Device in a process system for detecting events
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jan 25, 2000
Grant Date -
N/A
app pub date -
Mar 28, 1996
filing date -
Mar 28, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A process device couples to a process control loop. The process device receives process signals. A memory in the process device contains a nominal parameter value and a rule. Computing circuitry calculates a statistical parameter of the process signal and operates on the statistical parameter and the stored nominal value based upon the stored rule and responsively provides an event output based upon the operation. Output circuitry provides an output in response to the event output.
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