|Press this button or press ESCAPE before any selection.|
To select the name of the declared variable to be attached to a graphic symbol, you must be in Selection mode. Simply double click on the tag name gray area. The following types of object must be linked to valid symbols:
|Block: If it is a function block,
you must specify the name of a valid declared instance of the
|Variable: Must be attached to a
declared variable. Alternatively, a variable box may contain the
text of a valid constant expression.
|Label: Must have a name. The name
must be unique within the diagram.
Jump: must have the same name as
its destination label.
|Contact: Must be attached to a
declared Boolean variable.
|Coil: Must be attached to a declared Boolean variable.|
Symbols of variables and instances are selected using the variable list, that can be used as the variable editor. You can simply enter a symbol or constant expression in the edit box and press OK. You also can select a name in the list of declared object, or declare a new variable by pressing the Create button.