BSENIEC 61784-3-8:2021 BSl Standards Publication Industrial communication networks Profiles Part 3-8: Functional safety fieldbuses Additional specifications for CPF8 bsi. BSEN IEC 61784-3-8:2021 BRITISH STANDARD National foreword This British Standard is the UK implementation of EN IEC 61784-3-8:2021. It is identical to IEC 61784-3-8:2021. It supersedes BS EN 61784-3-8:2017, which will be withdrawn on 23 June 2024. The UK participation in its preparation was entrusted to Technical Committee GEL/65/3, Industrial communications: process measurement and control, including fieldbus. A list of organizations represented on this committee can be obtained on request to its committee manager. Contractual and legal considerations This publication has been prepared in good faith, however no representation, warranty, assurance or undertaking (express or implied) is or will be made, and no responsibility or liability is or will be accepted by BSI in relation to the adequacy, accuracy, completeness or reasonableness of this publication. All and any such responsibility and liability is expressly disclaimed to the full extent permitted by the law. This publication is provided as is, and is to be used at the recipient's own risk. The recipient is advised to consider seeking professional guidance with respect to its use of this publication. This publication is not intended to constitute a contract. Users are responsible for its correct application. @ The British Standards Institution 2021 Published by BSI Standards Limited 2021 ISBN9780539180923 ICS 25.040.40; 35.100.05 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Amendments/corrigenda issued since publication Date Text affected BS EN IEC 61784-3-8:2021 EN IEC 61784-3-8 EUROPEANSTANDARD NORMEEUROPEENNE EUROPAISCHE NORM June2021 ICS 25.040.40; 35.100.05 Supersedes EN 61784-3-8:2017 and all of its amendments and corrigenda (if any) English Version Industrial communication networks - Profiles - Part 3-8 Functional safety fieldbuses - Additional specifications for CPF8 (IEC 61784-3-8:2021) Reseaux de communication industriels - Profils - Partie 3-8: IndustrielleKommunikationsnetze-Profile-Teil 3-8: Bus de terrain de sécurite fonctionnelle -Specifications Funktional sichere Ubertragung bei Feldbussen - supplementaires pour CPF 8 Zusatzliche Festlegungen fur die (IEC 61784-3-8:2021) Kommunikationsprofilfamilie 8 (IEC 61784-3-8:2021) This European Standard was approved by CENELEC on 2021-06-23. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical commitees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comite Europeen de Normalisation Electrotechnique Europaisches Komitee fur Elektrotechnische Normung CEN-CENELECManagementCentre:RuedelaScience23,B-1040Brussels @ 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. R