Fieldbus Profile Harmonization — Approach of NOAH ESPRIT 26951 Project
The NOAH (Network Oriented Application Harmonization) project harmonizes device profiles of the EN50170 fieldbusses WorldFIP, P-Net and PROFIBUS among others. Within the project a certain subset of field devices are under consideration. The investigations cover transmitter for temperature and pressure, on/off and modulated actuators, simple I/O, motor control centers and variable speed drives. The range of devices shows, that basic device classes with very different scope and functionality are chosen to find fieldbus and profile independent application structures, functions and parameters. The project follows a well defined device model for the harmonization. The common parts of all profiles are presented and the consequences are discussed.
KeywordsNetwork Interface Device Model Application Function Device Status State Chart
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