00/241939 DC : DRAFT MAY 2000
Superseded
View Superseded by
PREN 50129 - RAILWAY APPLICATIONS - SAFETY RELATED ELECTRONIC SYSTEMS FOR SIGNALLING
11-23-2012
05-07-2003
Introduction
1 Scope
2 Normative references
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Overall framework of this standard
5 Conditions for safety acceptance and approval
5.1 The Safety Case
5.2 Evidence of quality management
5.3 Evidence of safety management
5.3 Evidence of functional and technical safety
5.4 Safety acceptance and approval
Annex A (normative) Safety Integrity Levels
A.1 Introduction
A.2 Safety requirements
A.3 Safety integrity
A.4 Allocation of safety integrity requirements
A.4.1 Risk analysis
A.5 Safety Integrity Levels
Annex B (normative) Detailed technical requirements
B.1 Introduction
B.2 Assurance of correct functional operation
B.5 Safety-related application conditions
B.6 Safety Qualification Tests
Annex C (normative) Identification of hardware component failure
modes
C.1 Introduction
C.2 General procedure
C.3 Procedure for integrated circuits (including
microprocessors)
C.4 Procedure for components with inherent physical
properties
C.5 General notes concerning component failure modes
C.6 Additional general notes, concerning components with
inherent physical properties
C.7 Specific notes concerning components with inherent
physical properties
Annex D (informative) Supplementary technical information
D.1 introduction
D.2 Achievement of physical internal independence
D.3 Achievement of physical external independence
D.4 Example of a method for single-fault analysis
D.5 Example of a method for multiple-fault analysis
Annex E (informative) Techniques and measures for safety-related
electronic systems for signalling for the avoidance of
systematic faults and the control of random and systematic
faults
Annex F (informative) Bibliography
| Committee |
GEL/9/1
|
| DocumentType |
Draft
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| PREN 50129 : DRAFT 2000 | Identical |