Shadow function block interface for use in a process control network
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United States of America Patent
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Apr 14, 2009
Grant Date -
Oct 28, 2004
app pub date -
May 18, 2004
filing date -
Sep 10, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A process control routine may include a first internal function block for executing a control operation based on an input signal and an information conduit communicatively connected to the first internal function block. The information conduit may have an output adapted to provide the input signal to the first internal function block. The process control routine may further include an external function block communicatively connected to the information conduit and adapted to generate the input signal such that the output signal is directly provided to the information conduit prior to the execution of the control operation.
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