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National Instruments NI 9223 C Series Voltage Input Module
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National Instruments · CompactDAQ and CompactRIO

NI 9223

The NI 9223 is a four-channel differential voltage input module with 16-bit resolution and simultaneous sampling up to 1 MS/s per channel. It belongs to the NI C Series for CompactDAQ and CompactRIO systems.

ManufacturerNational Instruments
ModelNI 9223
Part Number781398-01
Product TypeC Series Voltage Input Module
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Inputs4 differential voltage channels
Nominal input range±10 V
Resolution16 bits
SamplingSimultaneous, up to 1 MS/s per channel
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Overview

Product overview

Key product information and technical features.

The NI 9223 acquires voltage signals rather than generating analog outputs. Each channel has an independent signal path and ADC, allowing all four inputs to be sampled simultaneously.

NI identifies ballistics, impact, and blast wave testing as relevant applications. The module can also run at its maximum per-channel sample rate alongside a slower-sampling module in a mixed-measurement system.

  • Independent ADCs preserve the sampling rate on each channel rather than sharing an aggregate rate.
  • Differential inputs support voltage measurements across four channels.
  • 60 VDC CAT I channel-to-channel isolation.
Verified specifications

Technical data

Verified product specifications.

Analog input channels4 differential
Nominal voltage input range±10 V
ADC resolution16 bits
Maximum sample rate per channel1 MS/s
Sampling modeSimultaneous; independent ADC per channel
Front connection for part number 781398-014 screw-terminal connectors
Operating temperature-40 to 70 °C
Condition & included items

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Condition

Confirmed per unit.

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Compatibility

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National Instruments

Manufacturer

CompactDAQ / CompactRIO

Host platforms

NI 9223

C Series voltage acquisition module

Compatibility

NI documents the NI 9223 for CompactDAQ and CompactRIO chassis.

Confirm the exact part number and front connector before selecting signal wiring.
Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI 9223 DatasheetDatasheet · download.ni.com
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NI-9223 Official Product PageProduct Page · ni.com
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C Series Specifications Explained: Simultaneous Sampling and Sample RateTechnical resource
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Shipping, warranty & returns

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Returns
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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Is the NI 9223 an analog output module?

No. It is a four-channel differential voltage input module for acquiring signals.

Is 1 MS/s shared among the four channels?

No. The maximum rate is 1 MS/s per channel. Each channel has its own ADC for simultaneous acquisition.

Which connector corresponds to part number 781398-01?

NI lists 781398-01 as the screw-terminal version. Other NI 9223 part numbers use different front connections.

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