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IEC 61124:2012

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Reliability testing - Compliance tests for constant failure rate and constant failure intensity
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

02-24-2023

Published date

05-23-2012

FOREWORD
1 Scope
2 Normative references
3 Terms, definitions, abbreviations
   and symbols
4 General requirements and area of application
5 General test procedure
6 Sequential test plans
7 Fixed time/failure terminated test
   plans - Fixed duration test plans
8 Design of alternative time/failure terminated
   test plans
9 Calendar time/failure terminated test plans for
   non-replaced items
10 Combined test plans
11 Performing the test
12 Presentation of results
Annex A (normative) - Tables and graphs for sequential
        test plans
Annex B (normative) - Graphs for fixed time/failure
        terminated test plans
Annex C (normative) - Graphs for alternative time/failure
        terminated test plans
Annex D (normative) - Tables and graphs for combined
        test plans and additional sequential test plans
Annex E (informative) - Examples and mathematical
        references for sequential test plans
Annex F (informative) - Design of sequential test plans
        using a common spreadsheet program
Annex G (informative) - Examples and mathematical
        references for fixed time/failure terminated test
        plans - Fixed duration test plans
Annex H (informative) - Design of fixed duration
        time/failure terminated test plans using
        a spreadsheet program
Annex I (informative) - Examples and mathematical
        references for the design of alternative
        time/failure terminated test plans
Annex J (informative) - Examples and mathematical
        references for the calendar time terminated
        test plans
Annex K (informative) - Derivation and mathematical
        reference for the optimized test plans of
        GOST R 27 402
Bibliography

IEC 61124:2012 gives a number of optimized test plans, the corresponding operating characteristic curves and expected test times. In addition the algorithms for designing test plans using a spreadsheet program are also given, together with guidance on how to choose test plans. This standard specifies procedures to test whether an observed value of: failure rate, failure intensity, meantime to failure (MTTF), and mean operating time between failures (MTBF). The main changes with respect to the previous edition are as follows:
- A number of new test plans have been added based on the Russian standard GOST R 27.402 [1], and it is intended to align the new edition of MIL-HDBK-781 [2] with this edition. Algorithms for optimizing test plans using a spreadsheet program are given and a number of optimized test plans are listed. Furthermore, emphasis is laid on the fact that the test should be repeated following design changes;
- Discrepancies in test plans A, B as well as Annexes A and B that originated in IEC 60605-7 [3], now withdrawn, have been corrected so these test plans differ from those given in previous editions of IEC 61124. As requested by the National Committees, mathematical background material and spreadsheet program information has been moved to informative annexes. In addition, the symbol lists have been divided, so that some annexes have separate lists of symbols;
- Guidance on how to choose test plans has been added as well as guidance on how to use spreadsheet programs to create them. Test plans A.1 to A.9 and B.1 to B.13 have been corrected;
- Subcluses 8.1, 8.2, 8.3, Clause 9, Annex C, Clauses G.2, I.2, I.3 and Annex J are unchanged, except for updated terminology and references. The contents of the corrigendum of January 2013 have been included in this copy.

Committee
TC 56
DevelopmentNote
Supersedes IEC 60605-7 (03/2001) Stability Date: 2018. (11/2017)
DocumentType
Standard
Pages
252
PublisherName
International Electrotechnical Committee
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
NF EN 61124 : 2012 Identical
NBN EN 61124 : 2012 Identical
NEN EN IEC 61124 : 2012 C1 2013 Identical
PN EN 61124 : 2012 Identical
UNE-EN 61124:2014 Identical
BS EN 61124:2012 Identical
CEI EN 61124 : 2013 Identical
EN 61124:2012 Identical
DIN EN 61124:2013-01 Identical
BS IEC 61124:1997 Identical
CEI 56-34 : 1ED 2000 Identical
UNE-EN 61124:2012 Identical
04/100416 DC : 0 Identical
GOST R IEC 61124 : 2016 Identical

