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Digital I/O

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  • Programmable power-up states and digital I/O watchdogs for safe operation in control applications
  • Change detection to trigger a read operation automatically when a digital line changes state
  • Programmable input filters to remove glitches and spikes in electrically noisy environments
  • High-voltage input to PXI trigger or RTSI bus
  • High-reliability industrial feature set at lowest cost
  • 5, 30, and 60 V digital I/O devices with various options for optical isolation

National Instruments industrial digital I/O devices are used in a wide variety of applications from automotive designs, industrial factory automation, and machine control, to aerospace, laboratory research, and biomedical applications. You can connect NI digital I/O devices to limit and proximity switches, photoelectric sensors, level gages, pressure switches, gas detectors, pumps, motors, solid-state relays, electromechanical relays, digital data buses, and more.