Global Variables You can define global variables in the Application Editor. Global variables are available in all programs. It is only possible to declare global variables on application level. Global variables can be used in a program without declaring them in the declaration grid. All variables not declared in the grid are automatically assumed to be global variables.
Global Variables However, when global variables are used in a function block or control modules, they must be declared as external
Can Global variable be used in a CM No without declaring it?
Variables You can define variables in the Application Editor, Control Modules, Function Blocks or in programs. Unlike Global Variables, Variables are only available in the area where they are defined
Variables However, when variables are used in a Control Modules, Programs or Function Block they must be declared in that specific Control Module, Function Block or Function Block and as variables. Application variables are not the same variables as the variables used in specific places in the applicable application.
Parameter connections online
Parameter connections online
Defined as names Connections defined Parameters Programs Control Modules Function Blocks Connection Linking Global Local
Can Parameters be used in Function Yes Blocks