NI 9437, 8-Ch 250 VDC Sinking DI Module, Conformal Coated (783393-02)

24 VDC to 250 VDC, 8-Channel (Sinking Input), 1 µs C Series Digital Module
The NI‑9437 is well suited for direct connection in rail and power applications along with a wide array of industrial and automotive switches, transducers, and devices with high-voltage input needs. It features ratiometric thresholds that automatically adjust to 2/3 of the user supply voltage.

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Key product
Input

  • Number of channels ……………………………………8 digital input channels
  • Input type ………………………………………………….Sinking
  • Input current (10 V ≤ VIN ≤ 60 V)
  • Maximum…………………………………………..1.8 mA
  • Minimum …………………………………………..1.3 mA

Power Requirements
Power consumption from chassis

  • Active mode……………………………………….235 mW max
  • Sleep mode…………………………………………40 μW max

Thermal dissipation (at 70 °C)

  • Active mode……………………………………….1.5 W max
  • Sleep mode…………………………………………1.25 W max

Environmental
Refer to the manual for the chassis you are using for more information about meeting these
specifications.
Operating temperature

  • (IEC 60068-2-1, IEC 60068-2-2)………………….-40 °C to 70 °C

Storage temperature

  • (IEC 60068-2-1, IEC 60068-2-2)………………….-40 °C to 85 °C
  • Ingress protection……………………………………….IP 40

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