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PXI Systems Alliance

Build modular test systems with PXI.

The Alliance overseeing the world's leading standard for modular instrumentation.

Why PXI? →
PXIe CHASSIS & MODULES
PXI Express chassis and modules from multiple PXISA member vendors
18-slot · Multi-vendor
53
Member companies
30 +
Listed products
28 yrs
Active stewardship
100,000
Test systems

Latest News

The latest news from the Alliance — specification updates, announcements, and developments from across the PXI ecosystem.
ARTICLE

NI PXI eBook

A deep-dive introduction to PXI and modular test.

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ARTICLE

PXImate by Pickering

Pickering’s practical PXI guide for test engineers.

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NEWSLETTER

Fundamentals of Building a Test System: Hardware and Measurement Abstraction Layers

How Hardware Abstraction Layers and Measurement Abstraction Layers let test code outlive any single instrument generation.

Read article →
View all news & events →
Members

A multi-vendor alliance.

Member companies span sponsor, executive, and associate tiers — building, shipping, and supporting PXI hardware and software worldwide.
Ampro ADLINK Technology Inc. Ampro ADLINK Technology Inc.
Keysight Technologies Keysight Technologies
Marvin Test Solutions, Inc Marvin Test Solutions, Inc
National Instruments National Instruments
Pickering Interfaces Pickering Interfaces
Teradyne Inc.
SPONSOR MEMBERS SHOWN
View the full members directory
Member Products

Browse the PXI ecosystem by category.

Member companies offer products across every layer of a PXI system — from chassis and controllers to instrument modules, switching, and cabling.
Analog I/O
6 vendors
Battery Simulators
2 vendors
Chassis
9 vendors
Comparators
2 vendors
Controllers
8 vendors
Digital I/O
9 vendors
Digital Multimeters
5 vendors
Digital Pattern Instruments
8 vendors
Digitizers
3 vendors
Electronic Loads
1 vendor
Fault Insertion
1 vendor
Frame Grabbers
2 vendors
High-Speed Serial
2 vendors
Industrial Communications
3 vendors
Instrument
0 vendors
LCR Meters
1 vendor
Mass Interconnect
1 vendor
Multifunction I/O
3 vendors
Oscilloscopes
5 vendors
Programmable Power Supplies
5 vendors
Reconfigurable FPGAs
3 vendors
Resistor Modules
1 vendor
RF Instruments
1 vendor
Sensor Simulators
1 vendor
Sound and Vibration
2 vendors
Source Measure Units
6 vendors
Switching
4 vendors
Vector Signal Analyzers
1 vendor
Vector Signal Generators
1 vendor
Vector Signal Transceivers
2 vendors
Waveform Generators
7 vendors
Specifications

The published PXI specifications.

The Alliance maintains a family of hardware and software specifications governing PXI and PXI Express systems. Each is publicly available and updated by member working groups.
Document
Title
Revision
Date
PXI-1
Hardware Specification
2.3
Sep 22, 2014
PXI-2
Software Specification
2.4
Sep 22, 2014
PXI-4
Module Description File Specification
1.2
May 31, 2018
PXI-5
PXI Express Hardware Specification
2.0
Aug 18, 2014
PXI-6
PXI Express Software Specification
1.4
Mar 20, 2020
View all specifications →
Join the Alliance

Become a member.

Companies that build, integrate, or use PXI can join at the sponsor, executive, or associate tier and participate in the working groups that maintain the standard.

How to become a member → Why join