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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:
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Block: If it is a function block,
you must specify the name of a valid declared instance of the
corresponding type. |
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Variable: Must be attached to a
declared variable. Alternatively, a variable box may contain the
text of a valid constant expression. |
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Label: Must have a name. The name
must be unique within the diagram. |
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Jump: must have the same name as
its destination label. |
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Contact: Must be attached to a
declared Boolean variable. |
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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.