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Database
Creating a custom rule
Figure 5-79: Example of @ptitude Observer creating custom diagnostic rule.
@ptitude Observer
User Manual, Revision I
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Diagnosis type is the categorization type of this rule.
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Name is a user defined name to use for this rule.
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Title is displayed for all measurement points that implement this particular
diagnosis.
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Unit defines the units in which this diagnosis should be trended.
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Type selects a type of data upon which the calculation is based.
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Calculation
- Rms calculates the Rms value for the selected frequencies.
- Sum calculates the sum of the selected frequencies.
- % of Overall calculates the Rms of the selected frequencies and divides it by
the overall.
- Peaks counts the number of peaks in the selected frequencies.
- Frequency finder finds the highest peak and trends its frequency.
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Noise reduction applies a filter that removes the noise from the spectra before
the calculation begins, if checked.
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Search range performs a search for maximum amplitudes within this range.
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