Understanding and Troubleshooting

C r u c i a l K n o w l e d g e 2544 N. Fox Run Court Wichita KS 67226 301-412-5966 www.crucial-knowledge.info ARINC 429: Theory & Troubleshooting

I. ARINC 429 overview a. Origin b. Uses c. History II. Training Objectives III. Terms IV. 429 based systems V. ARINC Specifications a. Electrical characteristics b. Word structure c. Protocol d. Bus configuration i. Star ii. Drop bus iii. Multiple bus VI. Transmission Characteristics a. Bus speed b. Signal voltage levels c. Impedance i. Cable ii. Receives d. Modulation e. Clock f. Data g. 429 signal VII. Wave Form Parameters a. Bit time b. ½ Bit time c. Rise time d. Fall time e. Wave shape VIII. Word Formats a. Parity i. Definition ii. Control b. Sign/Status Matrix i. Definition ii. Use c. Data i. Number of data bits ii. Data types available iii. Order of transmission iv. Decoding v. Multiple data words d. Source/Destination Identifier i. Definition ii. Common use iii. Special use e. Labels i. Definition ii. Order of transmission f. Label extensions IX. Data Types a. Binary (BNR) b. Binary coded Decimal (BCD) c. Discrete d. Maintenance and Acknowledgment e. Williamsburg/Buckhorn Protocol X. 429 Examples a. Collins VHF-900 b. VSI/TCAS Display XI. 429 Replacement XII. 429 Special test equipment XIII. Troubleshooting 429 a. RT address information i. Identification ii. Location b. 429 conversions i. Direct control information ii. To 1553 c. Schematic of ARINC receiver circuits i. Components ii. Signal flow iii. Functional analysis d. Schematic of ARINC transmitter circuits i. Components ii. Signal flow iii. Functional analysis e. UART input / output signals f. Word format vs word transfer order g. Specific data word examples i. Generation ii. Interpretation 1. Examples 2. Scope 3. Logic analyzer 4. Multimeter 5. Probe iii. Location h. Forms for Technicians use i. Student exercises j. Review/questions & answers

XIV. Summary/Conclusion