64 channels of digital I/O

Eight 8-bit ports of directly addressable bi-directional I/O

Bit-by-bit programmable for input or output

I/O buffers can be enabled/disabled under program control

Compatible with industry standard I/O racks from Opto-22, Western Reserve Controls, DuTec, Gordos, Potter & Brumfield, etc

User selectable to occupy any eight consecutive I/O addresses.

Control and I/O ports separately addressable to allow I/O ports for multiple cards to occupy consecutive addresses

Four inputs may be directed to hardware interrupts