Title: The Output Circuit Solution of the Safety PLC for a Larger Number of Output Points
Authors: Ždánsky, Juraj
Rástočný, Karol
Hrbček, Jozef
Citation: 2021 International Conference on Applied Electronics: Pilsen, 7th – 8th September 2021, Czech Republic, p. 185-189.
Issue Date: 2021
Publisher: University of West Bohemia
Document type: conferenceObject
konferenční příspěvek
URI: http://hdl.handle.net/11025/45591
ISBN: 978–80–261–0972–3 (Print)
978–80–261–0973–0 (Online)
ISSN: 1803–7232 (Print)
1805–9597 (Online)
Keywords: bezpečnostní PLC;SRCS;směna;stykač;SIL
Keywords in different language: safety PLC;SRCS;relay;contactor;SIL
Abstract in different language: Safety PLCs (Programmable Logic Controllers) are commonly a part of the Safety Related Control System (SRCS), especially in industrial applications. In most cases, the controlled devices cannot be connected directly to the safety PLC outputs, but they require an output circuit consisting of relays or contactors. The paper deals with the solution of the output circuit for a larger number of controlled devices and analyzes the influence of selected factors (especially the switching frequency of the used relays) on the Safety Integrity Level (SIL) of the output circuit.
Rights: © University of West Bohemia, 2021
Appears in Collections:Applied Electronics 2021
Applied Electronics 2021

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