PXI Systems Data Acquistion

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PXI Data Acquisition

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Use this modular approach for high-channel-count data acquisition and sensor measurement applications. Systems range from tens to hundreds of channels, mixing and matching measurement functionality and output capabilities.


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Product Features

What is PXI? 

NI PXI systems provide high-performance modular instruments and other I/O modules that feature specialized synchronization and key software features for test and measurement applications from device validation to automated production test. NI is the PXI industry leader, with the broadest array of best-in-class products and services on the market.

pxi system


Key Features: 


NI led the creation of the PXI standards body to create an open standard, so you can augment your NI system with specialty modules from up to 60 other vendors.



NI PXI hardware utilizes the latest technology, incorporating powerful multicore processors, FPGAs, and other technology to increase measurement range and performance



PXI’s architecture makes it possible to synchronize measurements across multiple modules or multiple chassis, so you can add to your systems as requirements change.



PXI offers some of the highest frequency and accuracy specifications, so you can ensure your test systems deliver the production test results you need.


Why Choose PXI?

PXI provides the best approach for validation and production test. You can meet requirements for timing, synchronization, and throughput across all instruments.


Best for

  • High-channel-count test applications  

  • Automated manufacturing production test 

  • Device validation 




PXI-Download Datasheet


System Components

PXI systems are composed of three main hardware components: Chassis, controller, and modules. System software is both reconfigurable and customizable.


NI - system components


The chassis—the PXI system backbone—is comparable to a desktop PC’s mechanical enclosure and motherboard. It provides power, cooling, and a communication bus to the system, and supports multiple instrumentation modules within the same enclosure. PXI uses commercial PC-based PCI and PCI Express bus technology while combining rugged CompactPCI modular packaging, as well as key timing and synchronization features. Chassis range in size from four to 18 slots to fit the needs of any application, whether you require a portable, benchtop, rack-mount, or embedded system.




PXI controllers are either integrated or remote. Integrated controllers contain everything you need to run your PXI system without an external PC, while remote controllers let you control your PXI system from desktops, laptops, or server computers. 




NI offers more than 600 PXI modules that acquire data, trigger and synchronize devices, generate and route signals, and make a variety of measurements ranging from DC to mmWave. Also, the PXI portfolio includes modular instruments—such as oscilloscopes and digital multimeters—that can replace traditional box instruments and with which you can integrate PXI switches in a variety of topologies. Because PXI is an open industry standard, nearly 1,500 products are available from more than 70 different instrument vendors.

  • PXI Multifunction I/O Module
  • PXI Digital I/O Module
  • Device for PXI Remote Control
  • PXI Digital Multimeter
  • PXI Remote Control Module
  • PXI Serial Interface Module




Build systems faster with NI’s extensive software portfolio. Take quick interactive measurements with InstrumentStudio™ software, use VeriStand for HIL testers, or build validation and production testers using TestStand test management software and the LabVIEW programming environment. Get the scalability and flexibility you need to build software-connected testers based on PXI that simplify test development and reduce long-term maintenance.


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