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STANDARD
SIST EN 12255-12:2004
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 12255-12September 2003ICS 13.060.30English versionWastewater treatment plants - Part 12: Control and automationStations d'épuration - Partie 12: Régulation etautomatisationKläranlagen - Teil 12: Steuerung und AutomatisierungThis European Standard was approved by CEN on 1 August 2003.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and UnitedKingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2003 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12255-12:2003 ESIST EN 12255-12:2004
EN 12255-12 :2003 (E)2ContentspageForeword.31Scope.42Normative references.43Terms and definitions.44General requirements.55Design requirements and automation concept.65.1Input data for the design of the automation system.65.1.1General.65.1.2Instrumentation and automation systems.65.1.3Plant operating conditions.65.2Automation concept.76Design and implementation.86.1Tendering.86.1.1General.86.1.2Functional tendering.86.1.3Sectional tendering.86.2Basic design.96.3Detail design.96.4Implementation, test and take over.
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