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Conference Papers Year : 2018

Standard devices vs IEC 61508 SIL safety devices Integration in process industry

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Abstract

In process industries like in other sectors, two mains systems are working together. - The control system and, - The safety system If the requirements for the control system are mostly based on the performance of the devices (sensors PLC and actuators) in terms of computation, response time that depends mostly to the process, the answer for the safety is mostly based on requirements defined in IEC 61511 standard that defines the application of IEC 61508 for the process industry. According to IEC 61511, for the realization of the safety function, end user can reach the requirements of IEC 61511 by: - Using PRIOR USE HARDWARE DEVICES or by - Using HARDWARE DEVELOPED AND ASSESSED ACCORDING TO IEC 61508 with for software some limitations. Because standard devices do not always comply with all requirements for safety applications in terms of : architecture, EMC levels, self tests and functional tests, this article will focus on the additional requirements end users have to take into account to comply the IEC 61508 / IEC 61511 requirements and will give them the keys to select and choose the adapted and compliant devices. This article will focus on sensor through the case of a radar....
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ineris-01863862 , version 1 (29-08-2018)

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  • HAL Id : ineris-01863862 , version 1

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Eric Fae, Fabrice Marcel. Standard devices vs IEC 61508 SIL safety devices Integration in process industry. 15. PCIC Europe Annual Electrical and Automation Knowledge Sharing Event, Jun 2018, Antwerp, Belgium. pp.199-207. ⟨ineris-01863862⟩

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