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Control systems in the process industry - Electrical and instrumentation loop check
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STANDARD published on 14.8.2024
Designation standards: IEC 62382-ed.3.0
Publication date standards: 14.8.2024
SKU: NS-1194788
The number of pages: 54
Approximate weight : 162 g (0.36 lbs)
Country: International technical standard
Category: Technical standards IEC
IEC 62382:2024 defines procedures and specifications for loop check, which comprises the activities between the completion of the loop construction (including installation and point-to-point checks) and the beginning of cold commissioning. This document is applicable for the construction of new plants and for expansion or retrofits (i.e. revamping) of electrical and instrument (E&I) installations in existing plants (including PLC, DCS, panel-mounted and field instrumentation). It does not include a detailed checkout of power distribution systems, except as they relate to the loops being checked (i.e. a motor starter or a power supply to a four-wire transmitter). Loop checks can be performed throughout the lifecycle of the plant. This document is also applicable when loop checks are performed after commissioning. This document describes what is intended to be tested but not how the test is performed, due to the wide range of technologies and equipment available. The intent of this document is to provide a means for all parties, including the owner, the installer and the vendor, to clearly establish and agree on the scope of activities and responsibilities involved in performing these tests in order to achieve a timely delivery and acceptance of the automation system. The activities described in this document can be taken as a guideline and adapted to the specific requirements of the process, plant or equipment. This edition includes the following significant technical changes with respect to the previous edition: a) general re-organization of the content of the previous edition, moving informative content to the annexes; b) replacing the forms based on I/O type in IEC 62382:2012, Annex A to Annex E with an example of a generic loop check form; c) providing additional references to other applicable standards. IEC 62382:2024 definit les procedures et les specifications relatives a un controle de boucle, qui se compose des activites comprises entre l’achevement de la construction de la boucle (installation et controles de point a point) et le debut de la mise en service a froid. Il sapplique a la construction de nouvelles usines, ainsi qua lextension ou a la modernisation des installations de systemes electriques et instruments de fonctionnement (E&I - electrical & instrument) dans les usines existantes (PLC - programmable logic controller, DCS - distributed control system, appareils montes sur panneau et appareils de terrain compris). Elle ne comprend pas de verification detaillee des reseaux de distribution delectricite, hormis dans la mesure ou ils sont rattaches aux boucles faisant lobjet du controle (cest-a-dire dans le cas dun demarreur de moteur ou dune alimentation electrique pour un transmetteur a quatre fils). Les controles de boucle peuvent etre effectues tout au long du cycle de vie de l’usine. Le present document sapplique egalement aux controles de boucle effectues apres la mise en service. Le present document decrit ce qui est destine a etre soumis a l’essai et non la methode d’essai en raison de la large plage de technologies et d’equipements disponibles. Le present document a pour objet de permettre a toutes les parties, y compris le maitre d’ouvrage, l’acheteur et l’installateur, de definir clairement et de convenir de l’etendue des activites et des responsabilites liees a lexecution de ces essais, afin de finaliser la livraison et lacceptation des systemes d’automatisation dans les delais prevus. Les activites decrites dans le present document peuvent etre considerees comme des lignes directrices et etre adaptees aux exigences specifiques du processus, de lusine ou de lequipement. Cette troisieme edition annule et remplace la deuxieme edition parue en 2012. Cette edition constitue une revision technique. Les principales modifications par rapport a ledition precedente sont les suivantes: a) reorganisation generale du contenu de l’edition precedente, en deplacant le contenu informatif vers les annexes; b) remplacement, dans les Annexes A a E de l’IEC 62382, des formulaires fondes sur le type d’E/S par un exemple de formulaire generique de controle de boucle; c) ajout de references supplementaires a d’autres normes applicables.
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