Title :
Influence of redundancy on safety integrity of SRCS with safety PLC
Author :
Zdansky, Juraj ; Rastocny, Karol
Author_Institution :
Dept. of Control & Inf. Syst., Univ. of Zilina, Zilina, Slovakia
Abstract :
Safety PLCs (Programmable Logic Controller) are one of the appropriate tools for implementation of safety-related control system (SRCS). Their modular construction allows implementation not only control systems of defined safety integrity level (SIL), but even redundant control systems with defined availability. The contribution considers influence of redundant architectures on safety integrity of SRCS with safety PLC.
Keywords :
programmable controllers; redundancy; safety systems; SIL; SRCS; modular construction; programmable logic controller; redundancy; redundant architectures; redundant control systems; safety PLC; safety integrity level; safety-related control system; Computer architecture; IEC standards; Redundancy; Safety; SRCS; probability of failure state; redundancy; safety PLC; safety integrity level;
Conference_Titel :
ELEKTRO, 2014
Conference_Location :
Rajecke Teplice
Print_ISBN :
978-1-4799-3720-2
DOI :
10.1109/ELEKTRO.2014.6848947