National Instruments Rolls Out Three Motion Controller Modules

1/29/2004 - Factory automation engineers and machine builders now can select a National Instruments PXI-735x high-performance motion controller in three new axis configurations. Complementing the original PXI-7358 8-axis version, the PXI-7352, PXI-7354 and PXI-7356 modules offer 2, 4 and 6-axis versions of the stepper or servo motion controller.

With these options, factory automation engineers and machine builders in need of high-performance motion controllers can benefit from more cost-effective motion control setups -- purchasing just the number of axes they require for their applications.

Each PXI-735x module can be programmed using NI LabVIEW, NI LabWindows CVI, NI Measurement Studio for Microsoft Visual Basic, C and C++. The modules also offer additional I/O -- including eight total encoders, 64 bits of discreet I/O and eight 16-bit analog inputs -- which, in some cases, eliminate the need to purchase a separate data acquisition module. For applications requiring hardware-timed acquisition or special signal conditioning, each of the new PXI-735x controllers features powerful triggering capabilities with NI data acquisition modules, triggering at rates more than 1,000 times faster than previous NI 2, 4 and 6-axis controllers.

Engineers also can increase accuracy and reduce the effects of backlash in their applications by using the additional encoders for special dual-axis feedback, assigning two encoders to a single axis and a sense position for two different parts of the system. These advanced capabilities are ideal for applications such as scanning where position-to-measurement correlation is required.

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 for customers worldwide 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 3,000 employees and direct operations in 40 countries. In 2002, the company sold products to more than 25,000 different companies in more than 80 countries around the world. For the past four consecutive years, FORTUNE magazine has named NI one of the 100 best companies to work for in America. Readers may obtain investment information from the company’s investor relations department at (512) 683-5090, by sending e-mail to or on the Web at

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