Diagnostika komunikační sítě PROFIBUS DP v rozsáhlém řídicím systému technologického procesu

Abstract

This thesis deals with diagnostics of PROFIBUS DP industrial network. It describes PROFIBUS DP technology, its protocol, possibilities and installation rules. It contains description of the possibilities and use of modern diagnostic devices, mentions some typical problems and mistakes are described and shows the way how to recognize and diagnose them with these devices. As an example and demonstration of usage, measurment on an older problematic control system of cement plant is performed.