CEI 56-46 : 2005 DEPENDABILITY MANAGEMENT - PART 3-5: APPLICATION GUIDE - RELIABILITY TEST CONDITIONS AND STATISTICAL TEST PRINCIPLES
BS ISO 19973-1:2015 Pneumatic fluid power. Assessment of component reliability by testing General procedures
ISO 19973-1:2015 Pneumatic fluid power Assessment of component reliability by testing Part 1: General procedures
I.S. EN 62506:2013 METHODS FOR PRODUCT ACCELERATED TESTING (IEC 62506:2013 (EQV))
IEC 60571:2012 Railway applications - Electronic equipment used on rolling stock
CSA ISO/TR 10017 : 2003 : R2013 GUIDANCE ON STATISTICAL TECHNIQUES FOR ISO 9001:2000
CEI EN 60300-3-2 : 2006 DEPENDABILITY MANAGEMENT - PART 3-2: APPLICATION GUIDE - COLLECTION OF DEPENDABILITY DATA FROM THE FIELD
BS EN 50155:2017 Railway applications. Rolling stock. Electronic equipment
16/30282633 DC : 0 BS EN 50155 - RAILWAY APPLICATIONS - ELECTRONIC EQUIPMENT USED ON ROLLING STOCK
EN 62506 : 2013 METHODS FOR PRODUCT ACCELERATED TESTING (IEC 62506:2013)
EN 60300-3-2 : 2005 Dependability management - Part 3-2: Application guide - Collection of dependability data from the field
EN 60300-3-4:2008 Dependability management - Part 3-4: Application guide - Guide to the specification of dependability requirements
DEFSTAN 00-42(PT7)/1(2014) : 2014 RELIABILITY AND MAINTAINABILITY - PART 7: RELIABILITY TESTING
BS IEC 60300-3.5 : 2001 DEPENDABILITY MANAGEMENT - PART 3-5: APPLICATION GUIDE - RELIABILITY TEST CONDITIONS AND STATISTICAL TEST PRINCIPLES
BS EN 61069-5:2016 Industrial-process measurement, control and automation. Evaluation of system properties for the purpose of system assessment Assessment of system dependability
05/30125041 DC : DRAFT JAN 2005 ISO 19973-1 - PNEUMATIC FLUID POWER - DETERMINATION OF RELIABILITY BY TESTING - PART 1: GENERAL PRODUCTION CALCULATION METHOD
UNE-EN 62059-31-1:2010 Electricity metering equipment - Dependability -- Part 31-1: Accelerated reliability testing - Elevated temperature and humidity
I.S. EN 60300-3-2:2005 DEPENDABILITY MANAGEMENT - PART 3-2: APPLICATION GUIDE - COLLECTION OF DEPENDABILITY DATA FROM THE FIELD
I.S. EN 50155:2017-11 RAILWAY APPLICATIONS - ROLLING STOCK - ELECTRONIC EQUIPMENT
I.S. EN ISO 14224:2016 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - COLLECTION AND EXCHANGE OF RELIABILITY AND MAINTENANCE DATA FOR EQUIPMENT (ISO 14224:2016)
VDI 4003:2007-03 Reliability management
15/30324519 DC : 0 BS EN ISO 14224 - PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - COLLECTION AND EXCHANGE OF RELIABILITY AND MAINTENANCE DATA FOR EQUIPMENT
BS EN 62506:2013 Methods for product accelerated testing
NF EN 62506 : 2013 METHODS FOR PRODUCT ACCELERATED TESTING
04/30066208 DC : DRAFT DEC 2004 ISO 14224 - PETROLEUM AND NATURAL GAS INDUSTRIES - COLLECTION AND EXCHANGE OF RELIABILITY AND MAINTENANCE DATA FOR EQUIPMENT
13/30294746 DC : 0 BS ISO 19973-1 - PNEUMATIC FLUID POWER - ASSESSMENT OF COMPONENT RELIABILITY BY TESTING - PART 1: GENERAL PROCEDURES
CEI EN 62059-31-1 : 2009 ELECTRICITY METERING EQUIPMENT - DEPENDABILITY - PART 31-1: ACCELERATED RELIABILITY TESTING - ELEVATED TEMPERATURE AND HUMIDITY
CSA CEI/IEC 300.2 : 0 DEPENDABILITY MANAGEMENT - PART 2: DEPENDABILITY PROGRAMME ELEMENTS AND TASKS
ISO 14224:2016 Petroleum, petrochemical and natural gas industries Collection and exchange of reliability and maintenance data for equipment
IEC 62506:2013 Methods for product accelerated testing
EN 50155:2017 Railway applications - Rolling stock - Electronic equipment
CEI EN 62506 : 2014 METHODS FOR PRODUCT ACCELERATED TESTING
