Fill out the table as shown in the following illustration. The variable “Type Selection” is automati
-
cally recognised and placed by GX IEC Developer upon entry of the ‘Address’ but can be input
manually or modified by clicking on the type select arrow in the
Type
field area. When the
Mitsubishi address is entered, the system automatically converts and enters the IEC equivalent.
These are the Global Variables specified for the project.
Find unused variables
NOTE Finding unused variables can only be performed if the project has been built and was not
changed since then. Otherwise a warning message will be displayed.
Building a Project Application Program
Training Manual GX IEC Developer 4 - 11
By using the function
Extra
->
Find Unused Variables
you can find and delete all unused global and local vari
-
ables that are declared but not used in a project. Unused
global and local variables will be detected in the whole
project, excluding the user libraries.
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