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Universal PCI, 32-channel Optically Isolated Digital Input and 32-channel Optically Isolated Digital Open-collector output Board (Current Sinking, NPN type)


Universal PCI, 32-channel Optically Isolated Digital Input and 32-channel Optically Isolated Digital Open-collector output Board (Current Sinking, NPN type)

  Price:  $389.00  

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program applicationThe PISO-P32C32/P32C32U/P32C32U-5V has 32 channels of optically isolated digital inputs and 32 channels of optically isolated digital outputs, arranged into four isolated banks. Each input channel uses a photo-coupler input which allows either internal isolated power supply or external power selected by jumper. Each digital output offers a Darlington transistor. The power supply of the input port may use the external power or the power from the PC side via DC/DC converter. The power supply of the output port should use the external power. The board eliminates ground-loop problems and isolates the host computer from damaging voltages.

The PISO-P32C32U/P32C32U-5V also adds a Card ID switch (version 1.1 or above). Users can set Card ID on a board and recognize the board by the ID via software when using two or more PIO-P32C32U/P32C32U-5V cards in one computer.

The PISO-P32C32/P32C32U/P32C32U-5V supports various OS such as Linux, DOS, Windows 98, Windows 2000, Windows NT, Windows XP 32-Bit, Vista 32-Bit and Windows 7 32-bit.It also provides the DLL and Active X control, and various language sample programs of Turbo C++, Borland c++, Microsoft C++, Visual C++, Borland Delphi, Borland C++ Builder, Visual Basic, C#.NET, Visual Basic.NET and LabVIEW to help users to quickly and easily develop their applications.


  • Support the +5 V PCI bus for PISO-P32C32
  • Support the +3.3/+5 V PCI bus for PISO-P32C32U
  • 32-channel optically isolated digital input
  • 32-channel optically isolated digital output
  • Built-in DC/DC converter with 3000 VDC isolation
  • Card ID function for PISO-P32C32U(Version 1.1 or above)
  • 3750 Vrms photo-isolation protection


  • Factory automation
  • Product test
  • Laboratory automation


  • DOS Lib and TC/BC/MSC sample program (with source codes)
  • DLL and OCX SDK for Windows 95/98/NT/2K.
  • DLL and OCX SDK for 32-bit and 64-bit Windows XP/2003/Vista/7.
  • VB/VC/Delphi/BCB/VB.NET/C#.NET sample programs with source codes are included.
  • LabVIEW toolkit for Windows.
  • Driver for Linux.


Digital Input
Isolation Voltage 3750 Vrms (Using external power)
Channels 32
Compatibility Sink or Source, Photo coupler isolated channel with common power or ground
Input Voltage Logic 0: 0 ~ 1 V
Logic 1: 9 ~ 24 V 
(Logic 1: Min. 7 V ; Max. 30 V )
Input Impedance 3 KΩ, 0.5 W
Response Speed 4 kHz (Typical)
Digital Output
Isolation Voltage 3750 Vrms
Channels 32
Compatibility Sink, Open Collector
Output Capability 100 mA/+30 V for one channel @ 100% duty
Response Speed 4 kHz (Typical)
Bus Type 3.3 V/5 V Universal PCI, 32-bit, 33 MHz
Data Bus 8-bit
Card ID Yes(4-bit) for Version 1.1 or above
I/O Connector Female DB37 x 1
40-pin box header x 1
Dimensions (L x W x D) 180 mm x 105 mm x 22 mm
Power Consumption 600 mA @ +5 V
Operating Temperature 0 ~ 60 °C
Storage Temperature -20 ~ 70 °C
Humidity 5 ~ 85% RH, non-condensing

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