The PIO-D24U/D56U and PEX-D56/D24 cards are the new generation product that ICP DAS provides to meet RoHS compliance requirement and is designed as completely compatible with the PIO-D24/D56. Users can replace the PIO-D24/D56 by the PIO-D24U/D56U and PEX-D24/D56 directly without software/driver modification.

The PIO-D24U/D56U supports 3.3 V/5 V PCI bus, while the PEX-D24/D56 supports PCI Express bus. The PIO-D24U/D56U and PEX-D24/D56 consists of three 8-bit bi-direction ports. The 8-bit ports are named as port A (PA), port B (PB) and port C (PC) respectively. All ports are configured as inputs upon power-up or reset. In addition, the PIO-D56/D56U provides additional 16-bit digital inputs and 16-bit digital outputs.

The PIO-D24U/D56U and PEX-D24/D56 has a Card ID switch with which users can recognize the board by the ID via software when using two or more PIO-D24U/56U and PEX-D24/D56 cards in one computer.

These cards support various OS versions, such as Linux, DOS, Windows 98/NT/2000 and 32/64-bit Windows 7/Vista/XP. DLL and Active X control together with various language sample program based on Turbo C++, Borland c++, Microsoft C++, Visual C++, Borland Delphi, Borland C++ Builder, Visual Basic, C#.NET, Visual Basic.NET and LabVIEW are provided in order to help users to quickly and easily develop their own applications.