Add a function from an exchange file

Import functions previously exported as exchange files (*.txf). Importing exchange files enables reusing functions in different
Trusted®
projects.
TIP: Importing a program, function, or function block imports its logic, local variables, local defined words, and description. Program, function, and function block comments, Diary files, and Modbus® extended attributes are not imported.
When importing a program organization unit (POU), specify a unique name within the project.
To add a function from an exchange file
  1. In the
    Application View,
     do one of the following:
    • To add a function to the Functions section, right-click
      Functions
      , point to
      Add Functions
      , and then click
      Existing Function...
      .
    • To add a function to a program or function, right-click the existing program or function, point to
      Add
      , and then click
      Existing Function...
      .
      TIP: Alternatively, add an existing function from
      File > Add > Existing Function...
  2. In the
    Select Exchange File
     dialog box, locate the
    Trusted
     exchange file containing the function, and then click
    Open
    . The function is imported into the project.
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