INSTALLATION MANUAL
CMA-5024 GLSSU
This document includes Proprietary Information and shall not be reproduced or communicated to third party
without prior written permission by CMC Electronics Inc.
Page C.1
November 21, 2008
APPENDIX C
SUPPLEMENTARY DATA FORMAT INFORMATION FOR ARINC 429 DATA LABELS
1. DETAILED DESCRIPTION
The following tables provide the detailed descriptions for ARINC 429 input and output label used by the
GLSSU for labels that are not sufficiently described by the tables in Appendix A.
1.1 Label 002 - LTP/FTP Time To Go – Output
ARINC BIT DESCRIPTION SETTING
32 Parity Odd
31-30 SSM Normal Operation = 00
No Computed Data = 01
Functional Test = 10
Not Used = 11
29 Reserved =0
28-27 Hundreds (minutes) 0-3
26-23 Tens (minutes) 0-9
22-19 Ones (minutes) 0-9
18-15 Tenths (minutes) 0-9
14-11 Padding =0
9-10 SDI Not Used = 00
Unit 1 = 01
Unit 2 = 10
Unit 3 = 11
8-1 Octal Label 002
1.2 Label 012 - LTP/FTP Range Rate – Output
ARINC BIT DESCRIPTION SETTING
32 Parity Odd
31-30 SSM Normal Operation = 00
No Computed Data = 01
Functional Test = 10
Not Used = 11
29 Reserved =0
28-27 Thousands (knots) 0-1
26-23 Hundreds (knots) 0-9
22-19 Tens (knots) 0-9
18-15 Ones (knots) 0-9
14-11 Padding =0
9-10 SDI Not Used = 00
Unit 1 = 01
Unit 2 = 10
Unit 3 = 11
8-1 Octal Label 012
The document reference is online, please check the correspondence between the online documentation and the printed version.