PD CLC IEC/TS 60079-47:2021 BSl Standards Publication Explosive atmospheres Part 47: Equipment protection by 2-wire intrinsically safe Ethernet concept (2-WISE) bsi. PD CLCIEC/TS 60079-47:2021 PUBLISHED DOCUMENT National foreword This Published Document is the UK implementation of CLC IEC/TS 60079-47:2021. It is identical to IEC TS 60079-47:2021. It supersedes PD IEC TS 60079-47:2021, which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee EXL/31, Equipment for explosive atmospheres. 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. This publication is not to be regarded as a British Standard. @ The British Standards Institution 2021 Published by BSI Standards Limited 2021 ISBN 978 053918801 1 ICS 29.260.20 Compliance with a Published Document cannot confer immunity from legal obligations. This Published Document was published under the authority of the Standards Policy and Strategy Committee on 28 February 2021. Amendments/corrigenda issued since publication Date Textaffected 31 August 2021 This corrigendum renumbers PD IEC TS 60079- 47:2021as PD CLC IEC/TS 60079-47:2021 PDCLCIEC/TS60079-47:2021 CLC IEC/TS 60079-47 TECHNICAL SPECIFICATION SPECIFICATION TECHNIQUE TECHNISCHE SPEZIFIKATION July 2021 ICS 29.260.20 English Version Explosive atmospheres - Part 47: Equipment protection by 2- wire intrinsically safe Ethernet concept (2-WiSE) (IEC/TS 60079-47:2021) Atmospheres explosives - Partie 47: Protection du materiel Explosionsgefahrdete Bereiche - Teil 47: Gerateschutz par le concept Ethernet de securite intrinseque a 2 fils (2- durch eigensicheres 2-Draht-Ethernet-Konzept (2-WISE) WISE) (IEC/TS60079-47:2021) (IEC/TS 60079-47:2021) This Technical Specification was approved by CENELEC on 2021-07-05. CENELEC members are required to announce the existence of this TS in the same way as for an EN and to make the TS available promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force. CENELEC members are the national electrotechnical 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, Turkey and the United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comite Europeen de Normalisation Electrotechnique Europaisches Komitee fuir Elektrotechnische Normung CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels @2021CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. CLC IEC/TS 60079-47:2021 E