Plant alarm apparatus and plant alarm method

Details Plant alarm apparatus and plant alarm method Plant alarm apparatus and plant alarm method

2011-08-23

2011-08-23

Raymond, Edward (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system

Performance or efficiency evaluation

Reexamination Certificate

active

08005646

ABSTRACT:
A plant alarm apparatus has: plant data input means for periodically taking in plant data; a latest plant data value table for temporarily storing latest values of the plant data; plant data recording means for taking out the latest values of the data of the latest plant data value table and storing them in a plant history data table; alarm-triggering value alteration means for updating the points for detecting plant abnormality in an alarm-triggering value registration table in response to a request by an operator; alarm-triggering condition editing means for registering alarm-triggering conditions of points showing a foretoken of abnormality; deviation-from-limit-value determining means for reading the stored values of the alarm-triggering value registration table and the alarm-triggering condition table and comparing the limit values of the points for detecting abnormality; and alarm notification output means for outputting the outcome of the comparison.

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Office Action mailed Feb. 8, 2011, in corresponding Japanese Application Publication No. JP 2007-241823, filed Mar. 10, 2006.

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