification of the Heading type. The entry in the Heading Input Select corresponds to a table that provides detailed information on the configuration. For example, the details for Magnetic Heading Input Select #1 are found in 0-1.

In this category, only the following signals are defined:

Magnetic Heading

TABLE E 3.1.11: HEADING INPUT SELECT FOR EGPWS MK XXII

ID

0

2

Heading Input

Select

(Table E 3.1.11-x)

0

2

Description

Analog Magnetic Heading (3-Wire Synchro with reference and validity discrete)

High Speed ARINC 429 (Note 1)

Effectivity

 

 

 

 

 

 

App.

 

Cfg.

 

 

-001

-001

 

 

 

 

 

 

-006

 

-006

 

Note 1: ID 2 is intended to be used in conjunction with Category 10 (Attitude) ID 128.

SIGNAL

Magnetic Heading

PIN FUNCTION

Magnetic Heading Validity Discrete

CONNECTION

(X)= J1-22

(Y)= J1-23

(Z)= J1-3 Reference

(H)= J1-4

(C)= J1-24

CONNECTION

J1-28

TABLE E 3.1.11-0: HEADING INPUT SELECT 0

SUMMARY DATA

Format: 5 Wire Synchro with Validity Flag

Input Type: Basic

Fault Designation: MAGNETIC HEADING FAULT

Validity: Magnetic Heading Validity Discrete (+28V)

Reference: Nominal 26 VAC

 

PIN TYPE

CHANNEL DESIGNATION

 

Polarity/Configuration

 

 

 

 

 

 

REFERENCE

 

 

 

 

 

Input

28V_DISC_10

 

>+17V = Valid

 

 

 

 

 

 

 

 

< +4.4V = Invalid

 

 

 

TABLE E 3.1.11-2: HEADING INPUT SELECT 2

 

 

 

 

 

 

 

 

 

 

 

 

 

CONNECT TO:

CHANNEL

AHRS

429RX_7

(High Speed)

 

A = J2-23

Data

B = J2-6

Magnetic Heading

 

 

 

 

 

 

 

 

Fault Designation: AHRS BUS

 

 

 

Bus Type: Basic

 

 

 

 

 

Label

Sig. Bits

 

Range

 

Signal Type

Resolution

Rate (ms)

320

15

 

±180 degrees

 

Basic

0.0054931640625

10-50

CAGE CODE: 97896 SCALE: NONE SIZE: A DWG NO: 060-4314-225

REV: C SHEET 240

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Honeywell MKXXII installation manual Category 11, Heading Input Select, Heading Input Select Table E Description