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EN 61078 : 1991

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

RELIABILITY BLOCK DIAGRAMS (IEC 61078:2016)

Superseded date

24-02-2020

Superseded by

EN 61078:2016

Published date

01-01-1991

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FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Preliminary considerations, main assumptions, and
   limitations
6 Establishment of system success/failed states
7 Elementary models
8 Qualitative analysis: minimal tie sets and minimal
   cut sets
9 Quantitative analysis: blocks with constant
   probability of failure/success
10 Quantitative analysis: blocks with time dependent
   probabilities of failure/success
11 Boolean techniques for quantitative analysis of
   large models
12 Extension of reliability block diagram techniques
Annex A (informative) - Summary of formulae
Annex B (informative) - Boolean algebra methods
Annex C (informative) - Time dependent probabilities
         and RBD driven Markov processes
Annex D (informative) - Importance factors
Annex E (informative) - RBD driven Petri nets
Annex F (informative) - Numerical examples and curves
Bibliography
Annex ZA (normative) - Normative references to international
         publications with their corresponding
         European publications

Defines the requirements to apply when reliability block diagrams (RBDs) are used in dependability analysis.

Committee
SR 56
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Superseded
SupersededBy

Standards Relationship
CEI EN 61078 : 2006 Identical
DIN EN 61078:2015-04 (Draft) Identical
PN EN 61078 : 2017 Identical
NEN 11078 : 1994 Identical
NF EN 61078 : 2017 Identical
BS EN 61078:2016 Identical
IEC 61078:2016 Identical
I.S. EN 61078:2016 Identical
SN EN 61078:2016 Identical
UNE-EN 61078:2006 Identical
NBN EN 61078 : 2006 Identical
NEN EN IEC 61078 : 2016 Identical

