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National Instruments · PXI

PXI-6281

Name: PXI-6281
Brand: National Instruments

The National Instruments PXI-6281 is an M Series multifunction data acquisition module with 16 analog inputs at 18-bit resolution, two analog outputs, and 24 digital I/O lines. It also provides two 32-bit counters/timers and analog and digital triggering.

ManufacturerNational Instruments

ModelPXI-6281

Product TypeMultifunction I/O module

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Analog input16 channels, 18-bit resolution

Maximum input sample rate625 kS/s

Analog output2 channels

Digital I/O24 lines

Counters/timersTwo 32-bit counters/timers

Signal connector68-pin VHDCI

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Overview

Product overview

Key product information and technical features.

The PXI-6281 combines analog acquisition, analog output, correlated digital I/O, and counter/timer functions in a PXI module. NI identifies it for laboratory automation, research, design verification, and manufacturing test.

The module uses NI-DAQmx for configuration and measurements. Its 68-pin VHDCI signal connection is covered by NI's 62xx cable and accessory guide, which provides the wiring-accessory selection reference for system integration.

18-bit analog input with 16 input channels.
Two analog output channels for multifunction measurement and control tasks.
24 digital I/O lines with correlated digital I/O capability.
Two 32-bit counters/timers.
Analog and digital triggering.

Verified specifications

Technical data

Verified product specifications.

Analog input channels	16 channels
Analog input resolution	18 bits
Maximum analog input sample rate	625 kS/s
Analog output channels	2 channels
Digital I/O lines	24 lines
Counters/timers	2
Counter/timer resolution	32 bits
Signal connector	68-pin VHDCI

Condition & included items

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Included

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Revision

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Compatibility

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National Instruments

Manufacturer

PXI

Modular instrumentation platform

PXI-6281

M Series multifunction data acquisition module

Driver

NI-DAQmx

Check the module hardware revision, chassis slot requirements, and NI-DAQmx operating-system support before integration.

Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI PXI-6281 Product SupportManufacturer Product Support Page · ni.com

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M Series User ManualUser Manual · docs-be.ni.com

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62xx Models: DAQ Multifunction I/O Cable and Accessory CompatibilityCable And Accessory Compatibility Guide · ni.com

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PXI-6281 Product CertificationsTechnical resource

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Shipping, warranty & returns

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30-Day Warranty. Standard coverage applies.

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Does the PXI-6281 provide analog output?

Yes. The PXI-6281 provides two analog output channels in addition to its analog inputs and digital I/O.

Which signal connector does the PXI-6281 use?

NI lists the PXI-6281 in its 68-pin VHDCI multifunction I/O group. Select cables and terminal blocks using the NI 62xx compatibility guide.

Which driver is associated with the PXI-6281?

NI identifies NI-DAQmx as the driver for configuration and measurements. Check support for the intended driver version and operating system before installation.