View unused variables

The unused variable browser lists the user-defined variables created in a
FactoryTalk Design Workbench
 project or controller programs that are not assigned to any controller program.
Unused variables for password-protected programs are not listed.
To view unused variables
  2. In the cross-reference browser, select
    Unused variables
    .
    The unused variable browser opens, showing the following information:
    Unused variable parameters
    Column
    Description
    Name
    The name of the unused variable
    Data Type
    The data type of the unused variable
    Device
    The device in which the unused variable exists
    Container
    The name of the Program Organization Unit (POU) that contains the variable
    For unused variables, the
    Container
     box is empty.
  3. (optional) Select
    Refresh
     to update the unused variable list.
  4. (optional) Select
    Delete unused variables
     to delete the unused variables from the programs or all the POUs.
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