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MK VI MK VIII EGPWS Installation Design Guide
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CAGE CODE: 97896 SCALE: NONE SIZE: A DWG NO: 060-4314-150 REV:
SHEET 230
Table 5.3.6.1-247 Collins FDS 255/2000 with selection controlled by the EGPWS MK VIII Only
Display Configuration Group 252
Function Value Reference section
Display Type Collins FDS 255/2000
Sweep Type Fan
Category 7, Options Select Group #1
TA&D Alternate Pop Up: False TA&D Alternate Pop Up: True
Auto Pop Up
Pop Up On Caution or Warning Never Pop Up
5.3.7
Category 7, Options Select Group #1
Peaks Enable: False Peaks Enable: True
Peaks Mode
Peaks Off Peaks On
5.3.7
Manual select Anytime
Manual deselect Anytime
Auto Range No (see Integration Notes)
Moving Marker No
Overlay Page Yes for Peaks Elevations only (located on lower left of the display)
Display bus type ARINC 453
DISPLAY BUS #1
453TX_1
CONNECT TO:
A = J1-58
B = J1-59
Terrain Display data to switching relay/Symbol Generator #1 4.2.13.2
7.2
DISPLAY BUS #2
453TX_2
CONNECT TO:
A = J1-56
B = J1-57
Terrain Display data to switching relay/Symbol Generator #2 4.2.13.2
7.2
Display Input Control Group 253
CHANNEL
429_422RX_1
CONNECT TO: WX-IND 429 Bus 1 out
Format: ARINC 429 (Low Speed)
Fault Designation: DISPLAY BUS 1
Bus Type: Basic
A = J2-37
B = J2-36
Data
Range
Reference
6.2.20
Label
273
Sig. Bits
N/A
Range
5-320NM
Signal Type
Basic
Resolution
N/A
Rate (ms)
100
CHANNEL
429RX_3
CONNECT TO: WX-IND 429 Bus 2 out
Format: ARINC 429 (Low Speed)
Fault Designation: DISPLAY BUS 2
Bus Type: Basic
A = J2-41
B = J2-40
Data
Range
Reference
6.2.20
Label
273
Sig. Bits
N/A
Range
5-320NM
Signal Type
Basic
Resolution
N/A
Rate (ms)
100
CONN PIN # REFERENCE NAME PIN FUNCTION Polarity/Configuration
J1-32 GND_DISC_12 Reference
4.2.7
6.6.18
Display Select Discrete #1 Type 1 (Momentary)
Gnd = Display Select Toggle
<not> Gnd = Normal
J1-31 GND_DISC_13 Reference
4.2.7
6.6.19
Display Select Discrete #2 Type 1 (Momentary)
Gnd = Display Select Toggle
<not> Gnd = Normal
Output 429 Bus Group 0
Channel Pins Comments
429TX_1 (Low Speed) A = J2-43
B = J2-42
Transmits (Section 7) Label sets: 7.1.1.x, 7.1.2.x, 7.1.3.x, and 7.1.4.x
Integration Notes:
1. The EGPWS ARINC 429 Output Bus must be connected to the display.
2. When there is a Terrain Alert and the FDS 255/2000 is not currently displaying Terrain it will set its range to 10 NM
and Pop Up to Terrain mode. The range does not change if Terrain mode is already selected when there is a Terrain
Alert.
3. When interfacing to a single display controller configuration the bus must be connected to both EGPWS input
channels. This prevents the EGPWS from reporting an external bus fault on the second channel.