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Benefits of the USB-PIO to Output, Monitor, Control DIO Signals

  • USB digital-I/O integrated into connector/cable.
  • Space saving and reliable.
  • Optional as mini OEM card.


The USB-PIO features three 8-bit bidirectional ports. The port lines are connected to a 25-pin D-sub female connector. The unique idea of the USB-PIO: The data acquisition system is accomodated in the D-sub connector housing. Not only the size is extra small but also the price.

  • 24 digital channels (TTL/CMOS).
  • 3 ports (8 bit), bidirectional.
  • Up to 500 values/second can be sampled (depending on PC and software).
  • USB bus-powered.
  • Compact D-sub plug housing - DAQ system is accomodated in the 25-pin D-sub connector housing.
  • Also available as OEM version in 40-pin DIL IC design.

Model Overview

Model Digital-I/O Interface Design and size (mm)
USB-PIO (-STD/standard version) 24 (3x 8 bit ports), CMOS/TTL USB 2.0 fullspeed Accomodated in the 25-pin D-sub connector housing; 53 x 44 x 16, USB cable approx. 1.1 m. Protection type IP30
USB-PIO-OEM 24 (3x 8 bit ports), CMOS/TTL USB 2.0 fullspeed OEM module, 40-pin DIL IC; 51 x 18 x 10

Software: ActiveX Controls LIBADX (Hardware-independent) for programming with Windows XP/7/8/10; LIBAD4 SDK for C/C++ programming with Windows XP/7/8/10, Mac OS X, Unix (FreeBSD, Linux); measurement programm NextView4 fully functional 30-day trial.
Optional: NextView4 professional software (versions: Professional, Lite) for the acquisition and analysis of measurement data with Windows XP/7/8/10.

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