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National Instruments CFP-DI-304 Sinking digital input module
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National Instruments · Compact FieldPoint

CFP-DI-304

The NI CFP-DI-304 is a 32-channel, 24 VDC sinking digital input module for Compact FieldPoint. Module-to-module isolation helps protect the controller or communication interface.

ManufacturerNational Instruments
ModelCFP-DI-304
Product TypeSinking digital input module
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30-Day Warrantystandard coverage
30-Day Returnspolicy applies
Technical Supportmodel & compatibility help
Channels32
Input typeSinking
Nominal signal24 VDC
PlatformCompact FieldPoint
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Overview

Product overview

Key product information and technical features.

The CFP-DI-304 adds digital input channels to a Compact FieldPoint system. NI identifies this model as a sinking-input module, rather than a digital output module.

  • 24 VDC sourcing-device inputs.
  • Channel-state LEDs.
  • Hot-swappable; observe hazardous-location restrictions.
Verified specifications

Technical data

Verified product specifications.

Input voltage0–30 VDC
OFF threshold≤5 V
ON threshold≥10 V
Input impedance30 ±6% kΩ
Continuous isolation250; channel-to-ground and channel-to-backplane, CAT II Vrms
Channel-to-channel isolationNone
Operating temperature−40 to 70 upright; −40 to 65 otherwise °C
Power requirement1 W
Weight193 g
Condition & included items

What the actual unit includes

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Condition

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Included

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Revision

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Compatibility

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National Instruments

Manufacturer

Compact FieldPoint

I/O platform

CFP-DI-304

Digital input module

Mounting

cFP-BP-x backplane

Channels share a common reference; no channel-to-channel isolation.
Manuals & software

Technical resources

Manuals, software and technical resources for this model.

cFP-DI-304 Operating InstructionsOperating Instructions PDF · download.ni.com
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NI cFP-DI-304 Product SupportManufacturer Product Page · ni.com
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Transitioning From Compact FieldPoint to CompactRIOTechnical resource
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Shipping, warranty & returns

Commercial terms

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Shipping
Free Shipping. Full policy terms apply.
Warranty
30-Day Warranty. Standard coverage applies.
Returns
30-Day Returns. Return policy applies.
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Related products

Alternatives & system components

Related model
CFP-CB-1View product →
Related model
CFP-CB-3View product →
Related model
CFP-DI-301View product →

Explore equipment

Compact FieldPoint

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Which connector block exposes all channels?

cFP-CB-1 exposes all 32; cFP-CB-3 exposes only 16.

Are 60 V signals the normal input range?

No. The normal range is 0–30 VDC; 60 VDC protection applies to at most eight channels.

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