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NI (National Instruments) NI-9422 24 V to 60 V, 8 Channel (Sinking/Sourcing Input), 250 µs C Series Digital Module
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NI (National Instruments) · C Series

NI-9422

The NI-9422 is a C Series digital input module with 8 sinking or sourcing channels for 24 V to 60 V signals and a maximum digital update rate of 250 µs.

ManufacturerNI (National Instruments)
ModelNI-9422
Part Number779522-01
Product Type24 V to 60 V, 8 Channel (Sinking/Sourcing Input), 250 µs C Series Digital Module
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30-Day Returnspolicy applies
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Supported Hardware PlatformC Series
Current Flow DirectionSinking Input, Sourcing Input
Digital I/O Logic Levels12 V, 24 V, 48 V
Digital I/O Isolation250 Vrms Ch-Ch Isolation
Front Connection TypeScrew Terminal
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Overview

Product overview

Key product information and technical features.

The NI-9422, part number 779522-01, is an enclosed C Series module with 8 digital input-only channels. It has no digital output-only or bidirectional channels.

The module accepts 24 V to 60 V digital input signals and supports sinking and sourcing input operation. Differential signaling and 250 Vrms channel-to-channel isolation are specified, with screw terminals for field wiring.

  • 8 dedicated digital input channels.
  • Supports both sinking and sourcing input operation.
  • Maximum digital update rate of 250 µs and maximum clock rate of 4 kHz.
  • Differential signaling with 250 Vrms channel-to-channel isolation.
  • Screw-terminal front connection.
  • Operating temperature range of -40 °C to 70 °C.
Verified specifications

Technical data

Verified product specifications.

Supported Hardware PlatformC Series
Conformal CoatedNo
Current Flow DirectionSinking Input, Sourcing Input
EnclosedYes
Digital I/O Logic Levels12 V, 24 V, 48 V
Digital I/O Isolation250 Vrms Ch-Ch Isolation
Front Connection TypeScrew Terminal
Number of Digital Input Only Channels8
Maximum Digital Update Rate250 µs
Operating Temperature Range-40 °C to 70 °C
Bus ConnectionC Series
Maximum Clock Rate4 kHz
Signaling TypeDifferential
NI part numbers779522-01
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NI

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C Series

Supported Hardware Platform

NI-9422

This product

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Manuals & software

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Letter Of Volatility (NI)Letter Of Volatility · ni.com
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Specifications (NI)Specifications · ni.com
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Dimensional Drawings (NI)Dimensional Drawings · ni.com
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Product Page (NI)Product Page · ni.com
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Shipping, warranty & returns

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

What input voltage range does the NI-9422 support?

The supplied verified product overview specifies 24 V to 60 V digital input signals. Consult the NI-9422 specifications for input thresholds and wiring requirements.

How many digital input channels does the NI-9422 have?

The NI-9422 has 8 digital input-only channels and no digital output-only or bidirectional channels.

Does the NI-9422 support sinking and sourcing inputs?

Yes. The module supports both sinking and sourcing input operation.

What isolation is specified for the NI-9422?

The module provides 250 Vrms channel-to-channel isolation.

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