BS IEC 61508-7 : 2000 AMD 13785
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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FUNCTIONAL SAFETY OF ELECTRICAL/ELECTRONIC/PROGRAMMABLE ELECTRONIC SAFETY-RELATED SYSTEMS - PART 7: OVERVIEW OF TECHNIQUES AND MEASURES
15-03-2002
23-11-2012
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Definitions and abbreviations
Annex A (informative) overview of techniques and measures for
E/E/PES: control of random hardware
failures (see IEC 61508-2)
A.1 - Electrical
A.2 - Electronic
A.3 - Processing units
A.4 - Invariable memory ranges
A.5 - Variable memory ranges
A.6 - I/O-units and interfaces (external communication)
A.7 - Data paths (internal communication)
A.8 - Power supply
A.9 - Temporal and logical program sequence monitoring
A.10 - Ventilation and heating
A.11 - Communication and mass-storage
A.12 - Sensors
A.13 - Final elements (actuators)
A.14 - Measures against the physical environment
Annex B (informative) Overview of techniques and measures for
E/E/PES: avoidance of systematic
failures (see IEC 61508-2 and IEC
61508-3)
B.1 - General measures and techniques
B.2 - E/E/PES safety requirements specification
B.3 - E/E/PES design and development
B.4 - E/E/PES operation and maintenance procedures
B.5 - E/E/PES integration
B.6 - E/E/PES safety validation
Annex C (informative) Overview of techniques and measures for
achieving software safety integrity
(see IEC 61508-3)
C.1 - General
C.2 - Requirements and detailed design
C.3 - Architecture design
C.4 - Development tools and programming languages
C.5 - Verification and modification
C.6 - Functional safety assessment
Annex D (informative) A probabilistic approach to determining
software safety integrity for pre-
developed software
D.1 - General
D.2 - Statistical testing formulae and examples of their
use
D.3 - References
Bibliography
Index
Table C.1 - Recommendations for specific programming languages
Table D.1 - Necessary history for confidence to safety
integrity levels
Table D.2 - Probabilities of failure for low demand mode of
operation
Table D.3 - Mean distances of two test points
Table D.4 - Probabilities of failure for high demand or
continuous mode of operation
Table D.5 - Probability of testing all program properties
An overview of various measures and safety techniques relevant to IEC 61508-2 AND IEC 61508-3.
| Committee |
GEL/65
|
| DevelopmentNote |
Renumbered and superseded by BS EN 61508-7 Supersedes 98/261466 DC (04/2002)
|
| DocumentType |
Standard
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| IEC 61508-7:2010 | Identical |
| IEC 61508-5:2010 | Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 5: Examples of methods for the determination of safety integrity levels (see Functional Safety and IEC 61508) |
| IEC 61508-4:2010 | Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 4: Definitions and abbreviations (see Functional Safety and IEC 61508) |
| IEC 61508-3:2010 | Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 3: Software requirements (see Functional Safety and IEC 61508) |
| ISO/IEC Guide 51:2014 | Safety aspects — Guidelines for their inclusion in standards |
| IEC GUIDE 104:2010 | The preparation of safety publications and the use of basic safety publications and group safety publications |
| IEC 61508-6:2010 | Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 6: Guidelines on the application of IEC 61508-2 and IEC 61508-3 (see Functional Safety and IEC 61508) |
| IEC 61508-1:2010 | Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements (see Functional Safety and IEC 61508) |
| IEC 61508-2:2010 | Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 2: Requirements for electrical/electronic/programmable electronic safety-related systems (see Functional Safety and IEC 61508) |
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