BSEN
50129:2018
EN
50129:2018
Contents
Page
European
foreword
..............................................................................................................................................
5
Introduction
..........................................................................................................................................................
7
1
Scope
..............................................................................................................................................................
8
2
Normative
references
..................................................................................................................................
9
3
Terms,
definitions
and
abbreviations
...................................................................................................
10
3.1
Terms
and
definitions
.......................................................................................................................
10
3.2
Abbreviations
....................................................................................................................................
20
4
Overall
framework
of
this
standard
.......................................................................................................
21
5
Requirements
for
developing
safety-related
electronic
systems
....................................................
22
5.1
Introduction
.......................................................................................................................................
22
5.2
The
quality
management
process
..................................................................................................
23
5.3
The
safety
management
process
...................................................................................................
26
6
Requirements
for
elements
following
different
life
cycles
...............................................................
36
6.1
Introduction
.......................................................................................................................................
36
6.2
Use
of
pre-existing
items
.................................................................................................................
36
6.3
Safety-related
tools
for
electronic
systems
....................................................................................
39
6.4
Physical
security
and
IT-Security
....................................................................................................
41
7
The
Safety
Case:
structure
and
content
...............................................................................................
42
7.1
The
Safety
Case
structure
...............................................................................................................
42
7.2
The
Technical
Safety
Report
..........................................................................................................
44
7.3
Generic
and
Specific
Safety
Cases
................................................................................................
55
7.4
Provisions
for
the
Specific
Application
Safety
Case
.....................................................................
55
7.5
Dependencies
between
Safety
Cases
............................................................................................
56
8
System
safety
acceptance
and
subsequent
phases
...........................................................................
57
8.1
System
safety
acceptanee
process
................................................................................................
57
8.2
Operation,
maintenance
and
performance
monitoring
.................................................................
61
8.3
Modification
and
retrofit
...................................................................................................................
61
8.4
Decommissioning
and
disposal
......................................................................................................
61
Annex
A
(normative)
Safety
Integrity
Levels
................................................................................................
62
A.1
Introduction
................................................................................................................................................
62
A.2
Safety
requirements
..................................................................................................................................
62
A.3
Safety
integrity
............................................................................................................................................
63
A.4
Determination
of
safety
integrity
requirements
..................................................................................
64
A.4.1
General
..............................................................................................................................................
64
A.4.
2
Risk
Assessment
..............................................................................................................................
65
A.4.
3
Hazard
Control
..................................................................................................................................
67
2
