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Range #1

A

J2-37

B

J2-36

Range #2

A

J2-41

B

J2-40

453 #1

A

J1-58

B

J1-59

453 #2

A

J1-56

B

J1-57

Gnd

J1-51

DSD #1 Gnd

J1-32

DSD #2 Gnd

J1-31

Gnd

J1-54

WX System R/T

 

Wx/TERR

 

Display

 

 

429 IN 453 OUT

 

System

ARINC 429 RANGE BUS

A

429 Range

B

Output Bus

 

 

A

453 WX /

ARINC 453 TERRAIN BUS #1

B

TERR BUS

 

 

 

TERRAIN

 

POP-UP

Terrain Pop-Up Discrete Output

TERRAIN

 

 

SELECTED

 

TERR

BRT/

 

 

 

 

DIM/

 

 

 

 

 

 

 

 

Display Select

 

TEST

DISPLAY RELAY

 

 

Discrete #1 Input

ON

 

 

 

 

 

 

 

28 VDC

 

 

Momentary

 

 

 

 

 

 

 

 

* Display relay specifications:

 

Terrain Display Select #1 Discrete Output

 

- 4PDT

- Continuous Duty Cycle

 

 

 

 

- Pickup Voltage: 13.5 Vdc Max.

- Dropout Voltage: 7.5 - 2.0 Vdc

 

 

 

 

- Coil Resistance: nominal 500 Ohms (~100mA @ 28 Vdc)

 

 

 

 

- Coil Rating: 26.0 Vdc (nominal) 34 Vdc (max.)

FIGURE 3.3.6-1 Single Tube Wx/Terrain Display

- Contact V drop: < 125mV @ rated load

- Contact current rating: 2 Amps resistive @ 28 Vdc

MK XXII EGPWS Installation

Honeywell

Manual

 

74

Page 74
Image 74
Honeywell MKXXII installation manual Single Tube Wx/Terrain Display