If you have changed the MPI or PROFIBUS protocol settings, you can reset them to the defaults.
Requirement
The interface is not assigned to a subnet. If you assign a subnet in the properties of the interface, the settings for the subnet in the project take precedence. In this case, the interface configuration cannot be reset to the default values.
Procedure
To restore the MPI or PROFIBUS configuration to the default settings, follow these steps:
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Select the MPI/PROFIBUS interface in the project tree in "Online access".
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Select the "Properties" command in the shortcut menu of the interface.
The dialog for configuring the interface opens.
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Select "Configurations > MPI" or "Configurations > PROFIBUS", depending on the interface properties you want to reset.
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Click the "Standard" button to reset all the settings.