Reference Type Instance

The reference type is used to create references to EDT, DDT and Device DDT variables.

Creating a Reference to a Variable

Creating a reference type instance:

Step

Action

1

Select the Variables tab in the Data Editor.

2

Double-click on an empty cell Name (marked with an arrow) and enter the name of the instance. Enter a comment (optional).

3
Double-click on the corresponding Type field and click
.

The Data Editor: Variable Type Selection dialog opens.

4

Click the REF_TO checkbox.

5

Enable the EDT, DDT or Device DDT checkbox.

6

Select the desired type in the Name column and confirm with OK.

7

Fill out the Value column to initialize the variable by typing the name of the variable to be referenced.

Example of the Data Editor with a reference to a variable: