Output 429 bus group, Instructions, Sample display schematics – Honeywell MK VI User Manual
Page 71: 4 output 429 bus group, 5 instruction s, 6 sample dis play schematics
Honeywell
MK VI MK VIII EGPWS Installation Design Guide
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In some installations where the Radar (Terrain) displays are controlled from one source, the Range input buses into the EGPWS must be
paralleled to satisfy EGPWS dual input requirements.
CONN PIN #
REFERENCE NAME
PIN FUNCTION
Polarity/Configuration
J1-32
GND_DISC_12
Reference
6.6.18
Display Select Discrete #1
Type 1 (Momentary)
Gnd = Display Select Toggle
<not> Gnd = Normal
J1-31
GND_DISC_13
Reference
6.6.19
Display Select Discrete #2
Type 1 (Momentary)
Gnd = Display Select Toggle
<not> Gnd = Normal
3.8.4 Output 429 Bus Group
This output bus is commonly connected to EFIS and/or EICAS displays and Flight Recorders. The output
transmits MK VI/MK VIII EGPWC alert, fault, and mode status to other systems.
Output 429 Bus Group
Channel
Pins
Comments
429TX_1
A = J2-43
B = J2-42
Transmits Label sets: (Section 7)
429TX_2
A = J2-26
B = J2-9
No Connection (No Data Output)
3.8.5 Instruction s
Using Appendix E Tables 5.2, 5.3.6, and 5.3.6.1-x as described above, select the Terrain Display
Select Type (ID) that matches the aircraft configuration, feature preferences and version (part
number) being installed.
Record the ID number for the Terrain Display Select Type from Appendix E Table 5.3.6 under the
Ident No. heading for Step (Category) 6 in Appendix E Table 5.2.
Record the Display Configuration Group number here ! _______________.
Note: This information is used to determine TA&D Alternate Pop Up and Peaks Mode availability
for Category 7.
The electrical interfaces (pin-outs) for the Display Configuration Group, Display Input Control
Group, and Output 429 Bus Group are shown in the Appendix E Table 5.3.6.1-x and are used to
generate the installation wiring diagrams.
3.8.6 Sample Dis play Schematics
Honeywell GNS-X
LS
Honeywell KMD 540 / 550 / 850
Honeywell Grimes TRA-45A
Honeywell Primus UDI with Avtech DSU
Honeywell Primus 440/660/880 Integrated
Honeywell Primus 1000
Honeywell Bendix RDR 2000 / IN182A
Honeywell Bendix PPI-4B
Honeywell Bendix EFS-40/50
Collins WXI-701/711
Collins Pro-Line II / IV
Honeywell SPZ8000 / SG-802/803/806
Universal MFD-640