CSA C900 3-2006 Heat meters - Part 3 Data exchange and interfaces (First Edition).pdf

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1、C900.3-06(EN 1434-3:1997)(reaffirmed 2011)Heat meters Part 3: Data exchange and interfacesLegalNoticeforStandardsCanadian Standards Association (CSA) standards are developed through a consensus standards development process approved by theStandards Council of Canada. This process brings together vol

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16、ately. Use of thisdocument constitutes your acceptance of the terms and conditions of this Legal Notice.Published in September 2006 by Canadian Standards AssociationA not-for-profit private sector organization5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N61-800-463-6727 416-747-40

17、44Visit our Online Store at www.ShopCSA.caC900.3-06(EN 1434-3:1997)Heat meters Part 3: Data exchange and interfacesCSA StandardC900.3-06 Heat meters Part 3: Data exchange and interfacesCSA/2 Canadian Standards Association September 2006C900.3-06Heat meters Part 3: Data exchange and interfacesCSA Pre

18、faceThis is the first edition of CSA C900.3, Heat meters Part 3: Data exchange and interfaces, which is an adoption without modification of the identically titled CEN (European Committee for Standardization) Standard EN 1434-3 (first edition, 1997-02). This Standard is considered suitable for use fo

19、r conformity assessment within the stated scope of the Standard.This Standard was reviewed for Canadian adoption by the CSA Technical Committee on Thermal Energy Meters, under the jurisdiction of the Strategic Steering Committee on Performance, Energy Efficiency, and Renewables, and has been formall

20、y approved by the Technical Committee. A list of the members of the Technical Committee is available upon request.September 2006 Canadian Standards Association 2006All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission ofthe publisher.

21、CEN material is reprinted with permission.Inquiries regarding this CSA Standard should be addressed toCanadian Standards Association5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N61-800-463-6727 416-747-4000www.csa.caTo purchase CSA Standards and related publications, visit CSAs On

22、line Store at www.ShopCSA.ca or call toll-free 1-800-463-6727 or 416-747-4044.Page 3 EN 1434-3: 1997 Foreword This draft European Standard has been prepared by Technical Committee CENITC 176 “Heat meters“, the secretariat of which is held by DS. The other parts are: Part I - General requirements Par

23、t 2 - Constructional requirements Part 4 - Pattern approval tests Part 5 - Initial verification tests Part 6 - Heat meter installation, commissioning, operational monitoring and maintenance This European Standard shall be given the status of a national standard, either by publication of an identical

24、 text or by endorsement, at the latest by August 1997, and conflicting national standards shall be withdrawn at the latest by August 1997. According to the CENICENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard:

25、 Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. 1 Scope This European standard applies to heat meters, that is to instruments intended for measuring the heat which, in

26、 a heat-exchange circuit, is absorbed or given up by a liquid called the energy-conveying liquid. The meter indicates heat in legal units. Electrical safety requirements are not covered by this standard. Part 3 specifies the data exchange between a meter and a read-out device (POINT / POINT communic

27、ation). For these applications using the optical readout head and the CL interface, the EN 61 107 protocol is recommended. Further stipulations are set out for the data communication between several meters and one master unit in a local network (MULTI-POINT communication). This can be done with a fe

28、w meters with a hand held master unit by using the inductive interface on the Meter-Bus (in the following called the M-Bus). For bigger networks with up to 250 meters, a master unit with AC mains supply is necessary to control the M-Bus. For these applications a protocol according to EN 60870-5 is recommended. CSA C900.3-06