欧姆龙PLC操作手册_c20p_c28p_c40p_c60p

Cat. No. W167-E1-4A

SYSMACProgrammable ControllersC20P/C28P/C40P/C60PP-type Programmable Controllers

Installation Guide

Revised July 1994

C20PC60PC60PC20Piv

Notice:

OMRON products are manufactured for use according to proper procedures by a qualified operatorand only for the purposes described in this manual.

The following conventions are used to indicate and classify precautions in this manual. Always heedthe information provided with them. Failure to heed precautions can result in injury to people or dam-age to the product.

DANGER!

Indicates information that, if not heeded, is likely to result in loss of life or seriousinjury.

WARNINGIndicates information that, if not heeded, could possibly result in loss of life or

serious injury.

Caution

Indicates information that, if not heeded, could result in relative serious or minorinjury, damage to the product, or faulty operation.

OMRON Product References

All OMRON products are capitalized in this manual. The word “Unit” is also capitalized when it refersto 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 “PC” means Programmable 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 ofinformation.

NoteIndicates information of particular interest for efficient and convenient operation

of the product.1, 2, 3...

1.Indicates lists of one sort or another, such as procedures, checklists, etc.

?OMRON, 1989

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in anyform, or by any means, mechanical, electronic, photocopying, recording, or otherwise, without the prior written permis-sion of OMRON.

No patent liability is assumed with respect to the use of the information contained herein. Moreover, because OMRON isconstantly striving to improve its high–quality products, the information contained in this manual is subject to changewithout notice. Every precaution has been taken in the preparation of this manual. Nevertheless, OMRON assumes noresponsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the informa-tion contained in this publication.

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