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AS
AS 61508.4-1999

AS 61508.4-1999

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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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Superseded date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

Superseded by

AS 61508.4-2011

Language(s)

English

Published date

01-01-1999

Publisher

Standards Australia

Preview
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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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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

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.

Committee
IT-006
DocumentType
Standard
ISBN
0 7337 2877 4
Pages
21
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

Standards Relationship
IEC 61508-4:1998 Identical

First published as AS 61508.4-1999.

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

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 61508.5-1999 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 (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 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 (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/NZS 1826:2008 Electrical equipment for explosive gas atmospheres - Special protection - Type of protection ‘s’

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