Instances and Structures in Rung
In contacts, coils, and function blocks, you can also access internal instance and structure variables, as shown in the following figures.
Figure 1 - Accessing an internal instance variable
Figure 2 - Internal instance variable in the rung
To view internal instance and structure variables, expand the variable in the variables window, as shown in the following figure.
Figure 3 - Displaying internal instance or structure variables