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The BIM-232D-2 is a 4-channel RS-232 bus monitor card for use in CurtissWright’s EDAU/CDAU/WDAU/NDAU-2000 series products. The card supports serial communications per the EIA-RS-232 standard at baud rates from 50 baud up to 230.4 Kbaud on a per-channel basis (921.6 Kbaud in Kulite mode). High, low and micro timestamping are provided on a per-data-packet basis.

Key Features

  • 4-channel RS-232/422/485 bus monitor card
  • Compatible with RS-232 Honeywell PPT Transducers, Model PPT, PPT-R and PPT2
  • Compatible with Rosemount Micro Air Data Transducer (Model 2014MB)
  • Compatible with Paroscientific Pressure Transducers (Series 1000, 6000, and 9000)
  • Compatible with Kulite pressure scanner model KMPS-1-32/64
  • Programmable RS-232 characteristics:
    • RS-232, RS-422 or RS-485 operation
    • Baud rates from 50 to 230,400 Baud (921,600 in Kulite mode)
    • 5, 6, 7, or 8 data bits
    • 1, 1.5, or 2 stop bits
    • Odd, even, or no parity
  • Timestamp per channel with high, low and micro time
  • As a bus monitor:
    • Supports EIA-RS-232 standard
  • Multiple operating modes:
    • Available on a per-channel basis
    • FIFO, current value table or double buffer mode 
  • One (1) external sync. pulse provided per channel
  • Multiple cards in a single chassis
  • Programmable data organization to pack two bytes into one PCM word and select which byte is the most significant byte
  • Data packetization modes:
    • Gap intervals in increments of 10ms or 249us w/message length qualification
    • Sync patterns of 3 to 6 bytes in length w/message length qualification
    • Alternating sync patterns of 2 or 3 bytes per pattern
    • PCM format controlled and sync pulse output for external system synchronization
  • Microsoft Windows application software included


  • Aircraft instrumentation
  • Avionics
  • Lab test
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