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National Instruments sbRIO-9425 Board-only sinking digital input module
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National Instruments · NI Single-Board RIO

sbRIO-9425

The NI sbRIO-9425, also described by NI as the NI 9425E, is a board-only module with 32 sinking digital inputs. NI identifies part number 783950-01 as a 24 V module with 7 µs timing in its Single-Board RIO module range.

ManufacturerNational Instruments
ModelsbRIO-9425
Part Number783950-01
Product TypeBoard-only sinking digital input module
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30-Day Warrantystandard coverage
30-Day Returnspolicy applies
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Inputs32 sinking digital channels
Nominal signal voltage24 V
Form factorBoard-only, non-enclosed
Signal connector37-pin D-SUB
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Overview

Product overview

Key product information and technical features.

The sbRIO-9425 belongs to NI's Single-Board RIO module range, which provides non-enclosed versions of C Series modules for embedded system integration. It is a digital input module, not a bidirectional digital I/O module or a PXI Express card.

  • 32-channel sinking digital input architecture.
  • Board-only construction for embedded integration.
  • Simultaneously sampled inputs.
Verified specifications

Technical data

Verified product specifications.

Digital input channels32 channels
Input typeSinking
Update/transfer time7 maximum µs
OFF-state input voltage≤5 relative to COM V
ON-state input voltage≥10 relative to COM; observe input protection limits V
Input voltage protection limit30 maximum for 32 channels; 60 maximum for 8 channels VDC
Operating temperature-40 to 85; local PCB ambient measurement conditions apply °C
Typical electrical specification temperature range-40 to 70 unless otherwise noted °C
Condition & included items

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Condition

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Included

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Compatibility

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National Instruments

Manufacturer

Single-Board RIO

Embedded controller and module platform

sbRIO-9425 / NI 9425E

Board-only digital input module

Compatibility

Supports sourcing-output field devices; observe the manual's wiring and electrical limits.

Install inside a suitable enclosure. Confirm host and software support in the system documentation before integration.
Manuals & software

Technical resources

Manuals, software and technical resources for this model.

sbRIO-9425 Operating Instructions and SpecificationsManual · docs-be.ni.com
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NI Single-Board RIO HardwareOfficial Platform And Part-number Reference · ni.com
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NI 9425E connector pin assignments and wiring instructionsTechnical resource
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Shipping, warranty & returns

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Warranty
30-Day Warranty. Standard coverage applies.
Returns
30-Day Returns. Return policy applies.
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Related products

Alternatives & system components

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sbRIO-9403View product →
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sbRIO-9476View product →
FAQ

Product-specific questions

Product-specific answers based on available technical information.

What part number identifies the sbRIO-9425?

NI lists 783950-01 for the sbRIO-9425 and describes it as the NI 9425E board-only module.

Does this module provide digital outputs?

No. It provides 32 sinking digital inputs.

Which external device types can connect to its inputs?

The manual supports 2-, 3- and 4-wire sourcing-output devices, including open-collector PNP devices, subject to the stated electrical limits.

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