Add an event to pan to the start time of a trend chart
Add an event to pan to the start time of the trend chart. Create the event for a graphic element that is on the same screen as the trend chart. Performing the event on the HMI device pans to the start time of the trend chart.
To add an event to pan to the start time of a trend charts
- Select the trend chart on the screen.
- In thePropertieswindow, select thePropertiestab.
- Expand theGeneralcategory.
- In theTimeSpanStartbox, select the date and time format.
- Create an event for a graphic element on the screen.
- Add aValue Writecommand to the event.
- In theWrite Tobox of the command, enter the binding using the format TrendChartName.TimeSpanStart.
- In theExpressionbox, type the start time using the same format specified in theTimeSpanStartbox, or bind to a tag with that same date and time format.TIP:Tips:
- Data displaying in real time on the HMI device uses the sample rate of the trend chart.
- Data displaying historical values on the HMI device uses the sample rate of the data log for the project.
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