Transcription of Functional Safety – SIL
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Functional Safety – SIL
Functional Safety SILS afety Instrumented Systems in the Process IndustryProducts Solutions ServicesFunctional Safety BASF - Press PhotoFunctional safety2section or rubric Functional Safety has come into focus since the publi-cation of the IEC/EN 61508 and IEC/EN 61511 standards. The term SIL ( Safety integrity level) is used frequently in this context. But what is SIL?This brochure is intended to provide an initial over-view of Functional Safety . The content of the brochure is essentially limited to areas and applications where Endress+Hauser products are in need of more detailed information can find it by looking into the associated literature and the pertinent rules and regulations. Therefore, the information in this brochure should be considered as examples and cannot be used for a specific can find detailed information and SIL certifications for Endress+Hauser products of contents1.
DIN EN 61508 and IEC/DIN EN 61511 standards define four different safety levels that describe the measures for controlling risk in these components. These four safety levels are called safety integrity levels, or SIL. 5. Determining the required SIL The higher the numerical value of the safety integrity level (SIL), the greater the reduction in ...
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