NI 9421

Overview

NI 9421
  • 8-channel, 100 µs digital input
  • 24 V logic, sinking digital input
  • Compatible with NI CompactDAQ counters
  • 60 VDC, CAT I (D-SUB) or 250 Vrms, CAT II (screw terminal) isolation
  • 25-pin D-SUB or 10-position screw-terminal connectors available
  • -40 °C to 70 °C operating, 5 g vibration, 50 g shock
  • Information based on current version

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Additional Resources

Data Sheet

Data Sheet for NI 9421

Certification

National Instruments (NI) products comply with the applicable International requirements for product safety, electromagnetic compatibility (EMC), hazardous locations, marine, RoHS, and quality. Look for the marks on the product label for verification of certification.

NI-9421 Product Certifications
NI-9421 Product Certifications
NI-9421 Product Certifications
NI-9421 Product Certifications
NI-9421 Product Certifications

Dimensional Drawings

NI-9421 Dimensional Drawings
NI-9421 Dimensional Drawings
NI-9421 Dimensional Drawings
NI-9421 Dimensional Drawings
NI-9421 Dimensional Drawings


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