Roll angle (325), Magnetic heading (320), Localizer deviation (173 or 116) – Honeywell MK VI User Manual

Page 286: Pitch angle (324), Range (271) - kcpb, Dsu status word (350)

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Honeywell

MK VI MK VIII EGPWS Installation Design Guide

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6.2.31 Roll Angle (325)

ROLL ANGLE

Source: ARINC 704 INU / IRS/ AHRS / FMS or IOC

LABEL (Octal) 325

Units: Degrees/180

Max. Range:

±

180 Degrees

Approx. LSB: 0.01099 Deg

Data Bits: 15 to 28 = 14

+ = Right Wing Down

Sign Bit: 29

Pad Bits: 11 to 14

Transmit Interval (mSec): 10 to 36

Data Type: 2’s Complement Binary

SDI Bits: 9, 10

6.2.32 Magnetic Heading (320)

MAGNETIC HEADING

Source: ARINC 704 INU / IRS / AHRS / FMS or IOC

LABEL (Octal) 320

Units: Degrees/180

Max. Range:

±

180 Degrees

Approx. LSB: 0.00549 Degrees

Data Bits: 14 to 28 = 15

+ = Clockwise from North

Sign Bit: 29

Pad Bits: 11 to 13

Transmit Interval (mSec): 10 to 50

Data Type: 2’s Complement Binary

SDI Bits: 9, 10

6.2.33 Localizer Deviation (173 or 116)

LOCALIZER DEVIATION

Source: ARINC 710 ILS or IOC

LABEL (Octal) 173 or 116

Units: See NOTE

Max. Range:

±

0.4 DDM

Approx. LSB: 0.0000977 DDM

Data Bits: 17 to 28 = 12

+ = Fly RIGHT = Left of Beam C/L

Sign Bit: 29

Pad Bits: 11 to 16

Transmit Interval (mSec): 33.3 to 66.6
115 ms max for IAC
100 ms max for IOC

Data Type: 2’s Complement Binary

SDI Bits: 9, 10

NOTE: Units = Difference in Depth of Modulation (DDM) 0.0775 DDM = 1 ‘Dot’.

6.2.34 Pitch Angle (324)

PITCH ANGLE

Source: ARINC 704 INU / IRS/ AHRS / FMS or IOC

LABEL (Octal) 324

Units: Degrees/180

Max. Range:

±

180 Degrees

Approx. LSB: 0.01099 Deg

Data Bits: 15 to 28 = 14

+ = Nose Up

Sign Bit: 29

Pad Bits: 11 to 14

Transmit Interval (mSec): 10 to 36

Data Type: 2’s Complement Binary

SDI Bits: 9, 10

6.2.35 Range (271) - KCPB

RANGE

Source: KCPB Display

LABEL (Octal) 271

Units: NM

Max. Range: 1023.5

Approx. LSB: 0.5

Data Bits: 19 to 29 = 11

+ = N/A

Sign Bit: N/A

Pad Bits: 11-18

Transmit Interval (mSec): at least 200 msec.

Data Type: Binary

SDI Bits: 9,10

6.2.36 DSU Status Word (350)

DSU STATUS WORD

Source: DSU

LABEL (Octal) 350

Units: N/A

Max. Range: N/A

Approx. LSB: N/A

Data Bits: Discrete word, see below

+ = N/A

Sign Bit: N/A

Pad Bits: N/A

Transmit Interval (mSec): 1000 maximum

Data Type: Discrete

SDI Bits: 9,10

DSU STATUS WORD BIT ASSIGNMENTS

Bit No.

DEFINITION

11

Power Up Program Memory Test (ROM_FAIL)

12

Power Up External RAM Test (RAM_FAIL)

13

Power Up UDI Video Dual Port RAM Test (UDIVM_FAIL)

15-14

Unused (always 0)

16

Continuous ARINC 453 Inactive Test (A453INACT_FAIL)

17

Continuous Display Range Validity Test (DISPRING_FAIL)

18

Continuous Unused Interrupts Test (UNUSEDINT_FAIL)

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