FOREWORD
INTRODUCTION
Clause
1 Scope
2 Normative references
3 Definitions and abbreviations
Annex A (informative) Application of IEC 61508-2 and
of IEC 61508-3
A.1 General
A.2 Functional steps in the application of IEC
61508-2
A.3 Functional steps in the application of IEC
61508-3
Annex B (informative) Example technique for evaluating
probabilities of hardware failure
B.1 General
B.2 Average probability of failure on demand (for
low demand mode of operation)
B.3 Probability of failure per hour (for high demand
or continuous mode of operation)
B.4 References
Annex C (informative) Calculation of diagnostic coverage
and safe failure fraction: worked example
Annex D (informative) A methodology for quantifying the
effect of hardware-related common clause failures
in E/E/PE systems
D.1 General
D.2 Brief overview
D.3 Scope of the methodology
D.4 Points taken into account in the methodology
D.5 Using the beta-factor to calculate the probability
of failure in an E/E/PE safety-related system due
to common cause failures
D.6 Using the tables to estimate beta
D.7 Examples of the use of the methodology
D.8 References
Annex E (informative) Example applications of software
safety integrity tables of IEC 61508-3
E.1 General
E.2 Example for safety integrity level 2
E.3 Example for safety integrity level 3
Bibliography