BSENIEC 61158-4-28:2023 BSl Standards Publication Industrial communication networks - Fieldbus specifications bsi. BSENIEC 61158-4-28:2023 BRITISH STANDARD National foreword This British Standard is the UK implementation of EN IEC 61158-4-28:2023. It is identical to IEC 61158-4-28:2023 The UK participation in its preparation was entrusted to Technical Committee GEL/65, Measurement and control. 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 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 2023 Published by BSI Standards Limited 2023 ISBN9780539119169 ICS25.040;25.040.40; 33.040.01; 33.040.40 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2023. Amendments/corrigenda issued since publication Date Textaffected BSENIEC61158-4-28:2023 EN IEC 61158-4-28 EUROPEANSTANDARD NORMEEUROPEENNE EUROPAISCHE NORM April 2023 ICS 25.040 English Version Industrial communication networks - Fieldbus specifications Part 4-28: Data-link layer protocol specification - Type 28 elements (IEC 61158-4-28:2023) Réseauxde communication industriels -Spécifications des IndustrielleKommunikationsnetze-Feldbusse-Teil 4-28: bus de terrain - Partie 4-28: Specification du protocole de la Protokollspezifikation des Data Link Layer couche liaison de donnees - Elements de type 28 (Sicherungsschicht) -Typ 28-Elemente (IEC 61158-4-28:2023) (IEC 61158-4-28:2023) This European Standard was approved by CENELEC on 2023-04-11. 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 notifiedto the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the nationalelectrotechnical committees 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, Turkiye and the United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comite Europeen de Normalisation Electrotechnique Europaisches Komitee fur Elektrotechnische Normung CEN-CENELEC Management Centre:Rue de la Science23,B-1040 Brussels @ 2023 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN IEC 61158-4-28:2023 E