Omron E5CN User Manual page 4

Preface
The E5CN, E5CN-U, E5AN, and E5EN are Digital Temperature Controllers. The E5CN and E5CN-U
are both compact temperature controllers, with the E5CN featuring screw terminal connections, and
the E5CN-U featuring socket pin connections. The main functions and characteristics of these Digital
Temperature Controllers are as follows:
This manual describes the E5CN, E5CN-U, E5AN, and E5EN. Read this manual thoroughly and be
sure you understand it before attempting to use the Digital Temperature Controller and use the Digital
Temperature Controller correctly according to the information provided. Keep this manual in a safe
place for easy reference. Refer to the following manual for further information on communications:
E5CN/E5AN/E5EN Digital Temperature Controllers Communications Manual Basic Type (Cat. No.
H158).
Visual Aids
The following headings appear in the left column of the manual to help you locate different types of
information.
1,2,3...
 OMRON, 2008
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 con-
stantly 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.
• Any of the following types of input can be used: thermocouple, platinum
resistance thermometer, infrared sensor, analog voltage, or analog cur-
rent.
• Either standard or heating/cooling control can be performed.
• Both auto-tuning and self-tuning are supported.
• Event inputs can be used to switch set points (multi-SP function), switch
between RUN and STOP status, switch between automatic and manual
operation, start/reset the simple program function, and perform other
operations. (Event inputs are not applicable to the E5CN-U.)
• Heater burnout detection, heater short (HS) alarms, and heater overcur-
rent (OC) functions are supported. (Applicable to E5CN, E5AN, and
E5EN models with heater burnout detection function.)
• Communications are supported. (Applicable to E5CN, E5AN, and E5EN
models with communications.)
• User calibration of the sensor input is supported.
• The structure is waterproof (IP66). (Not applicable to the E5CN-U.)
• Conforms to UL, CSA, and IEC safety standards and EMC Directive.
• The PV display color can be switched to make process status easy to
understand at a glance.
Note Indicates information of particular interest for efficient and convenient opera-
tion of the product.
1. Indicates lists of one sort or another, such as procedures, checklists, etc.
v