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