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DA-682C-UART Series Expansion Modules

UART expansion modules for DA-682C Series computers

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Features and Benefits

  • 8-port RS-232/422/485 software-selectable serial modules with isolation protection


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The DA-682C-UART Series expansion modules include two 8-port RS-232/422/485 modules; one with a DB9 connector and the other with a terminal-block connector. The modules are designed with 2-kV digital isolation, making them suitable for the demands of industrial applications that use serial communication




  • Baudrate

    300 bps to 115.2 kbps

  • Connector

    DN-SP08-I-TB: Terminal block
    DN-SP08-I-DB: DB9 male

  • Data Bits

    5, 6, 7, 8

  • Flow Control

    ADDC® (automatic data direction control) for RS-485, RTS/CTS, XON/XOFF

  • Isolation

    2 kV

  • Parity

    None, Even, Odd, Space, Mark

  • Pull High/Low Resistor for RS-485

    1 kilo-ohm, 150 kilo-ohms

  • Serial Standards


  • Stop Bits

    1, 1.5, 2

  • Surge

    2 kV

  • Terminator for RS-485

    120 ohms

  • RS-422

    Tx+, Tx-, Rx+, Rx-, GND

  • RS-485-2w

    Data+, Data-, GND

  • RS-485-4w

    Tx+, Tx-, Rx+, Rx-, GND

  • RS-232

    TxD, RxD, RTS, CTS, GND

  • Dimensions (without ears)

    213.31 x 95 mm (8.398 x 3.74 in)

  • Weight

    395 g (0.87 lb)

  • Operating Temperature

    -40 to 70°C (-40 to 158°F)

  • Green Product


  • Time

    454,567 hrs

  • Standards

    Telcordia (Bellcore), GB

Support Documents

Name Type Version Release Date
Datasheet for DA-682C-UART Series Expansion Modules
1.2 MB
Datasheet v1.0 Aug 11, 2021 Aug 11, 2021

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