Hardy Easy 8 - Manual (Page 5)

3. After double clicking your controller, a new project will open in the Project Organizer
window.
4. Right click on the Micro830 and select to import an exchange file.
5. Select IMPORT EXCHANGE FILE and navigate to the EASY 8 FUNCTION BLOCK file.
(download: http://www.hardyinst.com/process_weighing/plc+plug-in+modules/easy+8%99+series+weigh+scale+module )
Select ALL or just the function blocks required for your project.
In the example below, Weight and Zero function blocks were selected.
If you find you wish to add function blocks to a project, import them later in the same way.