SYSMAC CP Series - CP1H/CP1L CPU Unit - Programming Manual - Revised May 2007

Oct 23, 2026

SYSMAC CP Series CP1H/CP1L CPU Unit Programming Manual describes safety precautions, OMRON product reference conventions, and visual aids used throughout the documentation. It introduces “unit versions” for managing functionality differences across CP-series CPU Unit upgrades and explains where the unit version appears on the product nameplate. The manual details how to confirm unit versions using OMRON support software (CX-Programmer), contrasting methods for CP1H versus CP1L and outlining PLC Information versus Unit Manufacturing Information workflows.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages1175

Reading Time49 h 21 min

AccessFree to download

Notice

Product References and Visual Aids

Unit Versions of CP-series CPU Units

Confirming Unit Versions with Support Software

PLC Information

Unit Manufacturing Information (CP1H CPU Units Only)

Cat. No. W451-E1-03 SYSMAC CP Series CP1H-X40D @-@, CP1H-XA40D @-@, CP1H-Y20DT-D CP1L-L14D @-@, CP1L-L20D @-@, CP1L-M30D @-@, CP1L-M40D @-@ CP1H/CP1L CPU Unit PROGRAMMING MANUAL SYSMAC CP Series CP1H-X40D @-@, CP1H-XA40D @-@, CP1H-Y20DT-D CP1H CPU Units CP1L-L14D @-@, CP1L-L20D @-@, CP1L-M30D @-@, CP1L-M40D@-@ CP1L CPU Units Programming Manual Revised May 2007 iv 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 heed the information provided with them. Failure to heed precautions can result in injury to people or damage to property. !DANGER Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. Additionally, there may be severe property damage. !WARNING Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. Additionally, there may be severe property damage. !Caution Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury, or property damage. OMRON Product References All OMRON products are capitalized in this manual. The word “Unit” is also capitalized 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 Controller. “PC” is used, however, in some CX-Programmer displays to mean Programmable Controller. Visual Aids The following headings appear in the left column of the manual to help you locate different types of information. Note Indicates 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, 2005 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. Unit Versions of CP-series CPU Units Unit Versions Notation of Unit Versionson Products Confirming Unit Versions with Support Software Note Note A “unit version” has been introduced to manage CPU Units in the CP Series according to differences in functionality accompanying Unit upgrades. The unit version is given to the right of the lot number on the nameplate of the products for which unit versions are being managed, as shown below. CP-series CPU Unit Product nameplate | CP1H-XA40DR-A
CPU UNIT | | --- | | | | Lot No. 28705 0000 Ver.1.0
OMRON Corporation MADE IN JAPAN | Lot No. Unit version (Example for Unit version 1.0) The methods used to confirm the unit version for the CP-series CP1H and CP1L CPU Units are somewhat different. CP1H CPU Units CX-Programmer version 6.1 or higher can be used to confirm the unit version using one of the following two methods. (See note.) • Using the PLC Information • Using the Unit Manufacturing Information CX-Programmer versions lower than version 6.1 cannot be used to confirm unit versions for CP1L CPU Units. CP1L

FAQs

What safety precautions are covered in the manual’s notice section?

The notice defines !DANGER, !WARNING, and !Caution and instructs operators to follow the indicated conventions. Ignoring precautions may cause injury or property damage.

What is a “unit version” for CP-series CPU Units?

A unit version is introduced to manage CP Series CPU Units based on functionality differences that come with Unit upgrades. The unit version is shown on the right side of the lot number on the product nameplate.

How can the unit version be confirmed using CX-Programmer?

For CP1H, CX-Programmer version 6.1 or higher can confirm via PLC Information or Unit Manufacturing Information. For CP1L, CX-Programmer version 7.1 or higher confirms via PLC Information only, and Unit Manufacturing Information cannot be used.

Oct 23, 2026

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