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Valve Health (DTM)
The Valve Health tab within the Online Diagnostic menu provides real time, read only
access to the KPI data. Users can select specific current, hourly, daily, or weekly data
points, and display the numerical values for each KPI recorded at that time. Online valve
signatures are available for analysis, along with a live trend for comparison against the
calculated KPIs. Values are automatically color coded for easy identification of out of spec
data.
This interface is best used to request most recent data for analysis, or to pull up specific
historical values for investigation.
Historical Trend (DTM):
A Historical Trend view is also available for each KPI. Trending the data is useful when
looking at KPI performance over time, and can help identify long term drift, oscillations, or
step changes over a specific time period. By Selecting “Sync with Device”, the KPI data
will be downloaded from the device to the DTM database. Data will always be appended
to the DTM database, so sync’ing often will build out a very detailed database within the
DTM.
