IEC TS 63164-1:2020

IEC TS 63164-1 ®
Edition 1.0 2020-02
TECHNICAL
SPECIFICATION
colour
inside
Reliability of industrial automation devices and systems –
Part 1: Assurance of automation devices reliability data and specification
of their source
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IEC TS 63164-1 ®
Edition 1.0 2020-02
TECHNICAL
SPECIFICATION
colour
inside
Reliability of industrial automation devices and systems –

Part 1: Assurance of automation devices reliability data and specification

of their source
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 25.040 ISBN 978-2-8322-7809-3

– 2 – IEC TS 63164-1:2020  IEC 2020
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms, definitions, symbols and abbreviated terms . 7
3.1 Terms and definitions . 7
3.2 Abbreviated terms . 10
4 Form to present reliability data . 10
5 Conformance . 10
6 Requirements on the assurance of reliability data . 10
6.1 Assurance of reliability data derived from calculation . 10
6.1.1 General requirements . 10
6.1.2 Method based on calculation . 11
6.1.3 Data information . 11
6.2 Assurance of reliability data derived from observations of devices in the field . 11
6.2.1 General requirements . 11
6.2.2 Method based on observations of devices in the field . 11
6.2.3 Data information . 11
6.3 Assurance of reliability data derived from laboratory tests . 12
6.3.1 General requirements . 12
6.3.2 Method based on durability test results . 12
6.3.3 Data information . 12
Annex A (informative) Methods to collect reliability data from the field . 13
A.1 General . 13
A.2 Objectives of reliability data collection . 13
A.3 Specification of the type of data collected . 14
A.4 Data sources . 15
A.5 Analysis methods and their required data . 15
A.6 Planning . 16
A.7 Approaches to data collection . 16
A.8 Methods of condition monitoring and required resources . 16
Annex B (informative) Calculation of MTTF and MTBF derived from λ for a device or
subsystem . 17
B.1 General . 17
B.2 Determination of the failure rate λ under operating conditions . 17
B.3 Determination of MTBF . 17
B.4 Example of electronic circuit . 18
Annex C (informative) Differentiation between systematic failure and random hardware
failure . 20
C.1 General . 20
C.2 Criteria for failure classification . 20
C.3 Examples . 22
C.3.1 Fatigue . 22
C.3.2 Installation fault . 22
Bibliography . 24

Figure A.1 – Exemplary definition of automation device . 14
Figure B.1 – Example of electronic circuit . 18
Figure C.1 – Example of fatigue . 22
Figure C.2 – Example of installation fault . 23

Table A.1 – Data requirements for dependability methods, why they should be used,
and IEC reference . 16
Table C.1 – Classification of failures by cause . 20
Table C.2 – Classification of failures by phenomenon . 21
Table C.3 – Example for failure collection and evaluation . 21

– 4 – IEC TS 63164-1:2020  IEC 2020
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
RELIABILITY OF INDUSTRIAL AUTOMATION
DEVICES AND SYSTEMS –
Part 1: Assurance of automation devices
reliability data and specification of their source

FOREWORD
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Technical Specifications are subject to review within three years of publication to decide
whether they can be transformed into International Standards.
Technical Specification IEC TS 63164-1 has been prepared by IEC technical committee 65:
Industrial-process measurement, control and automation.

The text of this technical specification is based on the following documents:
DTS Report on voting
65/744/DTS 65/767/RVDTS
Full information on the voting for the approval of this technical specification can be found in
the report on voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts of the IEC 63164 series, published under the general title, Reliability of
industrial automation devices and sy
...