Mitsubishi Electric MELSEC Q Series Programming Manual page 70

4 ST PROGRAM EXPRESSIONS
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REFERENCE
To make label declaration for the input, I/O and output variables of FB ...
GX Developer start
FB label setting screen
The following example shows the FB input/output variable label setting made on the
FB label setting screen.
To make label declaration for the FB data name ...
Before an FB is called, the label declaration of the used FB must be made.
Local (or global) variable setting screen
The following example shows the FB label definition made on the local variable
setting screen.
[Open project] Click the FB tab
Double-click Header icon
Double-click Header icon
Add new FB
Select FB in Device type.
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