Safety Considerations Guide, Tricon v9.0 - Tuv-fs.com

xiCONTENTSAbout This Guide .................................................................................................... vHow This Guide Is Organized ........................................................................ vRelated Documents ....................................................................................... viAbbreviations Used ...................................................................................... viiHow to Contact Triconex ............................................................................. viiiRequesting Technical Support ................................................................... viiiGathering Supporting Documentation ...................................................... viiiContacting Triconex Technical Support .................................................... ixFor ESD Systems ............................................................................... ixFor Turbomachinery Systems ............................................................. xTraining ........................................................................................................... xChapter 1 Safety Concepts ........................................................................... 1Safety Overview .............................................................................................. 2Protection Layers ....................................................................................... 3SIS Factors ................................................................................................ 4SIL Factors ................................................................................................. 4Hazard and Risk Analysis .............................................................................. 5Safety Integrity Levels ................................................................................ 6Determining a Safety Integrity Level ................................................... 6Example SIL Calculation ............................................................................ 8Safety Life Cycle Model ........................................................................... 10Safety Standards .......................................................................................... 15General Safety Standards ........................................................................ 15DIN V 19250 ...................................................................................... 15DIN V VDE 0801 ............................................................................... 15IEC 61508, Parts 1–7 ........................................................................ 16ANSI/ISA S84.01 ............................................................................... 16Draft IEC 61511, parts 1–3 ................................................................ 16Application-Specific Standards ................................................................ 17DIN VDE 0116 ................................................................................... 17EN 54, Part 3 ..................................................................................... 17NFPA 72 ............................................................................................ 17NFPA 8501 ........................................................................................ 17Tricon Safety Considerations Guide