IEC 61069-1:2016

IEC 61069-1 ®
Edition 2.0 2016-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial-process measurement, control and automation – Evaluation of system
properties for the purpose of system assessment –
Part 1: Terminology and basic concepts

Mesure, commande et automation dans les processus industriels – Appréciation
des propriétés d'un système en vue de son évaluation –
Partie 1: Terminologie et principes de base
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IEC 61069-1 ®
Edition 2.0 2016-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial-process measurement, control and automation – Evaluation of system

properties for the purpose of system assessment –

Part 1: Terminology and basic concepts

Mesure, commande et automation dans les processus industriels – Appréciation

des propriétés d'un système en vue de son évaluation –

Partie 1: Terminologie et principes de base

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.040.40 ISBN 978-2-8322-3407-5

– 2 – IEC 61069-1:2016 © IEC 2016
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 8
2 Normative references. 8
3 Terms, definitions, abbreviated terms, acronyms, conventions and symbols . 9
3.1 Terms and definitions . 9
3.2 Abbreviated terms, acronyms, conventions and symbols . 16
3.3 Explanation of terms with regard to BCS concepts . 17
4 Basis of an assessment . 18
5 Assessment considerations . 19
5.1 Basic control system (BCS) . 19
5.1.1 Overview . 19
5.1.2 Process / machine interface functions . 20
5.1.3 Data processing functions . 20
5.1.4 Communication functions . 21
5.1.5 Human interface functions . 21
5.1.6 External system interface functions . 21
5.2 System properties . 21
5.2.1 Overview . 21
5.2.2 Functionality . 21
5.2.3 Performance . 21
5.2.4 Dependability . 21
5.2.5 Operability . 22
5.2.6 System safety . 22
5.2.7 Other system properties . 22
5.3 Influencing factors . 22
Annex A (informative) Examples of Influencing factors (information from
IEC TS 62603-1) . 25
A.1 General . 25
A.2 influencing factors . 25
A.2.1 Installation environment . 25
A.2.2 Corrosive and erosive influences . 25
A.2.3 Integration of sub-systems . 27
A.2.4 Earth connection . 27
A.2.5 Power supply . 27
A.2.6 Climatic conditions . 30
A.2.7 EMC requirements . 31
A.2.8 Mechanical vibrations . 40
Bibliography . 42

Figure 1 – General layout of IEC 61069 . 7
Figure 2 – Relationship of terms with regard to SRD and SSD . 17
Figure 3 – Relation among function, module and element . 18
Figure 4 – Model of basic control systems . 20
Figure 5 – System properties . 21

Figure 6 – Sources of influencing factors . 22

Table 1 – Influencing factors examples . 23
3 3
Table A.1 – Concentration of gas and vapour contaminants (in cm /m ) . 26
Table A.2 – Aerosol contaminants . 26
Table A.3 – Climatic condition parameters and severities for classes of location . 31
Table A.4 – Test levels for RF fields . 32
Table A.5 – Test levels for electrical fast transient/burst . 34
Table A.6 – Test levels for surge protection . 36
Table A.7 – Test levels for RF induced disturbances . 37
Table A.8 – Test levels for power frequency magnetic fields . 38
Table A.9 – Test levels for pulse magnetic field . 39
Table A.10 – Test levels for damped oscillatory magnetic field . 39
Table A.11 – Test levels for voltage dips . 40
Table A.12 – Test levels for short interruptions . 40

– 4 – IEC 61069-1:2016 © IEC 2016
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
INDUSTRIAL-PROCESS MEASUREMENT, CONTROL AND AUTOMATION –
EVALUATION OF SYSTEM PROPERTIES
FOR THE PURPOSE OF SYSTEM ASSESSMENT –

Part 1: Terminology and basic concepts

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entruste
...