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IOtech DBK80 Manual

16-channel differential voltage input card with excitation output
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Summary of Contents for IOtech DBK80

  • Page 1 sales@artisantg.com artisantg.com (217) 352-9330 | Visit our website - Click HERE...

  • Page 2: Table Of Contents

    256 differential input channels. The card’s unity gain combines with DaqBook, DaqBoard, and LogBook gains to accept full scale inputs from ±156 mV to ±10 V. The DBK80’s expansion channels can be scanned at the maximum 200 kHz rate while maintaining measurement integrity.

  • Page 3: Hardware Setup

    Do not connect the excitation source to a non-isolated, powered circuit. Making such a connection can cause damage to both the DBK80 and to the circuit under test. The excitation source outputs should also be used together, with the “L” of the source providing the ground reference to the connecting circuit.
  • Page 4 A/D converter to digitize. If the source has significant internal impedance the voltage reading will be reduced. DBK Option Cards and Modules DBK80 pg. 3 989494...

  • Page 5: Card Configuration

    Configuration of the DBK80 involves setting the channel address and selecting the excitation output voltage. Up to sixteen DBK80 cards can be attached to a single LogBook or Daq device, providing up to 256 differential input channels. Since multiple cards are connected via a parallel interface, each card must have a unique channel address.

  • Page 6: Daqbook/100 Series & /200 Series And Daqboard [Isa Type] Configuration

    JP2 Location Reference The above figure is of a partial DBK80. JP2 is shown selected to +5VDC. Note that the card’s overlay for JP2’s voltage selection, also depicted in the figure, indicates the jumper positions that are required to select the +5 or +10 VDC excitation output.

  • Page 7: Daqbook/2000 Series And Daqboard/2000 Series Configuration

    DaqBoard/2000 Series board there are Type selections of x1 to x64, representing the internal gain of that board. When using the DBK80 with that board you will have the same Type options, since the DBK80 is always a constant gain of x1.

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