3. Click the [Add] button.
A POU object of the function block will be added.
The POU object is displayed as "FB_ADD (FB)" in the navigator pane.
4. Enter function block processing.
Open the POU object of the function block and create a function block.
In "V
AR_INPUT", declare input variables to the function block.
In "VAR_OUTPUT", declare output variables from the function block.
This completes the function block creation procedure.
6.6 Function and Function Block
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