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BS EN IEC 63044-4:2021

BS EN IEC 63044-4:2021

$167.15

Home and building electronic systems (HBES) and building automation and control systems (BACS) – General functional safety requirements for products intended to be integrated in HBES and BACS

Published By Publication Date Number of Pages
BSI 2021 34
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PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
7 English
CONTENTS
8 FOREWORD
10 INTRODUCTION
11 1 Scope
2 Normative references
3 Terms and definitions
15 4 General requirements
4.1 General
4.2 Method of establishment of the requirements
4.2.1 General
16 4.2.2 HBES/BACS application environment
4.2.3 Sources of hazards
4.2.4 Hazardous events
4.2.5 Derivation of requirements
17 5 Requirements for functional safety
5.1 General
5.2 Power feeding
18 5.3 Life time
5.4 Reasonably foreseeable misuse
5.5 Software and communication
20 5.6 Remote operations
5.6.1 General recommendations
5.6.2 Within a single building or in its immediate vicinity
5.6.3 From outside the building
21 5.6.4 Management
Tables
Table 1 ā€“ Requirements for avoiding inadvertent operationsand possible ways to achieve them
22 Annex A (informative)Example of a method for the determination of safety integrity levels
A.1 General
A.2 As low as reasonably practicable (ALARP) and tolerable risk concepts
Figure A.1 ā€“ Risk reduction ā€“ General concept
23 Table A.1 ā€“ Example of risk classification of accidents
Table A.2 ā€“ Interpretation of risk classes
24 Annex B (informative)Hazards and development of necessary functional safety requirements
Table B.1 ā€“ Requirements and/or risk reduction measures
32 Annex C (informative)Some examples of non-safety-related HBES/BACS applications
C.1 General
C.2 Examples of non-safety-related HBES/BACS applications
C.2.1 Example 1: Oven
C.2.2 Example 2: Devices presenting a high potential risk of hazard
33 C.2.3 Example 3: Mains plugs, socket outlets and circuits
C.2.4 Example 4: Water temperature adjustment
34 Bibliography

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BS EN IEC 63044-4:2021
$167.15