Field device for determining or monitoring a physical or chemical, process variable
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United States of America Patent
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Aug 1, 2017
Grant Date -
Jan 5, 2012
app pub date -
Jul 1, 2011
filing date -
Jul 5, 2010
priority date (Note) -
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Abstract
A field device for determining or monitoring a physical or chemical, process variable, comprising: a sensor, which works according to a defined measuring principle; and a control/evaluation unit. The control/evaluation unit is realized on a partially dynamically reconfigurable FPGA component, which is constructed from a plurality of FPGA blocks units. Each FPGA block unit comprises a plurality of logic blocks. Global resources or global function blocks are associated with each FPGA block unit or groups of FPGA block units. At least a first section and a second section are provided on the FPGA-component. The sections comprise FPGA block units and corresponding global resources global function blocks. In each section a digital measuring path comprising a plurality of software based and/or hardware based, function modules, is partially dynamically reconfigurable.
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