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Honeywell
MK XXII EGPWS Installation Manual
CAGE CODE: 97896 SCALE: NONE SIZE: A DWG NO: 060-4314-225 REV: C
SHEET
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3.3.13 Category 13 – Input / Output Discrete Type Select
Category 13 defines the input and output discretes not defined as part of any of the other
Categories.
Appendix E Table E 3.1.13
defines the Input/Output discretes options and identifies the first MK
XXII EGPWS version in which the option was available (see the Effectivity entry).
3.3.13.1 Instruction
1. Using
Appendix E Tables E 3, E 3.1.13, and E 3.1.13-x
, select the Input/Output Discrete
Type number that matches the aircraft configuration, feature preferences and version (part
number) being installed.
Note: Helicopter I/O Discrete options are Types 128 or 129. The difference is the Output Lamp
format described below in section 3.3.13.3.1.
2. Record the ID number for the Input/Output Discrete Select number from
Appendix E Table
5.3.13
under the Ident No. heading for Step (Category) 13 in
Appendix E Table E 3.
This
number will be used for programming the configuration module.
3. Using the Input/Output Discrete Type number from
Appendix E Table E 3.1.13
as “x”, the
ICD
Table E 3.1.13-x.
is used to determine the wiring interconnects, record it on Appendix A Fig
A1-1, A1-2, and A1-3.
Note: When there are two discrete pin choices for the same pin function in
Appendix E Table E
3.1.13-x
, use only the one that matches the aircraft wiring (use only the +28V and 0V or the
Ground and Open definitions).
3.3.13.2 Input/Output Discretes
Additional information for the discretes is provided below.