1、ICS 13.060.30Klranlagen Teil 12: Steuerung und AutomatisierungRef. No. DIN EN 12255-12 : 2003-12English price group 10 Sales No. 111004.04DEUTSCHE NORM December 2003EN 12255-12EN comprises 14 pages. No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut fr N
2、ormung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Wastewater treatment plantsPart 12: Control and automationEnglish version of DIN EN 12255-12European Standard EN 12255-12 : 2003 has the status of a DIN Standard.National
3、forewordThis standard has been prepared by CEN/TC 165 Wastewater engineering (Secretariat: Germany).The responsible German body involved in its preparation was the Normenausschuss Wasserwesen (WaterPractice Standards Committee), Technical Committee Abwasserbehandlungsanlagen.This European Standard i
4、s part of a series of standards dealing with wastewater treatment plants withinthe scope of the EC Directive on the approximation of the laws, regulations and administrative provisionsof the Member States relating to construction products.It should be noted that not all of the DIN Standards dealing
5、with wastewater treatment plants need yetbe withdrawn. This is in keeping with resolution 152/98 taken by CEN/BT, which states that wherepackages of EN Standards are concerned, it shall be permitted for the relevant national standards(DIN 19569 series) to remain valid for longer periods than usual,
6、until the EN package has been publishedin its entirety.In the case at hand, all of the relevant EN Standards have not yet been published, and CEN/TC hastherefore decided to extend the period of validity for relevant national standards until the end of 2002.It should be noted that the scope of the EN
7、 12255 series is not identical with that of the DIN 19569 series.English versionICS 13.060.30Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungWastewater treatment plantsPart 12: Control and automat
8、ion 2003. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN 12255-12 : 2003 EStations dpuration Partie 12:Rgulation et automatisationKlranlagen Teil 12: Steuerung undAutomatisierungThis European Standard was approved by CEN on 2003-08-
9、01.CEN members are bound to comply with the CEN/CENELEC InternalRegulations which stipulate the conditions for giving this European Standardthe status of a national standard without any alteration.Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on ap
10、plication to the Management Centre or to anyCEN member.The European Standards exist in three official versions (English, French,German). A version in any other language made by translation under theresponsibility of a CEN member into its own language and notified to theManagement Centre has the same
11、 status as the official versions.CEN members are the national standards bodies of Austria, Belgium, the CzechRepublic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland,Ireland, Italy, Luxembourg, Malta, the Netherlands, Norway, Portugal, Slovakia,Spain, Sweden, Switzerland, and the United
12、 Kingdom.|September 2003EN 12255-12Page 2EN 12255-12 : 2003Page14Page 3EN 12255-12 : 2003Page 4EN 12255-12 : 2003Page 5EN 12255-12 : 2003Page 6EN 12255-12 : 2003Page 7EN 12255-12 : 2003Page 8EN 12255-12 : 2003Page 9EN 12255-12 : 2003Page 10EN 12255-12 : 2003Page 11EN 12255-12 : 2003Page 12EN 12255-12 : 2003Page 13EN 12255-12 : 2003Page 14EN 12255-12 : 2003
