6. Function blocks
6.3 UF - User function block
This function makes it possible to replace a user function block that is being used in
the project with a different user function block with an identical "Interface" con-
figuration.
In order for this menu option to be available, a user function block call must be selec-
ted and the user function block must not be open for editing.
If there are any user function blocks with an "Interface" configuration that matches
that of the selected function block and the latter is not open for editing, the "Replace
user function block" dialog box will appear and the user function blocks that can be
selected as replacements will be shown as a list in a pane.
You can then use the "Replace area" section to specify which user function block
calls should be replaced:
l
The selected user function block only
l
All instances of the selected user function block in the current program
l
All instances of the user function block in all programs
Clicking on the "Replace" button will replace the original user function block instance
(s), i.e., the calls, contacts, and coils for the original user function block will be
replaced with the selected user function block.
If there are no user function blocks with an "Interface" configuration that matches
that of the selected function block available, or if they are open for editing, the fol-
lowing message will appear:
"There are no user function blocks that are suitable as a replacement, or they are cur-
rently open for editing."
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