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PCI-bus 16 Ch High Density Isolated Digital Input US$181.00

PCI-bus 16 Ch High Density Isolated Digital Input


The EX-94232 is 16-CH high-density isolated digital input and 16-CH output product. This I/O card is isolated up-to 5000 Vdc (excluding cables) for channel-to-computer isolation. It protects your computer against damage caused by accidental contact with high external voltage and eliminates troublesome ground loops.

The EX-94232 fully implements the PCI local bus specification Rev 2.1. All bus relative configurations, such as base memory and interrupt assignment, are automatically controlled by BIOS software.


The EX-94232 Isolated digital I/O card provide the following advanced features:

  • 16 Isolated digital Input channels (non-polarity input for EX-94232)
  • 16 Isolated digital output channels
  • High output driving capability, 500mA sink current on isolated output
  • 5000 Vrms high voltage isolation
  • External interrupt signal on DI channels
  • 37-pin D-type connector (Pin compatible to EX-9837)


  • Laboratory and Industrial automation
  • Watchdog timer
  • Event counter
  • Frequency counter and generator
  • Low level pulse generator
  • Time delay


  • Optical Isolated Input Channel
    • Numbers of Channel: 16 digital inputs
    • Input polarity: polarity sensitive for EX-94232, and non-polarity for EX-94232
    • Input Voltage: 0 - 24V dc
    • Logic H: 3~24V
    • Logic L: 0~2.4V
    • Input resistance: 4.7 @ 0.5W
    • Isolated voltage: 5000 Vrms
    • Throughput: 10K Hz (0.1 ms)
  • Optical Isolated Output Channel
    • Numbers of Channel: 16 digital outputs
    • Output type: Darlington transistors with common ground
    • Output voltage: 5VDC min, 90VDC maximum
    • Output Device: ULN2803(common ground)
    • Sink Current: Max. 500mA/ch for only one of the ULN2803 transistor is ON
    • Power Dissipation: 1.47W per ULN2803 device (8 channels)
    • Isolated voltage: 5000 VDC
  • Interrupt Sources
    • Channel 0 and channel 8 of digital input channels
  • General Specifications
    • Connector: 37-pin D-type connector
    • Operating temperature: 0°C ~ 60°C
    • Storage temperature: -20°C ~ 80°C
    • Humidity: 5 ~ 95%, non-condensing
    • Power Consumption: +5V @ 330 mA typical
    • Dimension: 144mm(W) x110mm (H)
  • Programming Library
  • The provided CD includes the function libraries for many different operating systems, including:
    • DOS Library: BorlandC/C++ and Microsoft C++, the functions descriptions are included in this user’s guide.
    • Windows 98/2000/NT/Me/XP DLL: For VB, VC++, BC5, the functions descriptions are included in this user’s guide.
    • Windows 98/2000/NT/Me/XP ActiveX: For Windows’s applications
    • LabVIEW ® Driver: Contains the VIs, which are used to interface with NI’s LabVIEW ® software package. Supporting Windows 95/98/NT/2000.
      The LabVIEW ® drivers are free shipped with the board.
    • InTouch Driver: Contains the InTouch driver which support the Windows 98/2000/NT/XP. The InTouch ® drivers are free shipped with the board. The LabVIEW ® drivers are free shipped with the board.


EX94232 User Manual
EX94232 Drivers

Lead time: 4 business days

This product was added to our catalog on Wednesday 03 September, 2008.


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