Select a widget and click the Data tab. The data configuration menu of the widget appears.
  • Data interface

    The data interface of a selected widget is displayed in the following figure.  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 from the Data Source Type drop-down list, select a database for inquiry.

    Note You must use the corresponding syntax to query the database you selected. DataV has no special handling for database syntax.
  • Data source type and parameter

    Data source type and the corresponding input parameters are displayed in the area outlined in red.

  • Data filters

    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. You can also manually enter the time frequency of round-robin.