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  • AS 61508.4-1999

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 - Definition and abbreviations

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

    Superseded date:  23-06-2021

    Language(s):  English

    Published date:  01-01-1999

    Publisher:  Standards Australia

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

    1 - AS 61508.4-1999 Functional safety of electrical/electronic/programmable electronic safety-related systems - Definitions and....
    4 - PREFACE
    5 - CONTENTS
    6 - INTRODUCTION
    9 - 1 Scope
    11 - 2 Normative references
    12 - 3 Definitions and abbreviations
    12 - 3.1 Safety terms
    12 - 3.1.1 harm
    12 - 3.1.2 hazard
    12 - 3.1.3 hazardous situation
    12 - 3.1.4 hazardous event
    12 - 3.1.5 risk
    12 - 3.1.6 tolerable risk
    13 - 3.1.7 residual risk
    13 - 3.1.8 safety
    13 - 3.1.9 functional safety
    13 - 3.1.10 safe state
    13 - 3.1.11 reasonably foreseeable misuse
    13 - 3.2 Equipment and devices
    13 - 3.2.1 functional unit
    13 - 3.2.2 software
    13 - 3.2.3 equipment under control (EUC)
    14 - 3.2.4 EUC risk
    14 - 3.2.5 programmable electronic (PE)
    14 - 3.2.6 electrical/electronic/programmable electronic (E/E/PE)
    14 - 3.2.7 limited variability language
    15 - 3.3 Systems: general aspects
    15 - 3.3.1 system
    15 - 3.3.2 programmable electronic system (PES)
    15 - 3.3.3 electrical/electronic/programmable electronic system (E/E/PES)
    15 - 3.3.4 EUC control system
    15 - 3.3.5 architecture
    15 - 3.3.6 module
    15 - 3.3.7 software module
    17 - 3.3.8 channel
    17 - 3.3.9 diversity
    17 - 3.3.10 redundancy
    17 - 3.4 Systems: safety-related aspects
    17 - 3.4.1 safety-related system
    18 - 3.4.2 other technology safety-related system
    18 - 3.4.3 external risk reduction facility
    18 - 3.4.4 low complexity E/E/PE safety-related system
    18 - 3.4.5 logic system
    18 - 3.5 Safety functions and safety integrity
    18 - 3.5.1 safety function
    18 - 3.5.2 safety integrity
    19 - 3.5.3 software safety integrity
    19 - 3.5.4 systematic safety integrity
    19 - 3.5.5 hardware safety integrity
    19 - 3.5.6 safety integrity level (SIL)
    19 - 3.5.7 software safety integrity level
    19 - 3.5.8 safety requirements specification
    20 - 3.5.9 safety functions requirements specification
    20 - 3.5.10 safety integrity requirements specification
    20 - 3.5.11 safety-related software
    20 - 3.5.12 mode of operation
    20 - 3.5.13 target failure measure
    20 - 3.5.14 necessary risk reduction
    21 - 3.6 Fault, failure and error
    21 - 3.6.1 fault
    21 - 3.6.2 fault avoidance
    21 - 3.6.3 fault tolerance
    21 - 3.6.4 failure
    21 - 3.6.5 random hardware failure
    22 - 3.6.6 systematic failure
    23 - 3.6.7 dangerous failure
    23 - 3.6.8 safe failure
    23 - 3.6.9 dependent failure
    23 - 3.6.10 common cause failure
    23 - 3.6.11 error
    23 - 3.6.12 human error mistake
    23 - 3.7 Lifecycle activities
    23 - 3.7.1 safety lifecycle
    24 - 3.7.2 software lifecycle
    24 - 3.7.3 configuration management
    24 - 3.7.4 impact analysis
    24 - 3.8 Confirmation of safety measures
    24 - 3.8.1 verification
    24 - 3.8.2 validation
    25 - 3.8.3 functional safety assessment
    25 - 3.8.4 functional safety audit
    25 - 3.8.5 proof test
    25 - 3.8.6 diagnostic coverage
    25 - 3.8.7 diagnostic test interval
    25 - 3.8.8 detected
    26 - 3.8.9 undetected
    26 - 3.8.10 independent person
    26 - 3.8.11 independent department
    26 - 3.8.12 independent organisation
    26 - 3.8.13 animation
    26 - 3.8.14 dynamic testing
    26 - 3.8.15 test harness
    27 - Annex A - Bibliography
    28 - INDEX

    Abstract - (Show below) - (Hide below)

    Provides the definitions and abbreviations used in other parts of this series of Standards. The Standard is identical with and has been reproduced from IEC 61508-4:1998.

    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 61508.4-1999.

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

    AS 61508.1-1999 Functional safety of electrical/electronic/programmable electronic safety-related systems - General requirements
    AS 61508.5-1999 Functional safety of electrical/electronic/programmable electronic safety-related systems - Examples of methods for the determination of safety integrity levels
    AS 61508.3-1999 Functional safety of electrical/electronic/programmable electronic safety-related systems - Software 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
    AS/NZS 4240.2:2009 Remote control systems for mining equipment Operation and maintenance for underground metalliferous mining (Reconfirmed 2021)
    AS 61508.5-1999 Functional safety of electrical/electronic/programmable electronic safety-related systems - Examples of methods for the determination of safety integrity levels
    AS 61508.0-2006 Functional safety of electrical/electronic/programmable electronic safety-related systems - Functional safety and AS 61508
    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 2578-2009 Traffic signal controllers
    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
    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/NZS 1826:2008 Electrical equipment for explosive gas atmospheres - Special protection - Type of protection 's'
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