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BS IEC 61508-1 : 1998 AMD 13779

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

FUNCTIONAL SAFETY OF ELECTRICAL/ELECTRONIC/PROGRAMMABLE ELECTRONIC SAFETY-RELATED SYSTEMS - GENERAL REQUIREMENTS
Superseded date

03-15-2002

Published date

11-23-2012

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions and abbreviations
4 Conformance to this standard
5 Documentation
    5.1 Objectives
    5.2 Requirements
6 Management of functional safety
    6.1 Objectives
    6.2 Requirements
7 Overall lifecycle requirements
    7.1 General
    7.2 Concept
    7.3 Overall scope definition
    7.4 Hazard and risk analysis
    7.5 Overall safety requirements
    7.6 Safety requirements allocation
    7.7 Overall operation and maintenance planning
    7.8 Overall safety validation planning
    7.9 Overall installation and commissioning planning
    7.10 Realisation: E/E/PES
    7.11 Realisation: other technology
    7.12 Realisation: external risk reduction facilities
    7.13 Overall installation and commissioning
    7.14 Overall safety validation
    7.15 Overall operation, maintenance and repair
    7.16 Overall modification and retrofit
    7.17 Decommissioning or disposal
    7.18 Verification
8 Functional safety assessment
    8.1 Objective
    8.2 Requirements
Annexes
Annex A (informative) Example of documentation structure
      A.1 General
      A.2 Safety lifecycle document structure
      A.3 Physical document structure
      A.4 List of documents
Annex B (informative) Competence of persons
      B.1 Objective
      B.2 General considerations
Annex C (informative) Bibliography
Tables
1 Overall safety lifecycle: overview
2 Safety integrity levels: target failure measures for a
     safety function, allocated to an E/E/PE safety-related
     system operating in low demand mode of operation
3 Safety integrity levels: target failure measures for a
     safety function, allocated to an E/E/PE safety-related
     system operating in high demand or continuous mode of
     operation
4 Minimum levels of independence of those carrying out
     functional safety assessment (overall safety lifecycle
     phases 1 to 8 and 12 to 16 inclusive (see figure 2))
5 Minimum levels of independence of those carrying out
     functional safety assessment (overall safety lifecycle
     phase 9 - includes all phases of E/E/PES and software
     safety lifecycles (see figures 2, 3 and 4))
A.1 Example documentation structure for information related
     to the overall safety lifecycle
A.2 Example documentation structure for information related
     to the E/E/PES safety lifecycle
A.3 Example documentation structure for information related
     to the software safety lifecycle
Figures
1 Overall framework of this standard
2 Overall safety lifecycle
3 E/E/PES safety lifecycle (in realisation phase)
4 Software safety lifecycle (in realisation phase)
5 Relationship of overall safety lifecycle to E/E/PES and
     software safety lifecycles
6 Allocation of safety requirements to the E/E/PE safety-
     related systems, other technology safety-related systems
     and external risk reduction facilities
7 Example operations and maintenance activities model
8 Example operation and maintenance management model
9 Example modification procedure model
A.1 Structuring information into document sets for user
     groups
A.2 Structuring information for large complex systems and
     small low complexity systems

Gives the aspects to be considered when electrical/electronic/ programmable electronic systems (E/E/PESs) are used to carry out safety functions. A major objective is to facilitate the development of application sector international standards by the technical committees responsible for the application sector. This allows the relevant factors associated with the application, to be fully taken into account and thus meet the need of the application sector. Applicable to safety-related systems when one or more of such systems incorporates electrical/electronic/ programmable electronic devices.

Committee
GEL/65/1
DevelopmentNote
Renumbered and superseded by BS EN 61508-1 Supersedes 98/262286 DC, 99/208053 DC (04/2002)
DocumentType
Standard
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
IEC 61508-1:2010 Identical

BS 7000-5:2001 Design management systems Design management systems. Guide to managing obsolescence

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 61508-7:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 7: Overview of techniques and measures (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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