CEI EN 60300-3-4 : 2010 DEPENDABILITY MANAGEMENT - PART 3-4: APPLICATION GUIDE - GUIDE TO THE SPECIFICATION OF DEPENDABILITY REQUIREMENTS
BS EN 60300-3-2:2005 Dependability management Application guide. Collection of dependability data from the field
PD ISO/TR 10017:2003 Guidance on statistical techniques for ISO 9001:2000
NF EN 60300 3-4 : 2008 DEPENDABILITY MANAGEMENT - PART 3-4: APPLICATION GUIDE - GUIDE TO THE SPECIFICATION OF DEPENDABILITY REQUIREMENTS
I.S. EN 61069-5:2016 INDUSTRIAL-PROCESS MEASUREMENT, CONTROL AND AUTOMATION - EVALUATION OF SYSTEM PROPERTIES FOR THE PURPOSE OF SYSTEM ASSESSMENT - PART 5: ASSESSMENT OF SYSTEM DEPENDABILITY
S.R. ISO/TR 10017:2003 GUIDANCE ON STATISTICAL TECHNIQUES FOR ISO 9001:2000
IEC 60300-3-2:2004 Dependability management - Part 3-2: Application guide - Collection of dependability data from the field
UNE-EN 60300-3-4:2011 Dependability management -- Part 3-4: Application guide - Guide to the specification of dependability requirements
10/30238858 DC : 0 BS EN 62506 - METHODS FOR PRODUCT ACCELERATED TESTING
BS EN 62059-31-1:2008 Electricity metering equipment. Dependability Accelerated reliability testing. Elevated temperature and humidity
03/108624 DC : DRAFT JULY 2003 IEC 60300-3-2 - DEPENDABILITY MANAGEMENT - PART 3-2: APPLICATION GUIDE - COLLECTION OF DEPENDABILITY DATA FROM THE FIELD
CSA ISO/TR 10017:2003 GUIDANCE ON STATISTICAL TECHNIQUES FOR ISO 9001:2000
BS EN 60300-3-4:2008 Dependability management Application guide. Guide to the specification of dependability requirements
API 689 : 2007 COLLECTION AND EXCHANGE OF RELIABILITY AND MAINTENANCE DATA FOR EQUIPMENT
I.S. EN 62059-31-1:2008 ELECTRICITY METERING EQUIPMENT - DEPENDABILITY - PART 31-1: ACCELERATED RELIABILITY TESTING - ELEVATED TEMPERATURE AND HUMIDITY
I.S. EN 60300-3-4:2008 DEPENDABILITY MANAGEMENT - PART 3-4: APPLICATION GUIDE - GUIDE TO THE SPECIFICATION OF DEPENDABILITY REQUIREMENTS
ISO/TR 10017:2003 Guidance on statistical techniques for ISO 9001:2000
IEC 60300-3-5:2001 Dependability management - Part 3-5: Application guide - Reliability test conditions and statistical test principles
BS EN ISO 14224:2016 Petroleum, petrochemical and natural gas industries. Collection and exchange of reliability and maintenance data for equipment
IEC 60300-3-4:2007 Dependability management - Part 3-4: Application guide - Guide to the specification of dependability requirements
EN 61069-5:2016 Industrial-process measurement, control and automation - Evaluation of system properties for the purpose of system assessment - Part 5: Assessment of system dependability
EN 62059-31-1 : 2008 ELECTRICITY METERING EQUIPMENT - DEPENDABILITY - PART 31-1: ACCELERATED RELIABILITY TESTING - ELEVATED TEMPERATURE AND HUMIDITY

IEC 61123:1991 Reliability testing - Compliance test plans for success ratio
IEC 60605-4:2001 Equipment reliability testing - Part 4: Statistical procedures for exponential distribution - Point estimates, confidence intervals, prediction intervals and tolerance intervals
IEC 60605-6:2007 Equipment reliability testing - Part 6: Tests for the validity and estimation of the constant failure rate and constant failure intensity
MIL-HDBK-781 Revision A:1996 RELIABILITY TEST METHODS, PLANS, AND ENVIRONMENTS FOR ENGINEERING DEVELOPMENT, QUALIFICATION AND PRODUCTION
IEC 60605-2:1994 Equipment reliability testing - Part 2: Design of test cycles
IEC 60300-3-5:2001 Dependability management - Part 3-5: Application guide - Reliability test conditions and statistical test principles

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