Omron K3NP - 1998 User manual

K3NP Period Meter
Operation Manual
Produced January 1998

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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 heed
the 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 serious injury.
WARNING Indicates 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 relatively serious or minor injury, dam-
age 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 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 “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 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.
ÓOMRON, 1998
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 permis-
sion 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 informa-
tion contained in this publication.

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TABLE OF CONTENTS
vii
PRECAUTIONS xi.................................
1 General Precautions xii..........................................................
2 Safety Precautions xii...........................................................
3 Application Precautions xii......................................................
4 Noise Prevention xiii............................................................
SECTION 1
Introduction 1....................................
1-1 Features 2...............................................................
1-2 Front of the Meter 3.......................................................
1-3 Rear of the Meter 6........................................................
1-4 Modes 7.................................................................
1-5 Communications Function 8.................................................
SECTION 2
Setup 9..........................................
2-1 Mounting 10..............................................................
2-2 Input Block 11.............................................................
2-3 Output Board 14...........................................................
SECTION 3
Operating Modes 19................................
3-1 Passing Speed: F1 20........................................................
3-2 Cycle: F2 23..............................................................
3-3 Time Difference: F3 25......................................................
3-4 Elapsed Time: F4 28........................................................
3-5 Length Measurement: F5 31..................................................
3-6 Interval: F6 34.............................................................
SECTION 4
Parameter Setting 37...............................
4-1 Overview 38..............................................................
4-2 Setting Mode 39...........................................................
4-3 Protect Mode 69...........................................................
SECTION 5
Operations in RUN Mode 79.........................
5-1 Displaying and Changing Setting Values 80......................................
5-2 Displaying and Resetting of Maximum and Minimum Values 82.....................
5-3 External Input Signals 84....................................................
SECTION 6
Useful Functions 87.................................
6-1 Teaching Function 88.......................................................
6-2 Output Test 90.............................................................
6-3 Maintenance Mode 91.......................................................
SECTION 7
BCD Output 93....................................
7-1 Connectors 94.............................................................
7-2 Timing Charts 97...........................................................
SECTION 8
Troubleshooting 99.................................
8-1 Items to Be Checked First 100.................................................
8-2 Display 100................................................................

TABLE OF CONTENTS
viii
Appendices
A Specifications 101..............................................................
B List of Settings 105.............................................................
C Available Models 107...........................................................
D Available Parameters 109........................................................
E Setting Examples 113...........................................................
Index 115..........................................
Revision History 119.................................

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About this Manual:
This manual describes the installation and operation of the K3NP Period Meter and includes the sections
described below.
Please read this manual carefully and be sure you understand the information provided before attempting
to install and operate the K3NP.
Section 1 describes the functions of the K3NP. The main components are also described.
Section 2 provides instructions required for mounting and wiring the K3NP.
Section 3 provides instructions for setting the parameters of the K3NP.
Section 4 provides instructions for operating the K3NP in RUN mode.
Section 5 provides information on the teaching function, output test, and maintenance mode.
Section 6 provides information on the use of the K3NP with the BCD Output Board.
Section 7 provides information for troubleshooting the K3NP
The Appendices provide specifications, a list of settings, a list of standard models, and a list of available
menu items.
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 information provided in the section
and related sections before attempting any of the procedures or operations given.
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PRECAUTIONS
This section provides precautions for using the K3NP Period Meter and related devices.
The information contained in this section is important for the safe and reliable application of the K3NP. You must read
this section and understand the information contained before attempting to set up or operate the K3NP.
1 General Precautions xii..........................................................
2 Safety Precautions xii...........................................................
3 Application Precautions xii......................................................
4 Noise Prevention xiii............................................................

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3SectionApplication Precautions
xii
1 General Precautions
The user must operate the product according to the performance specifications
described in the operation manuals.
Before using the product under conditions which are not described in the manual
or applying the product to nuclear control systems, railroad systems, aviation
systems, vehicles, combustion systems, medical equipment, amusement ma-
chines, safety equipment, and other systems, machines, and equipment that
may have a serious influence on lives and property if used improperly, consult
your OMRON representative.
Be sure to read this manual before attempting to use the product and keep this
manual close at hand for reference during operation.
2 Safety Precautions
WARNING Never attempt to disassemble any Units while power is being supplied. Doing so
may result in serious electrical shock or electrocution.
WARNING Never touch any of the terminals while power is being supplied. Doing so may
result in serious electrical shock or electrocution.
3 Application Precautions
Observe the following precautions when using the product.
·Always use the power supply voltage specified in the specifications.
·Do not use the product in locations subject to flammable gases or combustible
objects.
·Be sure to confirm terminal names when wiring.
·Be sure to tighten the screws on the terminal blocks.
Observe the following precautions when mounting the product.
·Mount the product on level surfaces.
·Mount the product on a panel which has a thickness of 1 to 3.2 mm.
Do not mount the product in the following places.
·Locations subject to strong shock or vibration.
·Locations subject to temperature or humidity exceeding the rated levels or
where icing is liable to occur.
·Locations subject to dust.
·Locations subject to corrosive gases (particularly sulfuric gases or ammonium
gases).
·Locations subject to direct sunlight or outdoor conditions.
·Locations near devices (high-frequency welders or high-frequency sewing
machines) that produce high-frequency noise.

4SectionNoise Prevention
xiii
4 Noise Prevention
Provide the following countermeasures when using the product in an environ-
ment where the product is exposed to noise.
·Countermeasures for protecting the product against high-frequency noise or
abnormal voltages.
Line filter
Period Meter
Power
input
Power
input
Signal
input
+++
--
Period Meter
·Countermeasures for protecting the product against inductive noise produced
from the input line.
2-conductor shield wire
+
Period Meter
--