CLC/TS 62603-1:2014 Industrial process control systems - Guideline for evaluating process control systems - Part 1: Specifications
BS EN 61165:2006 Application of Markov techniques
13/30273033 DC : 0 BS EN 1012-3 - COMPRESSORS AND VACUUM PUMPS - SAFETY REQUIREMENTS - PART 3: PROCESS COMPRESSORS
I.S. EN 1012-3:2013 COMPRESSORS AND VACUUM PUMPS - SAFETY REQUIREMENTS - PART 3: PROCESS COMPRESSORS
CEI EN 62308 : 2010 EQUIPMENT RELIABILITY - RELIABILITY ASSESSMENT METHODS
EN 50126-1:2017 Railway Applications - The Specification and Demonstration of Reliability, Availability, Maintainability and Safety (RAMS) - Part 1: Generic RAMS Process
CLC/TR 50126-2:2007 Railway applications - The specification and demonstration of Reliability, Availability, Maintainability and Safety (RAMS) - Part 2: Guide to the application of EN 50126-1 for safety
EN 61508-2:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 2: Requirements for electrical/electronic/programmable electronic safety-related systems
EN 60300-3-15 : 2009 DEPENDABILITY MANAGEMENT - PART 3-15: APPLICATION GUIDE - ENGINEERING OF SYSTEM DEPENDABILITY
EN 60300-3-4:2008 Dependability management - Part 3-4: Application guide - Guide to the specification of dependability requirements
EN 61907:2010 Communication network dependability engineering
EN 62308 : 2006 EQUIPMENT RELIABILITY - RELIABILITY ASSESSMENT METHODS
EN 61025:2007 Fault tree analysis (FTA)
PD CLC/TS 62603-1:2014 Industrial process control systems. Guideline for evaluating process control systems Specifications
BS EN 61907:2010 Communication network dependability engineering
BS EN 62741:2015 Demonstration of dependability requirements. The dependability case
BS EN 62308:2006 Equipment reliability. Reliability assessment methods
BS EN 60300-3-15:2009 Dependability management Application guide. Engineering of system dependability
PD CLC/TR 50126-2:2007 Railway applications. The specification and demonstration of reliability, availability, maintainability and safety (RAMS) Guide to the application of EN 50126-1 for safety
BS EN 1012-3:2013 Compressors and vacuum pumps. Safety requirements Process compressors
BS EN 60812:2006 Analysis techniques for system reliability. Procedure for failure mode and effects analysis (FMEA)
S.R. CLC/TR 50126-2:2007 RAILWAY APPLICATIONS - THE SPECIFICATION AND DEMONSTRATION OF RELIABILITY, AVAILABILITY, MAINTAINABILITY AND SAFETY (RAMS) - PART 2: GUIDE TO THE APPLICATION OF EN 50126-1 FOR SAFETY
EN 60812:2006 Analysis techniques for system reliability - Procedure for failure mode and effects analysis (FMEA)
UNI EN 1012-3 : 2014 COMPRESSORS AND VACUUM PUMPS - SAFETY REQUIREMENTS - PART 3: PROCESS COMPRESSORS
I.S. EN 50126-1:2017 RAILWAY APPLICATIONS - THE SPECIFICATION AND DEMONSTRATION OF RELIABILITY, AVAILABILITY, MAINTAINABILITY AND SAFETY (RAMS) - PART 1: GENERIC RAMS PROCESS
BS EN 61508-2:2010 Functional safety of electrical/electronic/ programmable electronic safety-related systems Requirements for electrical/electronic/ programmable electronic safety-related systems
BS EN 61508-7:2010 Functional safety of electrical/electronic/ programmable electronic safety related systems Overview of techniques and measures
PREN 50126-1 : DRAFT 2015 RAILWAY APPLICATIONS - THE SPECIFICATION AND DEMONSTRATION OF RELIABILITY, AVAILABILITY, MAINTAINABILITY AND SAFETY (RAMS) - PART 1: GENERIC RAMS PROCESS
BS EN 62551:2012 Analysis techniques for dependability. Petri net techniques
16/30339594 DC : DRAFT DEC 2016 BS EN 50129 - RAILWAY APPLICATIONS - COMMUNICATION, SIGNALLING AND PROCESSING SYSTEMS - SAFETY RELATED ELECTRONIC SYSTEMS FOR SIGNALLING
BS EN 61025:2007 Fault tree analysis (FTA)
S.R. CLC/TS 62603-1:2014 INDUSTRIAL PROCESS CONTROL SYSTEMS - GUIDELINE FOR EVALUATING PROCESS CONTROL SYSTEMS - PART 1: SPECIFICATIONS
CEI EN 60300-3-4 : 2010 DEPENDABILITY MANAGEMENT - PART 3-4: APPLICATION GUIDE - GUIDE TO THE SPECIFICATION OF DEPENDABILITY REQUIREMENTS
BS EN 60300-3-1:2004 Dependability management. Application guide Analysis techniques for dependability. Guide on methodology
I.S. EN 62308:2006 EQUIPMENT RELIABILITY - RELIABILITY ASSESSMENT METHODS
UNE-EN 60300-3-4:2011 Dependability management -- Part 3-4: Application guide - Guide to the specification of dependability requirements
BS EN 61703:2016 Mathematical expressions for reliability, availability, maintainability and maintenance support terms
BS EN 61160:2005 Design review
15/30330403 DC : 0 BS EN 50126-1 - RAILWAY APPLICATIONS - THE SPECIFICATION AND DEMONSTRATION OF RELIABILITY, AVAILABILITY, MAINTAINABILITY AND SAFETY (RAMS) - PART 1: GENERIC RAMS PROCESS
BS EN 60300-3-4:2008 Dependability management Application guide. Guide to the specification of dependability requirements
UNE-EN 62741:2015 Demonstration of dependability requirements - The dependability case
I.S. EN 60812:2006 ANALYSIS TECHNIQUES FOR SYSTEM RELIABILITY - PROCEDURE FOR FAILURE MODE AND EFFECTS ANALYSIS (FMEA)
I.S. EN 60300-3-4:2008 DEPENDABILITY MANAGEMENT - PART 3-4: APPLICATION GUIDE - GUIDE TO THE SPECIFICATION OF DEPENDABILITY REQUIREMENTS
I.S. EN 60300-3-1:2004 DEPENDABILITY MANAGEMENT - PART 3-1: APPLICATION GUIDE - ANALYSIS TECHNIQUES FOR DEPENDABILITY - GUIDE ON METHODOLOGY
EN 1012-3:2013 Compressors and vacuum pumps - Safety requirements - Part 3: Process compressors
EN 62551 : 2012 ANALYSIS TECHNIQUES FOR DEPENDABILITY - PETRI NET TECHNIQUES (IEC 62551:2012)
EN 61508-7:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 7: Overview of techniques and measures
EN 60300-3-1:2004 Dependability management - Part 3-1: Application guide - Analysis techniques for dependability - Guide on methodology
EN 61703:2016 Mathematical expressions for reliability, availability, maintainability and maintenance support terms
EN 61165:2006 Application of Markov techniques
EN 61160:2005 Design review

IEC 61025:2006 Fault tree analysis (FTA)
EN 60812:2006 Analysis techniques for system reliability - Procedure for failure mode and effects analysis (FMEA)
IEC 62551:2012 Analysis techniques for dependability - Petri net techniques
IEC 60812:2006 Analysis techniques for system reliability - Procedure for failure mode and effects analysis (FMEA)
CEN ISO/TR 12489:2016 Petroleum, petrochemical and natural gas industries - Reliability modelling and calculation of safety systems (ISO/TR 12489:2013)
IEC 61165:2006 Application of Markov techniques
EN 61165:2006 Application of Markov techniques
EN 62551 : 2012 ANALYSIS TECHNIQUES FOR DEPENDABILITY - PETRI NET TECHNIQUES (IEC 62551:2012)
IEC 61703:2016 Mathematical expressions for reliability, availability, maintainability and maintenance support terms
EN 61025:2007 Fault tree analysis (FTA)
ISO/TR 12489:2013 Petroleum, petrochemical and natural gas industries Reliability modelling and calculation of safety systems
EN 61703:2016 Mathematical expressions for reliability, availability, maintainability and maintenance support terms

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