ISO INTERNATIONAL STANDARD 24631-7 First edition 2012-12-01 Radiofrequency identification of animals - Part 7: Synchronization of IS0 11785 identification systems Identification des animaux par radiofréquence - Partie 7: Synchronisation des systemes d'identification conformes a I'ISO11785 Reference number IS0 24631-7:2012(E) ISO ovided by IHS under license with ISO @IS02012 IS0 24631-7:2012(E) COPYRIGHT PROTECTED DOCUMENT IS0 2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IsO at the addressbeloworIso'smemberbodyinthecountryoftherequester. ISO copyright office Case postale 56 : CH-1211 Geneva 20 Tel.+41227490111 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ii Provided by IHS under license with ISO @ IS0 2012 - All rights reserved IS0 24631-7:2012(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative reference 3 Terms and definitions 4 Abbreviations. ..2 5 Synchronization protocol 2 5.1 HDX detection .2 5.2 FDXdetection 2 5.3 MRS (Mobile Reader Sync) 3 5.4 Synchronization signals .3 5.5 Reader states .3 5.6 Period extensions 4 5.7 Possible situations 4 5.8 Possible error situations .6 6 System overview ..7 7 Electrical specifications of bus ..8 8 Synchronization method 9 Hardware suggestion for the synchronization circuit ..11 9.1 Logic block. .12 9.2 Synchronization detector. 9.3 Transformer specifications 13 Annex A (normative) Synchronization timing diagram ..15 Bibliography .17 @ IS0 2012 - All rights reserved iii Provided by IHS under license with ISO