National Instruments NI PXI-6509 Industrial Digital I/O Card Module

National Instruments PXI-6509 Digital I/O 190246D-01L Please see pictures

National Instruments NI PXI-6509 Industrial Digital I/O Card Circuit Board

National Instruments PXI-6509 NI DAQ Card

National Instruments PXI-6527 NI DAQ Card, Isolated Digital I/O, Relays

NEW National Instruments PXI-6509 778858-01 new in box

National Intruments PXI-6509 NI DAQ Card