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Boards are made for displacement measurements

An United Electronic Industries product story
Edited by the Engineeringtalk editorial team Aug 14, 2008

Each board has four fully isolated LVDT/RVDT channels with independent A/D convertors, and each channel offers 16bit resolution, 0.1% accuracy, and scan rates up to 500Hz.

United Electronic Industries has a new line of LVDT/RVDT interface boards, available in two models - one for use with UEI's popular PowerDNA Cube and another for rack-mounting in a PowerDNR Racktangle chassis.

Multiple operating modes ensure compatibility with all standard sensor wiring and excitation configurations, making the boards suitable for a very wide range of linear and rotational motion applications.

Each board has four fully isolated LVDT/RVDT channels with independent A/D convertors, and each channel offers 16bit resolution, 0.1% accuracy, and scan rates up to 500Hz.

A key feature of the new boards is the ability to operate either as an LVDT/RVDT input interface or as a simulation output device - on a per channel basis.

Each of the four channels may be configured either as an LVDT/RVDT input interface with either internal or external excitation or as an LVDT/RVDT simulator output with external excitation.

Each simulated output may be used as a software-controlled input stimulus for an avionics test system or flight simulator.

Each channel may be configured to output a 100Hz to 5kHz programmable excitation voltage to the primary of an LVDT/RVDT device or alternatively as the simulated output voltage from the secondary of an LVDT/RVDT.

In simulator mode, the board uses a software-defined value as the position input for a simulated device.

The DNx-AI-254 is fully supported by UEI's comprehensive software suite, which includes factory written support for all popular operating systems (eg Windows, Linux, VxWorks), programming languages (eg C, C# and VB.NET) and application packages such as LabView, Matlab, and DasyLab.

"The ability of the new AI-254 to operate either as an LVDT/RVDT input interface or as a simulated output is a first in the industry, which opens up a whole new range of applications", said UEI President Shaun Miller.

"In addition to the exceptional performance of the new board, no other vendor offers the flexibility of UEI's Cube and Racktangle form factors and Ethernet slave, data logger, programmable automation controller, or Simulink target deployment options".

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