ISO INTERNATIONAL STANDARD 14617-6 First edition 2002-09-01 Graphical symbols for diagrams Part 6: Measurement and control functions Symboles graphiques pour schémas Partie 6: Fonctions de mesurage et de controle Reference number ISO 14617-6:2002(E) ISO @ ISO 2002 py IHS under ted without license from IHS Not for Resale ISO 14617-6:2002(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The IsO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by isO member bodies. In the unlikely event @ISO2002 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.ch Printed in Switzerland @ISO2002-All rights reserved ermittedwithoutlicense from IHS Not for Resale ISO 14617-6:2002(E) Contents Page Foreword iv Introductior 1 Scope 2 Normative references.. 3 Terms and definitions. 4 Functional links and junctions 5 Point of measurement. 6 Operation of final controlling elements 7 Information-processing functions. .10 8 Binary logic functions 9 Back-up functions . 20 10 Examplesofuseofsymbolsincontrolloops .21 Bibliography.... ili d by IHS under license with se from IHS Not for Resale