Select a widget and click the Data tab. The data configuration menu of the widget appears.
The data interface of a selected widget is displayed in the following figure. If a widget is comprised of multiple data interfaces, you can click an interface title and configure data one by one.
Interface data structure
The following area outlined in red displays the data structure of the selected data interface.
Click the drop-down menu (outlined in red) to see various data source types.
If you select Database, select a database for inquiry.
Data source type and parameter
Data source type and the corresponding input parameters are displayed in the area outlined in red.
Select Data filter to enable the data filter function. You can write programs to implement data structure conversion, filtering, and simple calculations.
Data polling frequency
Select Auto Data Request and manually input the frequency of data polling.