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Challenges and Approaches for Selecting, Assessing and Qualifying Commercial Industrial Digital Instrumentation and Control Equipment for Use in Nuclear Power Plant Applications

IAEA Nuclear Energy Series No. NR-T-3.31

English STI/PUB/1871 ¦ 978-92-0-105019-9

81 pages ¦ 7 figures ¦ € 38.00 ¦ Date published: 2020

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The focus of this publication is on the activities required to demonstrate the suitability of commercial off the shelf (COTS) digital instrumentation and control equipment for use in nuclear safety applications. The publication provides a detailed discussion of the typical challenges associated with the use of COTS devices, including issues associated with unique vulnerabilities and features of digital products. It outlines the strategy for digital COTS device assessment and qualification and describes the typical elements of the process. The publication addresses the specific steps of any justification, including identifying the requirements, selection of the supplier and candidate equipment, planning, assessment and identification of equipment life issues, suitability evaluation and all associated documentation. Maintaining the compliance of COTS devices as well as related regulatory aspects are also covered.

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Nuclear Energy Series, Digital Instrumentation, Control Equipment, COTS, Commercial Off The Shelf, Nuclear Safety Applications, Nuclear Safety, Safety, Applications, Challenges, Approaches, Vulnerabilities, Features, Digital Products, Device Assessment, Assessment, Supplier Selection, Commercial Industrial Digital Instrumentation, Control Equipment, Device, Hardware, Software, Strategy, Justification, Process, Maintenance, Regulatory Aspects, Qualification, BOM, Bill of Materials, SIL, Safety Integrity Level, CCF, Common Cause Failure, FTA, Fault Tree Analysis, V&V, Verification and Validation, SAP, Safety Assessment Principle, NPP, Nuclear Power Plant

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