PCIE-1751 is a 48-bit digital I/O card for the PCI Express bus. Its 48 channels are divided into six 8-bit I/O ports and users can configure each 4-channel per port (nibble) as input or output via software. PCIE-1751 also provides three 32-bit counters.
PCIE-1751 - 48-ch Digital I/O and 3-ch Counter PCIE Card
Main features
- 48 TTL digital I/O lines
 - Emulates mode 0 of 8255 PPI (every port with nibble)
 - Supports both dry and wet contact
 - Interrupt handling capability
 - Timer/Counter interrupt capability
 - Buffered circuits for higher driving capacity than the 8255
 - Keeps the I/O port setting and DO state after system reset
 - BoardID switch
 - Pattern match interrupt function for DI
 - Change of state interrupt function for DI
 - Programmable digital filter function for DI
 





