Functional Safety—Safety Integrity Level (SIL) and Performance Level (PL)
Basic Knowledge on Safety Integrity Level (SIL) and Performance Level (PL)
Technical equipment can pose a safety risk so dangerous that people should not be exposed to the equipment. In such cases, the relevant risks must be reduced to meet the need for safe operation. It must be possible to quantify (and measure) risk reduction in order to satisfy this requirement.
These pages give you an overview of the standards and methods that are being applied to achieve safe operation status of plants and machines. Gain insights into the Safety Integrity Level (SIL) as well as the Performance Level (PL) and browse components for your application in our safety product selector. Helpful tools and additional literature round out our offer.
Products, Tools, Literature
An assessment of a safety relevant system is performed easier if the risk of failure of the relevant components is already known. For that purpose, Pepperl+Fuchs offers a large number of products with a SIL/PL assessment. Use our selection tool to quickly find the SIL/PL assessed device that you are looking for.
Download our free PDF compendium on Functional Safety and learn more about the specific standards and methods of risk reduction. We also show you how to implement safety equipment and provide you with a helpful glossary for your daily work.
Calculate failure probabilities quickly and easily on our website! Simply type in your parameters, and our free tool does the work for you. All relevant formulas are stored directly in our system. Choose between a PFD calculation in accordance with VDI/VDE 2180 and EN 61508 or a PFH calculation according to EN 61508.
The free SIL poster provides you with a quick overview of functional safety in process engineering. It shows you how to define the required risk reduction, how to implement it, and how to design and plan the safety life cycle. Additionally, this PDF contains a glossary.
SISTEMA is a software tool that helps you to calculate the Performance Level (PL) of all safety functions or parts in your plant by offsetting the parameters of all components against one another. Pepperl+Fuchs supports you and offers several libraries which include all important safety parameters for both safety products and standard products.
Several hundred products with a SIL/PL assessment, free tools, and brochures in one place: the "Functional Safety Hub" is your starting point when you have to implement safety functions.
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Pepperl+Fuchs is a leading developer and manufacturer of electronic sensors and components for the global automation market. Continuous innovation, enduring quality, and steady growth have been the foundation of our success for more than 70 years. Pepperl+Fuchs employs 6,300 people worldwide and has manufacturing facilities in Germany, USA, Singapore, Hungary, Indonesia and Vietnam, most of them ISO 9001 certified.