IEC 61508-6: 1997 Functional safety of electrical/electronic/programmable electronic safety-related systems. Part 6: Guidelines on the application of parts 2 and 3

The International Electrotechnical Commission (IEC). Version 4.0 05/12/97. 79 p. This part contains information and guidelines on parts 2 and 3.
— Annex A gives a brief overview of the requirements of parts 2 and 3 and sets out the functional steps in their application.
— Annex B gives an example technique for calculating the probabilities of failure and should be read in conjunction with 7.4.4 of part 2 and annex D.
— Annex C gives a worked example of calculating diagnostic coverage and should be read in conjunction with 7.4.4.6 and 7.4.4.7 of part 2.
— Annex D gives a methodology for quantifying the effect of hardware-related common cause failures on the probability of failure.
— Annex E gives worked examples of the application of the software safety integrity tables specified in annex A of part 3 for safety integrity levels 2 and 3.