PROFINET I/O Network Analyzer

This chapter describes PROFINET I/O network analyzer that was created as an open project realized in Institute of Informatics, Silesian University of Technology within cooperation with University of Applied Sciences Ingolstadt. Authors provide description of a PROFINET I/O analyzer idea which was based on joined analysis operation modes: active industrial network structure scanning and passive listening to a real-time communication. The base information about industrial PROFINET I/O structure, communication protocol and the core structure of realized network analyzer are presented also.