Omron K3MA-J Series Manual de usuario

N106-E1-04

K3MA Series Digital Panel Meters Userʼ

s Manual

K3MA-J

Process Meter

K3MA-L

Temperature Meter

K3MA-F

Frequency/Rate Meter

Digital Panel Meters

K3MA Series

Userʼs Manual

INTRODUCTION

INSTALLATION AND

CONNECTION

APPLICATION

EXAMPLES

INITIAL SETTING

OPERATION

FUNCTION

DESCRIPTION

TROUBLESHOOTING

GUIDE

APPENDIX

N106-E1-04

K3MA Series Digital Panel Meters Userʼ

s Manual

This User’s Manual provides you with information necessary.

For use of the K3MA series of digital panel meters.

Please read this manual carefully to ensure correct and efficient use of the product.

Keep this manual handy for future reference.

If contemplating using the product in the following environments or for the following equipment, first

contact a sales representative of the company and then accept responsibility for incorporating into the

design fail-safe operation, redundancy, and other appropriate measures for ensuring reliability and

safety of the equipment and the overall system.

(1) Environments deviating from those specified in this manual

(2) Nuclear power control system, traffic (rail car/automobile/aircraft) control system, medical

equipment, amusement equipment, and rescue and security equipment

(3) Other equipment that demands high reliability, including those related to the safety of life and

property

About the Content of the Manual

(1) Any reproduction, full or in part, of the manual is prohibited without prior written

permission from the company.

(2) Descriptions in the manual may be subject to change without notice.

(3) Information in the manual has been carefully checked for accuracy. If finding any

suspicious or erroneous descriptions in the manual, however, you are kindly requested

to contact a branch office of the company. In such a case, please let us know the Cat.

No. shown on the front cover of the manual.

PREFACE

GENERAL PRECAUTIONS

Terms and Conditions Agreement

Warranty, Limitations of Liability

Warranties

●Exclusive

Warranty

Omron’s exclusive warranty is that the Products will be free from defects in materi-

als and workmanship for a period of twelve months from the date of sale by Omron

(or such other period expressed in writing by Omron). Omron disclaims all other

warranties, express or implied.

●Limitations OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR

IMPLIED, ABOUT NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS

FOR A PARTICULAR PURPOSE OF THE PRODUCTS. BUYER ACKNOWL-

EDGES THAT IT ALONE HAS DETERMINED THAT THE PRODUCTS WILL SUIT-

ABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE.

Omron further disclaims all warranties and responsibility of any type for claims or

expenses based on infringement by the Products or otherwise of any intellectual

property right.

●Buyer Remedy Omron’s sole obligation hereunder shall be, at Omron’s election, to (i) replace (in

the form originally shipped with Buyer responsible for labor charges for removal or

replacement thereof) the non-complying Product, (ii) repair the non-complying Prod-

uct, or (iii) repay or credit Buyer an amount equal to the purchase price of the non-

complying Product; provided that in no event shall Omron be responsible for war-

ranty, repair, indemnity or any other claims or expenses regarding the Products

unless Omron’s analysis confirms that the Products were properly handled, stored,

installed and maintained and not subject to contamination, abuse, misuse or inap-

propriate modification. Return of any Products by Buyer must be approved in writing

by Omron before shipment. Omron Companies shall not be liable for the suitability

or unsuitability or the results from the use of Products in combination with any elec-

trical or electronic components, circuits, system assemblies or any other materials

or substances or environments. Any advice, recommendations or information given

orally or in writing, are not to be construed as an amendment or addition to the

above warranty.

See http://www.omron.com/global/ or contact your Omron representative for pub-

lished information.

Limitation on

Liability; Etc

OMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCI-

DENTAL, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR PRODUC-

TION OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE

PRODUCTS, WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY,

NEGLIGENCE OR STRICT LIABILITY.

Further, in no event shall liability of Omron Companies exceed the individual price

of the Product on which liability is asserted.

III

Application Considerations

Suitability of

Use

Omron Companies shall not be responsible for conformity with any standards,

codes or regulations which apply to the combination of the Product in the Buyer’s

application or use of the Product. At Buyer’s request, Omron will provide applicable

third party certification documents identifying ratings and limitations of use which

apply to the Product. This information by itself is not sufficient for a complete deter-

mination of the suitability of the Product in combination with the end product,

machine, system, or other application or use. Buyer shall be solely responsible for

determining appropriateness of the particular Product with respect to Buyer’s appli-

cation, product or system. Buyer shall take application responsibility in all cases.

NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS

RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE SYSTEM AS A

WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE

OMRON PRODUCT(S) IS PROPERLY RATED AND INSTALLED FOR THE

INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.

Programmable

Products

Omron Companies shall not be responsible for the user’s programming of a pro-

grammable Product, or any consequence thereof.

Disclaimers

Performance

Data

Data presented in Omron Company websites, catalogs and other materials is pro-

vided as a guide for the user in determining suitability and does not constitute a war-

ranty. It may represent the result of Omron’s test conditions, and the user must

correlate it to actual application requirements. Actual performance is subject to the

Omron’s Warranty and Limitations of Liability.

Change in

Specifications

Product specifications and accessories may be changed at any time based on

improvements and other reasons. It is our practice to change part numbers when

published ratings or features are changed, or when significant construction changes

are made. However, some specifications of the Product may be changed without

any notice. When in doubt, special part numbers may be assigned to fix or establish

key specifications for your application. Please consult with your Omron’s represen-

tative at any time to confirm actual specifications of purchased Product.

Errors and

Omissions

Information presented by Omron Companies has been checked and is believed to

be accurate; however, no responsibility is assumed for clerical, typographical or

proofreading errors or omissions.

