You open a trend log as a temporary trend chart to view the recorded values graphically. When you close the temporary trend chart, the chart is not saved.
In WorkStation, in the System Tree pane, select the folder or SmartStruxure server where the trend log is located.
Select the trend log you want to open as a temporary trend chart.
On the Actions menu, point to the View submenu and then click In Trend Chart .
The temporary trend chart is displayed in the work area under a generic name.