Open the UDFB logic and view its instances

Use the
Open instruction logic
 context menu to open a user-defined function block (UDFB) or user-defined function (UDF) that is called by the current program.
When the controller is connected, if the UDFB is called multiple times, a list of instances will be displayed. Select an instance to open it in the language editor.
Prerequisites
  • The controller is online.
To open the UDFB logic and view its instances
  1. Open the program that calls the UDFB.
  2. In the language editor, right-click the UDFB, and then select
    Open instruction logic
    .
    The UDFB is opened in the language editor.
  3. (optional) From the UDFB instance list, select an instance to open it in the language editor.
    UDFB/UDF instance list
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