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Extension of an interface

You can extend interfaces just like function blocks. The interface is then also given the interface methods and interface properties of the basic interface in addition to its own.

Creation of an interface that extends another interface.

  1. In the device tree, select the “Application” object.

  2. Click “Project  Add Object  Interface”.

    The “Add Interface” dialog opens.

  3. Specify a name for the new interface.

  4. Select the “Extends” option and then click the _cds_icon_input_assistent.png button.

  5. The Input Assistant opens.

  6. From the category “Interfaces”, select the interface that is to be extended by the new interface.