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    AS 61508.5-1999

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Functional safety of electrical/electronic/programmable electronic safety-related systems - Examples of methods for the determination of safety integrity levels

    Available format(s):  Hardcopy, PDF 1 User, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Superseded date:  26-06-2021

    Language(s):  English

    Published date:  01-01-1999

    Publisher:  Standards Australia

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    Table of Contents - (Show below) - (Hide below)

    1 - AS 61508.5-1999 FUNCTIONAL SAFETY OF ELECTRICAL/ELECTRONIC/PROGRAMMABLE ELECTRONIC SAFETY-RELATED SYSTEMS - EXAMPLES OF ...
    4 - PREFACE
    5 - CONTENTS
    6 - INTRODUCTION
    9 - 1 Scope
    11 - 2 Normative references
    11 - 3 Definitions and abbreviations
    12 - Annex A - Risk and safety integrity – General concepts
    12 - A.1 General
    12 - A.2 Necessary risk reduction
    13 - A.3 Role of E/E/PE safety-related systems
    13 - A.4 Safety integrity
    16 - A.5 Risk and safety integrity
    16 - A.6 Safety integrity levels and software safety integrity levels
    16 - A.7 Allocation of safety requirements
    18 - Annex B - ALARP and tolerable risk concepts
    18 - B.1 General
    18 - B.2 ALARP model
    21 - Annex C - Determination of safety integrity levels: a quantitative method
    21 - C.1 General
    21 - C.2 General method
    22 - C.3 Example calculation
    24 - Annex D - Determination of safety integrity levels – A qualitative method: risk graph
    24 - D.1 General
    24 - D.2 Risk graph synthesis
    25 - D.3 Other possible risk parameters
    25 - D.4 Risk graph implementation: general scheme
    26 - D.5 Risk graph example
    29 - Annex E - Determination of safety integrity levels – A qualitative method: hazardous event severity matrix
    29 - E.1 General
    29 - E.2 Hazardous event severity matrix

    Abstract - (Show below) - (Hide below)

    Provides information on the concepts and relationship of risk to safety integrity together with methods of determining safety integrity levels. The Standard is identical with and has been reproduced from IEC 61508-5:1998.

    General Product Information - (Show below) - (Hide below)

    Committee IT-006
    Document Type Standard
    Publisher Standards Australia
    Status Superseded
    Superseded By
    Supersedes
    Under Revision

    History - (Show below) - (Hide below)

    First published as AS 61508.5-1999.

    Standards Referenced By This Book - (Show below) - (Hide below)

    AS 61508.4-1999 Functional safety of electrical/electronic/programmable electronic safety-related systems - Definition and abbreviations
    AS 61508.1-1999 Functional safety of electrical/electronic/programmable electronic safety-related systems - General requirements

    Standards Referencing This Book - (Show below) - (Hide below)

    AS 61508.2-2001 Functional safety of electrical/electronic/programmable electronic safety-related systems - Requirements for electrical/electronic/programmable electronic safety-related systems
    AS 4024.1501-2006 Safety of machinery Design of safety related parts of control systems - General principles for design (Reconfirmed 2014)
    AS/NZS 4240.2:2009 Remote control systems for mining equipment Operation and maintenance for underground metalliferous mining (Reconfirmed 2021)
    AS 61508.0-2006 Functional safety of electrical/electronic/programmable electronic safety-related systems Functional safety and AS 61508 (Reconfirmed 2015)
    AS/NZS 4024.1:2006 Series Safety of machinery Safety of machinery series
    AS 3814-2005 Industrial and commercial gas-fired appliances
    AS 1210-2010 Pressure vessels (Reconfirmed 2021)
    AS 4024.1202-2006 Safety of machinery General principles - Technical principles
    AS 4722-2009 Passenger ropeways and passenger conveyors
    AS/NZS 2290.1:2005 Electrical equipment for coal mines - Introduction and maintenance - For hazardous areas
    AS/NZS 2081.1:2002 Electrical equipment for coal and shale mines - Electrical protection devices - General requirements
    AS 61508.6-2001 Functional safety of electrical/electronic/programmable electronic safety-related systems - Guidelines on the application of AS 61508.2 and AS 61508.3
    AS 60204.11-2006 Safety of machinery - Electrical equipment of machines Requirements for HV equipment for voltages above 1000 V a.c. or 1500 V d.c and not exceeding 36 kV (IEC 60204-11, Ed. 1.0 (2000) MOD)
    AS 60204.1-2005 Safety of machinery - Electrical equipment of machines General requirements (IEC 60204-1, Ed. 5 (FDIS) MOD)
    AS 3533.1-2009 Amusement rides and devices Design and construction
    AS 4024.1502-2006 Safety of machinery Design of safety related parts of control systems - Validation (Reconfirmed 2014)
    AS/NZS 3788:2006 Pressure equipment - In-service inspection (Reconfirmed 2017)
    AS IEC 61131.8-2004 Programmable controllers - Guidelines for the application and implementation of programming languages
    AS 61508.7-2001 Functional safety of electrical/electronic/programmable electronic safety-related systems - Overview of techniques and measures
    AS/NZS 4871.6:2007 Electrical equipment for coal mines, for use underground Diesel powered machinery and ancillary equipment
    AS 61508.4-1999 Functional safety of electrical/electronic/programmable electronic safety-related systems - Definition and abbreviations
    AS/NZS 1826:2008 Electrical equipment for explosive gas atmospheres - Special protection - Type of protection ‘s’
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