DESCRIPTION
The full course on Safety Instrumented Systems (SIS) and Emergency Shutdown (ESD), in accordance with the IEC 61511 and IEC 61508 standards and boiler/gas turbine control safety instrumented systems, consists of 19 training modules. This document refers to the 19th training module only, which is a compilation of FAQs:
1. What is a SIS?
2. What is a SIF?
3. What is SIL?
4. What does functional safety mean?
5. Why were the ANSI/ISA 84, IEC 61508, and IEC 61511 standards developed?
6. When do I need a SIF or a SIS?
7. What is a proof-test interval?
8. What is a Process Hazard Analysis (PHA) and who conducts this?
9. What voting configurations are required for each SIL level?
10. Will a SIL rated system require increased maintenance?
11. Can a F&G system be a SIF or SIS?
12. What is SIL 4?
13. Can an individual product be SIL rated?
14. What are the process plant requirements for devices used in SIS loops when IEC 61508 is applied?
15. What type of communication buses or protocols are applicable for SIL 2 or SIL 3 systems?
16. Can a field mounted device be SIL approved by T
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Source: Best Practices in IEC 61511 PowerPoint Slides: SIS & ESD (IEC 61511, 61508) Training - FAQs PowerPoint (PPT) Presentation, XRS Consulting Engineers
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Complete SIS & ESD (IEC 61511, 61508) Course
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