To Generate EC Annotation For OpenPlant Modeler Components

Install OpenPlant Modeler on your machine.

Note: The OpenPlant Modeler and OpenBuildings Designer should be installed on the same machine.

Install the latest OpenBuildings Designer on your machine.
Open the workset level ".cfg" file. For example, BuildingTemplate_US.cfg located at C:\ProgramData\Bentley\OpenBuildings <product_version>\Configuration\WorkSpaces\Building_Examples\worksets\BuildingTemplate_US.cfg and uncomment the following configuration variables under "EC annotation and OpenPlantModeler Piping centerline" and save the file.
Relaunch OpenBuildings Designer.
Open a OpenPlant Modeler dgn file.
Enter the Key-in mdl load Bentley.OpenPlant.ECAnnotation.
The OpenPlant Modeler EC Annotation will now be available under Labels/Text Styles.