Omron CJ1W-CTL41-E Installation manual

Cat. No. W02E-EN-01 Note: Specifications subject to change without notice.
SYSMAC CJ-series CJ1W-CTL41-E 4-Channel Counter Unit OPERATION MANUALCat. No. W02E-EN-01
OPERATION MANUAL
4-Channel Counter Unit
SYSMAC CJ-series
CJ1W-CTL41-E
Cat. No. W02E-EN-01
Authorised Distributor:
Printed in Europe
W02E-EN-01_CJ1W-counter-unit.qxd 27.09.2004 13:26 Seite 1

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SYSMAC CJ-series
CJ1W-CTL41-E
4-Channel Counter Unit
Operation Manual
Produced September 2004

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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 Indicates an imminently hazardous situation which, if not avoided, will
result in death or serious injury.
!WARNING Indicates a potentially hazardous situation which, if not avoided, could
result in death or serious injury.
!Caution Indicates an potentially hazardous situation which, if not avoided, may
result in minor or moderate injury, or property damage.
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.
Note Indicates information of particular interest for efficient and convenient operation of
the product.
1, 2, 3… Indicates lists of one sort or another, such as procedures, checklists, etc.
©OMRON, 2004
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.

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TABLE OF CONTENTS
PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix
1 Intended Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x
2 General Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x
3 Safety Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x
4 Operating Environment Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
5 Application Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xii
6 EC Directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
SECTION 1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1-1 Features and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1-2 Basic Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1-3 Specifications and Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1-4 Quick Start Up Reference Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1-5 Operating Procedure Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1-6 Application Areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
SECTION 2
Components, Installation and Wiring . . . . . . . . . . . . . . . . . 15
2-1 Components and Switch Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2-2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2-3 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
SECTION 3
Operation and Configuration . . . . . . . . . . . . . . . . . . . . . . . . 27
3-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
3-2 Counter Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
3-3 Input Signal Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
3-4 Controlling a Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
3-5 Output Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
3-6 Reset Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
3-7 Extra Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
SECTION 4
Exchanging Data with CPU. . . . . . . . . . . . . . . . . . . . . . . . . . 57
4-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
4-2 Memory Allocation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
4-3 IOWR-Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
4-4 IORD-Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
4-5 Supported IOWR/IORD-Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
4-6 Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

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TABLE OF CONTENTS
SECTION 5
Error Processing, Maintenance and Inspection . . . . . . . . . 91
5-1 Error Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
5-2 Error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
5-3 Maintenance and Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Appendices
A Using Input Terminal Block Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
B Assigning External Interrupt Tasks to Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
C Application Restrictions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105
D Comparison between CJ1W-CTL41-E and other Counter Units . . . . . . . . . . . . . . . . . . . . . 107
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

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About this Manual:
This manual describes the installation and operation of the CJ1W-CTL41-E Counter Unit and includes the
sections described below. Please read this manual carefully and be sure you understand the information
provided before attempting to install or operate the CJ1W-CTL41-E Counter Unit.
Be sure to read the precautions provided in the following sections.
Section 1 introduces the CJ1W-CTL41-E Counter Unit and describes the features, functions, and specifi-
cations. It gives short instructions on how to operate the Unit.
Section 2 provides information about components, wiring and installation of the CJ1W-CTL41-E Counter
Unit.
Section 3 provides information about configuration and operation of the CJ1W-CTL41-E Counter Unit.
Section 4 provides information on the data-exchange and the communication interface between the
CJ1W-CTL41-E Counter Unit and the PLC CPU.
Section 5 provides details of the CJ1W-CTL41-E Counter Unit’s errors, error -codes and indicators and
guidelines for troubleshooting.
The Appendices describe a comparison with CQM1-CBT41 and CJ1W-CTL41-E Counter Units, the use
of Terminal Block Units, and the numbering of External Interrupt Tasks to Outputs.
All through this manual where a double word is defined as for instance “n+2, n+3” this must be interpreted
as follows:
!WARNING Failure to read and understand the information provided in this manual may
result in personal injury or death, damage to the product, or product failure.
Please read each section in its entirety and be sure you understand the informa-
tion provided in the section and related sections before attempting any of the pro-
cedures or operations given.
n+3 (MSW) n+2 (LSW)
sign x106x105x104x103x102x101x100:BCD Double Word
0 = + (positive)
F = - (negative)
n+3 (MSW) n+2 (LSW)
x167x166x165x164x163x162x161x160:Hexadecimal Double Word
LSW = Least Significant Word
MSW = Most Significant word

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PRECAUTIONS
This section provides general precautions for using the Programmable Controller (PLC) and the Counter Unit.
The information contained in this section is important for the safe and reliable application of the Counter Unit. You
must read this section and understand the information contained before attempting to set up or operate a Counter
Unit and PLC system.
1 Intended Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x
2 General Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x
3 Safety Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x
4 Operating Environment Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
5 Application Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xii
6 EC Directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv