National Instruments NI 9421 NI-9421 PLC CONTROLLER MODULE

National Instruments NI 9201 194922A-01L PLC MODULE

National Instruments NI 9403 DSub cRIO 32 Channel TTL digital IO module Dsub37

National Instruments NI-9211 4 input, Thermocouple input module

National Instruments NI 9472 NI-9472 PLC CONTROLLER MODULE

National Instruments NI 9977 cRIO slot filler - custom module

National Instruments NI 9402 4 x Digital I/O module C series -Used

National Instruments NI 9923 D37 breakout connector for D-sub cRIO cDAQ Modules