Label 270 Discrete Word 1 Format - Honeywell SPZ-8000 Maintenance Manual

Honeywell f~~~f~~vc'
The RPU provides the following outputs over the 429
computer:
Label
310
311
366
367
270
271
272
125
260
bus to the FMS navigation
Parameter Name Min. Required Rate (1 Second)
Latitude
Longitude
N-S Velocity
E-W Velocity
Discrete Word 1
(Refer to Table 11-2)
Discrete Word 2
(Refer to Table 11-3)
Discrete Word 3
(Refer to Table 11-3)
GMT
Date
2
2
2
2
BIT(S) FUNCTION SET
1-8
9 -13
15-14
16
17
18
19
20
21
22-29
Label
All Zeros
LAR Status (Lane Ambiguity Resolution)
15 14
0
0
no
LAR in progress
o
1 LAR in progress
1 0 insufficient signals for LAR
1 1 unsuitable geometry for LAR
System is in dead reckoning (DR) mode
Position uncertainty estimate exceeds
4.0 NM
System in nonsynchronized
System navigating in relative mode
Minor RPU failure
Major RPU failure
Position uncertainty estimate in binary
format, with Bit 22 corresponding to
0.1 NM and Bit 29 corresponding to
12.8 NM
1
1
1
1
1
1
Label 270 Discrete Word 1 Format
Table 11-2
22-14-00
Page
198.162
Apr 15/93
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