1
  Preface
E5@C Digital Temperature Controllers User’s Manual (H174)
Preface
Thank you for purchasing an E5@C Digital Controller.
This manual describes how to use the E5@C. Read this manual thoroughly and be sure you understand
it before attempting to use the Digital Controller and use the Digital Controller correctly according to the
information provided. Keep this manual in a safe place for easy reference. Refer to the E5
@
C Digital
Controllers Communications Manual (Cat. No. H175) for information on communications.
© OMRON, 2011-2019
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form, 
or by any means, mechanical, electronic, photocopying, recording, or otherwise, without the prior written permission of 
OMRON.
No patent liability is assumed with respect to the use of the information contained herein. Moreover, because OMRON is 
constantly striving to improve its high-quality products, the information contained in this manual is subject to change 
without notice. Every precaution has been taken in the preparation of this manual. Nevertheless, OMRON assumes no 
responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the 
information contained in this publication.