NOTICE
This kind of forcing uses a data breakpoint internally and is therefore different from forcing with the “Force Values” command or [F7].
Values that were forced by the command “Force FB Input” do not respond to the commands “Show All Forces” or “Unforce Values”.
Function: The command opens the “Force Value” dialog to force the selected input of a function block. Forcing can be canceled with the same command and dialog.
Call:
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CFC
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Context menu
Requirements:
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The CFC editor is in online mode and the input of the function block is selected.
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For compiler versions 3.5.11.x and 3.5.12.x, the "forceability" of the function block is enabled by the “Prepare Box for Forcing” command.
In the “Force Value” dialog, you can either specify a value that the input of the function block should be forced, or remove the currently forced value.
After forcing, the input is highlighted in green again. Boolean inputs get a small monitoring view with the forced value. The forced value is displayed in the “Value” column of monitoring views (in the declaration part of the POU or in a watch list).
Dialog 'Force Value'
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“Expression” |
Name of the function block input. Example: |
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“Type” |
Data type of the input |
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“Set a new value to force” |
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“Remove value” |
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: You can specify a new value in the input field. The format has to correspond to
the data type. See also
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