Title :
Analysis of Ethernet-based safe automation networks according to IEC 61508
Author :
Elia, Alberto ; Ferrarini, Luca ; Veber, Carlo
Author_Institution :
Dipt. di Elettronica e Informazione, Politecnico di Milano, Milan
Abstract :
Most applications in industrial automation could be hazardous for people, plant and environment. Therefore it is necessary for related distributed control systems, implementing safety functions for such applications, to rely on a real-time and fault tolerant communication among all connected stations. To realise this objective, safety related networks should be realised using Ethernet-based protocols with additional layers involved to fulfill safety requisites. The paper investigates the state of art technology of Ethernet-based safe communication systems with special attention to functional safety network requirements defined by the IEC 61508, pointing out the problems and examining how these communication protocols satisfy the defined requirements.
Keywords :
IEC standards; distributed control; industrial control; local area networks; production engineering computing; protocols; safety systems; Ethernet-based protocols; Ethernet-based safe automation networks; IEC 61508; communication protocols; distributed control system; fault tolerant communication; functional safety network requirement; industrial automation; real-time communication; safety functions; Art; Automation; Distributed control; Electrical equipment industry; Fault tolerant systems; IEC standards; Paper technology; Protocols; Real time systems; Safety;
Conference_Titel :
Emerging Technologies and Factory Automation, 2006. ETFA '06. IEEE Conference on
Conference_Location :
Prague
Print_ISBN :
0-7803-9758-4
DOI :
10.1109/ETFA.2006.355419
