KAD/ABM/101 ARINC-429 Bus Monitor Parser/Snarfer

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The KAD/ABM/101 is an ARINC-429 bus monitor, which combines the capabilities of a coherent message parser with the flexibility of an all-pass/selected-pass snarfer FIFO and an error-detection function, on a single module.

The parser parses up to 4,095 words and their associated time and status tags. Each message has a stale bit (word read before) and a skipped bit (buffer overwritten). Messages can be parsed based on their bus number, label, SDI, and/or SSM fields.

The snarfer stores selected traffic and tags in a FIFO, 64K words deep. Each word has 16 bits for traffic tag information and 7 bits for FIFO content identification. Data selection and content identification is based on the Bus (0 to 7), ARINC traffic, tag type (time high/low/micro and message count), and how full the FIFO is. 

The word count increments on receipt of a valid word. The report word has bits indicating the type of error caught and the bus it occurred on.

Features

  • Monitors up to eight ARINC-429 busses
  • Coherently parses traffic and tags for up to 4,095 words
  • 64K deep selective First In First Out (FIFO) for traffic and tags (snarfer)
  • Word counter for each bus
  • Detects six types of errors

Applications

  • ARINC-429 monitoring
  • Translation from one bus to another
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KAD/ABM/101 ARINC-429 Bus Monitor Parser/Snarfer

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