BSENIEC61158-4-28:2023 BSl Standards Publication Industrial communication networks - Fieldbus specifications bsi. BSENIEC61158-4-28:2023 BRITISH STANDARD Nationalforeword This British Standard is the UK implementation of ENIEC61158-4-28:2023.ItisidenticaltoIEC61158-4-28:2023 TheUKparticipationinitspreparation was entrustedtoTechnical CommitteeGEL/65,Measurementandcontrol. A list of organizations represented on this committee can be obtained on requestto its committee manager. Contractualandlegalconsiderations This publication has been prepared in good faith, however no representation, warranty, assurance or undertaking (express or implied) is or will bemade, and no responsibility or liability is or will be reasonableness of this publication. All and any such responsibility and liabilityis expresslydisclaimed tothefull extentpermitted bythelaw. 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 respectto itsuse ofthispublication. This publication is not intended to constitute a contract. Users are responsiblefor its correctapplication. @The British Standards Institution 2023 PublishedbyBSIStandardsLimited2023 ISBN9780539119169 ICS25.040;25.040.40;33.040.01;33.040.40 Compliancewith aBritish Standard cannot confer immunityfrom legal obligations. This British Standard was published under the authority of the StandardsPolicyandStrategyCommitteeon30April2023. Amendments/corrigendaissued sincepublication Date Text affected BSENIEC61158-4-28:2023 EN IEC 61158-4-28 EUROPEANSTANDARD NORMEEUROPEENNE EUROPAISCHENORM April 2023 ICS 25.040 English Version Industrial communicationnetworks-Fieldbusspecifications Part 4-28: Data-link layer protocol specification - Type 28 elements (IEC 61158-4-28:2023) Reseaux de communication industriels -Specifications des Industrielle Kommunikationsnetze - 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 notified to the CEN-CENELEC Management Centre has the same status as the official versions. 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 Tarkiye and the United Kingdom. European CommitteeforElectrotechnical Standardization Comite Europeen de Normalisation Electrotechnique Europaisches Komitee fir Elektrotechnische Normung CEN-CENELEC Management Centre: Rue de la Science 23, 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