National Instruments NI 9421 NI-9421 PLC CONTROLLER MODULE

National Instruments NI 9977 cRIO slot filler - custom module

National Instruments NI 9227 cDAQ PLC Analog Current Input Module

National Instruments NI 9375 NI-9375 D-SUB PLC MODULE

National Instruments NI cRIO-9035 8-Slot CompactRIO PLC Controller

National Instruments NI 9201 194922A-01L PLC MODULE

NATIONAL INSTRUMENTS DIGITAL OUTPUT, 19936A-01L - NI9472 (USED)

National Instruments NI PXI-1031