Honeywell International Inc. KSN770 用户手册

Page 3-19

6 Dec 2012

SYSTEM INSTALLATION MANUAL

066-01204 / 066-01213

© Honeywell International Inc. Do not copy without express permission of Honeywell.

Normal Operation:

Open

Start Self Test:

Momentary GND

This input starts the EGPWS Self Test.

(3)

Landing Gear (Growth)

J2-34

LANDING GEAR

Gear Down:

GND

Gear Up:

Open

This input signals the state of the landing gear.

(4)

Flaps or Tactical Select (Growth)

J2-15

SHARED-FLAPS OR TACTICAL SELECT (LOW ALTITUDE MODE)

For fixed wing aircraft, this indicates the position of the flaps as follows:

Flaps Retracted: 

Open

Flaps Extended: 

GND

For Rotorcraft, this input indicates normal or low altitude mode:

Normal Operation: 

Open

Low Altitude Operation: GND

(5)

Annunciations (Growth)

J2-24

TERRAIN CAUTION ANNUNCIATE

J2-4

TERRAIN WARN ANNUNCIATE

J2-3

TERRAIN FAILURE ANNUNCIATE

J2-23

SHARED-AUDIO OR LOW ALTUTIDE MODE ANNUCIATE

These annunciations are active when grounded.

(1)

EGPWS Control

J14-13

EGPWS CTRL 429 TX A

J14-12

EGPWS CTRL 429 TX B

This serial data bus conforms to ARINC 429 electrical characteristics, and is configured for 
high operating speed.

Label 017 (discretes data) is provided on this output of the KSN 7xx to implement the 
EGPWS control functions.

Draft as of 10/15/2012