NI Increases Real-Time Performance with New PXI Embedded Controllers

11/18/2004 - National Instruments announced two new PXI real-time controllers for programmable automation controller (PAC) and deterministic data acquisition and control design applications. These new controllers, combined with the NI LabVIEW Real-Time Module, deliver deterministic, real-time processing for the rugged, modular PXI platform.

The NI PXI-8187 RT controller is a high-performance controller with a 2.5 GHz Pentium 4 processor and up to 1 GB of double data rate (DDR) RAM, which delivers faster processing. With the new controller, engineers now can take advantage of the additional processing power for more complex or analysis-intensive applications such as hardware-in-the-loop testing, rapid control prototyping and machine condition monitoring. The new PXI-8187 RT controller increases the performance of real-time PXI applications, which means faster control loops and more analysis in the loop.

The NI PXI-8184 RT controller is a new mid-performance controller with an 850 MHz Celeron processor. The cost-effective PXI-8184 RT controller is better suited for less processor-intensive industrial data acquisition and OEM applications. This controller provides an alternative to high-volume or cost-sensitive applications that require reliable and deterministic real-time processing.

Because both controllers have solid-state drive options, engineers can deploy real-time PXI systems in harsher environments than rotating drives can sustain. LabVIEW Real-Time works with a wide range of PXI and CompactPCI modules through industry-standard virtual instrumentation software architecture (VISA) drivers. For a list of modules with LabVIEW Real-Time drivers, readers can visit, and for more information on NI real-time software and hardware, readers can visit

About National Instruments
National Instruments ( is a technology pioneer and leader in virtual instrumentation a revolutionary concept that has changed the way engineers and scientists approach measurement and automation. Leveraging the PC and its related technologies, virtual instrumentation increases productivity and lowers costs through easy-to-integrate software, such as the NI LabVIEW graphical development environment, and modular hardware, such as PXI modules for data acquisition, instrument control and machine vision. Headquartered in Austin, Texas, NI has more than 3,100 employees and direct operations in 40 countries. In 2003, the company sold products to more than 25,000 companies in 90 countries. For the past five years, FORTUNE magazine named NI one of the 100 best companies to work for in America.

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