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32 Channel Optically Isolated Digital Input and 32 Channel Optically Digital Open-Collector Output Board (Current Sourcing). Includes CA-4037B cable and two CA-4002 D-Sub connectors


32 Channel Optically Isolated Digital Input and 32 Channel Optically Digital Open-Collector Output Board (Current Sourcing). Includes CA-4037B cable and two CA-4002 D-Sub connectors

  Price:  $379.00  

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PISO-P32A32The PISO-P32A32/P32A32-5V/P32A32U has 32 channels of optically isolated digital input and 32 channels of optically isolated digital output, arranged into four isolated banks. Each digital output offers a PNP transistor and integral suppression diode for the inductive load. Isolated input channels 0-15 are designed into group A, while channels 16-31 are group B. Isolated output channels are designed into group C and Group D. The photo-coupler input of the PISO-P32A32-5V can be powered by either an internal current source or an external power supply, while the input of the PISO-P32A32/P32A32U works with external power only.

This interface board is easily installed in any PC. The board interface to field logic signals, eliminating ground-loop problems and isolating the host computer from damaging voltages. The PISO-P32A32 has one 37-pin D-Sub connector and one 40-pin male header. The 40-pin to DB-37 flat-cable is used to fix with the case. The user can connect the digital signal through the second D-Sub connector. Each D-Sub connector contains 16 input channels and 16 output channels.

The PISO-P32A32U also adds a Card ID switch. Users can set Card ID on a board and recognize the board by the ID via software when using two or more PISO-P32A32U cards in one computer.

The PISO-P32A32/P32A32-5V/P32A32U supports various OS such as Linux, DOS, Windows 98/NT/2000 and 32-bit/64-bit Windows XP/2003/Vista/7. It also provides the DLL and Active X control, and various language sample programs in 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-P32A32/P32A32-5V
  • Support the +3.3/+5 V PCI bus for PISO-P32A32U
  • 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-P32A32U
  • Four isolated banks
  • 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
D/I Power External
Response Speed 4 kHz (Typical)
Digital Output
Isolation Voltage 3750 Vrms
Channels 32
Compatibility Source, Open Collector
Output Capability 100 mA/+30 V for one channel @ 100% duty
Response Speed 4 kHz (Typical)
Bus Type 5 V PCI, 32-bit, 33 MHz
Data Bus 8-bit
Card ID No
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

References and Support

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