Advantech PCIE-1751 48-ch Digital I/O and 3-ch Counter PCIE Card

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