Honeywell
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 307
7.1.1.5 EGPWS Alert Discrete #2 (274)
Data: Discrete
Label: 274 Octal
Significant Bits: (see table below)
Sign Bit: N/A
Transmit Interval: 50 to 100 msec
Bit No. ASSOCIATED DISCRETE PIN DEFINITION (1 = ON)
11 J1-76 (TYPICALLY GLIDESLOPE CANCEL)
12 J1-77 GPWS ALERT
13 J1-78 GPWS WARNING
14 ---- GPWS INOP
* 15 ---- WINDSHEAR WARNING
16 J1-69 AUDIO ON
* 17 ---- WINDSHEAR INOP
* 18 ---- WINDSHEAR CAUTION
* 19 ---- CALLOUTS INOP
* 20 ---- VEE ONE INOP
* 21 ---- ENGINE FAIL INOP
22 ---- TERRAIN AWARENESS WARNING or OBSTACLE AWARENESS WARNING
23 ---- TERRAIN AWARENESS CAUTION or OBSTACLE AWARENESS CAUTION
24 ---- TERRAIN AWARENESS INOP
25 FRONT PANEL LED EXTERNAL FAULT
26 FRONT PANEL LED COMPUTER FAIL
27 ---- TERRAIN AWARENESS NOT AVAILABLE
28 J1-54 TERRAIN DISPLAY DISCRETE #1
* 29 J1-49 TERRAIN DISPLAY DISCRETE #2
NOTE (*): Bits 15, 17- 21 and 29 will be set to zero when Not Supported. Bits 15, 17, & 18 are supported by MKVIII EGPWS only, provided that WS
is included in configuration. Bits 20 & 21 are Not supported.
7.1.1.6 EGPWC Alert Discrete #3 (300)
Data: Discrete
Label: 300 Octal
Significant Bits: (see table below)
Sign Bit: N/A
Transmit Interval: 50 to 100 msec
BIT No. DEFINITION
11 MODES 1-4 INOP
12 MODE 5 INOP
13 MODE 6 INOP
14 BANK ANGLE INOP
* 15 MODE 7 INOP
16 TERRAIN CLEARANCE FLOOR INOP or RUNWAY FIELD CLEARANCE FLOOR INOP
17 TERRAIN AWARENESS INOP
18 ENVELOPE MODULATION INOP
* 19 SPEED BRAKE INHIBIT
* 20 SPEED BRAKE ALERT
* 21 TCAS INHIBIT
* 22 (SPARE)
* 23 (SPARE)
* 24 (SPARE)
* 25 (SPARE)
* 26 (SPARE)
* 27 FLAP OVERRIDE LATCH
28 OBSTACLE AWARENESS CAUTION
29 OBSTACLE AWARENESS WARNING
NOTE (*): Bits 15 and 19 - 27 will be set to zero when Not Supported. Bit 15 is supported by MKVIII EGPWS only, provided that WS is included in
configuration. Bits 19 - 27 are Not supported.