Mitsubishi Electric FATEC MELSEC iQ-R Training Manual page 404

(4) Drag "M+RD77_StartPositioning_00E," and drop it in the ladder editor.
(6) The FB will be inserted into the ladder editor.
From previous page
Drop!
(5) The FB instance name input dialog box appears.
Click!
Go to next page
App-54
Drag!
Select the local label for the instance, input the
instance name, and click the button.
OK