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搜尋常見問題
Execution sequence (Scan order) of FBD section in Unity Pro
Issue:
In which order are the function blocks scanned (or execution sequence) in a Unity Pro FBD section?

Product Line:
Programming software

Environment:
Unity Pro

Cause:

Resolution:
The blocks are scanned (or executed) in the following order:
From top left position to bottom right position, with top having priority over left, as shown below (case 1)

img1

If blocks are linked together, the execution order will now follow the flow of the link (case 2)

img2

You can also force the execution sequence by going in the properties of the function block (case 3)

img3

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