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)