Omron CJ1W-CT021 Operation Manual page 5

Notice:
OMRON products are manufactured for use according to proper procedures by a qualified operator and
only for the purposes described in this manual.
The following conventions are used to indicate and classify precautions in this manual. Always pay atten-
tion to the information provided with them. Failure to comply with the precautions can result in injury to peo-
ple or damage to the product.
!DANGER
!WARNING
!Caution
OMRON Product References
All OMRON products are capitalised in this manual. The word "Unit" is also capitalised when it refers to an
OMRON product, regardless of whether or not it appears in the proper name of the product.
The abbreviation "Ch," which appears in some displays and on some OMRON products, often means
"word" and is abbreviated "Wd" in documentation in this sense.
The abbreviation "PLC" means Programmable Logic Controller and is not used as an abbreviation for any-
thing else.
Visual Aids
The following headings appear in the left column of the manual to help you locate different types of infor-
mation.
1, 2, 3...

OMRON, 2001
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.
Indicates an imminently hazardous situation which, if not avoided, will
result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided, could
result in death or serious injury.
Indicates an potentially hazardous situation which, if not avoided, may
result in minor or moderate injury, or property damage.
Note Indicates information of particular interest for efficient and convenient operation of
the product.
Indicates lists of one sort or another, such as procedures, checklists, etc.
v