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16 Channel Opto-Isolated Digital Input Board


16 Channel Opto-Isolated Digital Input Board

  Price:  $129.00  

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wire diagramThe DB-16P is a 16 channel isolated digital input daughter board for the A-82X board or any 812pg, 711 726, 720 series board, and PCI-Bus Multi-function boards. The optically isolated inputs of the DB-16P consist of a bi-directional OPTO-coupler with a resistor for current sensing. You can use the DB-16P to sense a DC signal from TTL levels up to 24V. You can also use the DB-16P to sense a wide range of AC signals. You can use the board to isolate the computer from large common-mode voltages, ground loops and voltage spikes that often occur in industrial environments.

  • 16 optically isolated digital input channels
  • Connects directly to
    • A-82X boards
    • 812pg series boards
    • 711 series boards
    • 720 series boards
    • 726 series boards
    • PCI Bus Multi-function Boards
  • AC/DC Signal Input
  • AC signal input with filter
  • Input buffer with voltage compactors


  • I/O connector Electrical Specifications:
  • Configuration : 6 optically isolated digital input channels
  • Compatibility : TTL compatible
  • Digital Input :
    Number of channels :16,each with it's own ground reference isolated from other channels
  • Maximum input voltage: 24 VDC or 24 VAC
  • Digital Logic level :
    Input Low voltage : 0V(min) ~ +/-1V (Max)
    Input High voltage: +-2.8V(Vrms) ~ +/- 24V(Max)
  • Input impedance: 1.2k
  • Source Current:
    5V inputs : 4 ma/channel minimum
    24V inputs : 20 ma/channel minimum
  • Response Time :20ms without filter / 2.2ms with filter
  • Power Supplies : +5V@224mA/ maximum
  • Dimension : 205mm x 114 mm
  • Operating Temperature : 0 -60°C
  • Storage Temperature :-20-70°C
  • Humidity : 5% to 90 % noncondensing
  • Power Consumption : 12V /0.53V ; 5V / 0.2A


  • Isolated digital input sensing
  • Energy management
  • Test Automation
  • Process Control

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