SAFETY PRECAUTIONS

A signal word indicating a potentially hazardous situation

which, if not avoided, may result in death or serious injury.

A signal word indicating a potentially hazardous situation,

if not avoided, may result in minor or moderate injury or

property damage.

Signal Words

In this manual, safety notices are divided into WARNING and CAUTION according to the hazard level.

As both of WARNING and CAUTION notices contain important information for ensuring safety, be

sure to observe them.

Warnings

Do not touch live terminals of the product.

Doing so may result in electrical shock.

Do not disassemble or touch the inside when the power is tuned on.

Doing so may result in electrical shock.

Mild electrical shock, fire, or malfunctioning may result on rare occasions.

Do not allow pieces of metal, wire clippings, chips from mounting work, or other debris to enter the

product.

Perform correct setting of the product according to the application. Failure to do so may cause unex-

pected operation of the overall system, resulting in damage to the system or personal injury.

Take appropriate safety measures in case the product malfunctions.

Otherwise, a serious accident could occur if a malfunction of the product prevents comparative out-

put from being generated.

If comparative output stops due to product malfunctioning, physical damage to equipment and

devices connected to the product may result on rare occasions. To ensure safety in the event that the

product malfunctions, implement safety measures such as installing a monitoring device on a sepa-

rate system.

Observe the following precautions to ensure safety.

(1) Maintain the power supply voltage within specifications.

(2) Use the product within the rated load.

(3) Be sure to check each terminal for correct number and polarity before connection.

Incorrect or reverse connection may damage or burn out internal components of the product.

(4) Be sure to tighten the terminal screws.

Recommended tightening torque: 0.43-0.58 N·m

Loose screws may result in product failure or malfunction.

(5) Do not connect anything to unused terminals.

(6) Install a switch or a circuit breaker so that the operator can turn off the power supply without delay

and attach an appropriate label.

(7) Do not disassemble, repair, or modify the product.

(8) Do not use the product in flammable or explosive atmosphere.

(9) For the wiring, use wires that can withstand a temperature of 70°C or higher.

(10) For the crimp terminals for crimp terminal wiring connections, use the specified size (M3, width of

5.8 m or less). For wiring for bare-wire connections, use AWG22 to AWG14 for the power supply,

and AWG28 to 16 for other than the power supply. (Wire jacket strip length: 6 to 8 mm)

(11)Let the product warm up at least 15 minutes after turning on the power.

For proper usage of the product:

(1) Do not use the product in such an environment that is subject to the following:

• Direct heat radiation from any heat source

• Water flooding or oil splashes

• Direct sunlight

• Dust or corrosive gases (especially, sulfuric or ammonia gas)

• Rapid temperature changes

• Condensation or icing due to high humidity

• Strong vibration or mechanical shock

(2) Do not block heat dissipation from the product, i.e., allow sufficient space for heat dissipation.

(3) Be sure that the rated voltage is reached within 2 seconds after the power is turned ON.

(4) Conduct aging for at least 15 minutes after turning ON the power for correct measurement.

(For K3MA-L: 30 minutes)

(5) To prevent the effect of static electricity, do not touch live terminals or slit areas of the product.

(6) Do not apply heavy load to the product. Doing so may deform or deteriorate the product.

(7) Do not use paint thinner for cleaning. Use commercially available alcohol.

Installation and connection

(1) Mount the product to a panel that is 1 to 8 mm thick.

(2) Install the product in a horizontal position.

(3) Use crimp-style terminals fit for the screw size.

NOTICE

Noise prevention

(1) Install the product as far as possible from devices that generate strong high-frequency fields (such

as high-frequency welders or sewing machines) or surges.

(2) Attach surge absorbers or noise filters to nearby devices that generate noise (particularly, motors,

transformers, solenoids, magnet coils, and other devices that have a high inductance component).

However, in the case of K3MA-L, do not connect the surge absorber to the input unit for

temperature sensors.

(3) To prevent inductive noise, separate the terminal block wiring for the product from high-voltage or

high-current power lines. Do not route the wiring for the product in parallel with or tie it in a

bundle with power lines.

Use of separate wiring ducts or shielded cables will also be effective for noise prevention.

(4) When using a power supply noise filter, check that the filter is suitable for the supply voltage and

current ratings and then install it as close as possible to the product.

(5) Televisions, radios, or other wireless devices may cause reception interference if placed near the

product.

VII

For usage of the product for a long time

(1) Avoid using the product in an area with temperature or humidity exceeding specifications, or

subject to dew condensation.

When installing the product inside a panel, be sure that the temperature around the product (not the

temperature around the panel) is within the specification.

The life of parts depends upon the ambient temperature. Higher temperature decreases and lower

temperature increases the life of parts. Therefore, the life can be increased by lowering the inside

temperature of the digital panel meter.

(2) Use or store the product within the specified ambient temperature and humidity ranges.

If two or more products are installed close to each other or one is installed on top of another, the

inside temperature of the products may be elevated due to heat generation by products themselves,

resulting in decreased life of the products. In such cases, conduct forced cooling, for example, by

using a fan to ventilate the product.

(3) Since the life of output relay depends largely upon the capacity and condition of switching, be sure

to take the actual conditions of usage into consideration and to use it within the rated load and the

times of its electrical life.

Using it exceeding its life may cause welding of contact points or burning.

VIII

This manual uses the following alphabetic characters for setting data.

abcdefghijklm

ABCDEFGH I JKLM

nopqrstuvwxyz

NOPQRS TUVWXY Z

Alphabetic Characters for Setting Data

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