An automation system 1, and a method for accessing the functionality of hardware components H1 . . . Hn of the automation system. Hardware components are connected by at least one bus system B1 . . . B3, and at least one hardware component contains a system connection unit 5. The system connection unit...http://www.google.com.au/patents/US6625664?utm_source=gb-gplus-sharePatent US6625664 - Automation system to access functionality of hardware components with each hardware component having system connection unit with function objects representing real functionality of components
