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AVEVA™ PI Vision™

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Use calculations to add a symbol to the display

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Use calculations to add a symbol to the display

You may want to view the value of a Calculation directly. You can do this by selecting one of the available symbols and dragging the Calculation directly onto the display.

  1. On the left side of the screen, click Calculations Calculation icon.

  2. Click a symbol from the top bar.

    Symbol gallery

  3. Click a calculation from the list in the Calculations pane.

  4. Click one of the items listed in the Columns pane and drag it onto the display.

    • The Average function calculates the average value over the time range.

    • The Minimum function calculates the minimum value of the expression over the time range.

    • The Maximum function calculates the maximum value of the expression over the time range.

    • The PercentGood function calculates the time-weighted percentage of data with good values during the time range.

    • The PStdDev function calculates the population standard deviation over the time range.

    • The StdDev function calculates the standard deviation over the time range.

    • The Range function calculates the range of values over the time range (Maximum-Minimum).

    • The Total function calculates the time-weighted total of the expression over the time range. Uses the Total Conversion Factor as a basis for the Calculation.

      Calculated display

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