EI Nexus 1272 Installation & Operation Manual

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Doc# E151701 i

Electro Industries/GaugeTech

The Leader In Power Monitoring and Smart Grid Solutions

Electro Industries/GaugeTech

The Leader In Power Monitoring and Smart Grid Solutions

Nexus

®

1262/1272 Meter Installation and Operation Manual Version 1.21

Published by:

Electro Industries/GaugeTech

1800 Shames Drive

Westbury, NY 11590

any form or by any means, electronic or mechanical, including photocopying, record-

ing, or information storage or retrieval systems or any future forms of duplication, for

any purpose other than the purchaser's use, without the expressed written permission

of Electro Industries/GaugeTech.

Nexus® and Shark® are registered trademarks of Electro Industries/GaugeTech.

Communicator EXT

TM

is a trademark of Electro Industries/GaugeTech.

Modbus® is a registered trademark of Schneider Electric, licensed to the Modbus

Organization, Inc.

Doc# E151701 ii

Electro Industries/GaugeTech

The Leader In Power Monitoring and Smart Grid Solutions

Electro Industries/GaugeTech

The Leader In Power Monitoring and Smart Grid Solutions

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Doc# E151701 iii

Electro Industries/GaugeTech

The Leader In Power Monitoring and Smart Grid Solutions

Electro Industries/GaugeTech

The Leader In Power Monitoring and Smart Grid Solutions

Customer Service and Support

Customer support is available 9:00 am to 4:30 pm, Eastern Standard Time, Monday

through Friday. Please have the model, serial number and a detailed problem descrip-

tion available. If the problem concerns a particular reading, please have all meter

readings available. When returning any merchandise to EIG, a return materials

authorization number is required. For customer or technical assistance, repair or

calibration, phone 516-334-0870 or fax 516-338-4741.

Product Warranty

Electro Industries/GaugeTech warrants all products to be free from defects in material

and workmanship for a period of four years from the date of shipment. During the

warranty period, we will, at our option, either repair or replace any product that

proves to be defective.

To exercise this warranty, fax or call our customer-support department. You will

receive prompt assistance and return instructions. Send the instrument, transporta-

tion prepaid, to EIG at 1800 Shames Drive, Westbury, NY 11590. Repairs will be made

and the instrument will be returned.

This warranty does not apply to defects resulting from unauthorized modification,

misuse, or use for any reason other than electrical power monitoring. The Nexus

®

1262/1272 meter is not a user-serviceable product.

THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED

OR IMPLIED, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABIL-

ITY OR FITNESS FOR A PARTICULAR PURPOSE. ELECTRO INDUSTRIES/

GAUGETECH SHALL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL OR

CONSEQUENTIAL DAMAGES ARISING FROM ANY AUTHORIZED OR

UNAUTHORIZED USE OF ANY ELECTRO INDUSTRIES/GAUGETECH

PRODUCT. LIABILITY SHALL BE LIMITED TO THE ORIGINAL COST OF

THE PRODUCT SOLD.

Doc# E151701 iv

Electro Industries/GaugeTech

The Leader In Power Monitoring and Smart Grid Solutions

Electro Industries/GaugeTech

The Leader In Power Monitoring and Smart Grid Solutions

Use of Product for Protection

Our products are not to be used for primary over-current protection. Any protection

feature in our products is to be used for alarm or secondary protection only.

Statement of Calibration

Our instruments are inspected and tested in accordance with specifications published

by Electro Industries/GaugeTech. The accuracy and a calibration of our instruments

are traceable to the National Institute of Standards and Technology through

equipment that is calibrated at planned intervals by comparison to certified stan-

dards.For optimal performance, EIG recommends that any meter, including those

manufactured by EIG, be verified for accuracy on a yearly interval using NIST trace-

able accuracy standards.

Disclaimer

The information presented in this publication has been carefully checked for

reliability; however, no responsibility is assumed for inaccuracies. The information

contained in this document is subject to change without notice.

Safety Symbols

In this manual, this symbol indicates that the operator must refer to

an important WARNING or CAUTION in the operating instructions.

Please see Chapter 11 for important safety information regarding

installation and hookup of the meter.

Dans ce manuel, ce symbole indique que l'opérateur doit se référer à un important

AVERTISSEMENT ou une MISE EN GARDE dans les instructions opérationnelles.

Veuillez consulter le chapitre 11 pour des informations importantes relatives à l'instal-

lation et branchement du compteur.

The following safety symbols may be used on the meter itself:

Les symboles de sécurité suivante peuvent être utilisés sur le compteur même:

This symbol alerts you to the presence of high voltage, which can

cause dangerous electrical shock.

Ce symbole vous indique la présence d’une haute tension qui peut

provoquer une décharge électrique dangereuse.

Doc# E151701 v

Electro Industries/GaugeTech

The Leader In Power Monitoring and Smart Grid Solutions

Electro Industries/GaugeTech

The Leader In Power Monitoring and Smart Grid Solutions

This symbol indicates the field wiring terminal that must be connected

to earth ground before operating the meter, which protects against

electrical shock in case of a fault condition.

Ce symbole indique que la borne de pose des canalisations in-situ qui doit être bran-

chée dans la mise à terre avant de faire fonctionner le compteur qui est protégé

contre une décharge électrique ou un état défectueux.

About Electro Industries/GaugeTech (EIG)

Founded in 1975 by engineer and inventor Dr. Samuel Kagan, Electro Industries/

GaugeTech changed the face of power monitoring forever with its first breakthrough

innovation: an affordable, easy-to-use AC power meter.

Forty years since its founding, Electro Industries/GaugeTech, the leader in power

monitoring and control, continues to revolutionize the industry with the highest qual-

ity, cutting edge power monitoring and control technology on the market today. An

ISO 9001:2000 certified company, EIG sets the industry standard for advanced power

quality and reporting, revenue metering and substation data acquisition and control.

EIG products can be found on site at mainly all of today's leading manufacturers,

industrial giants and utilities.

EIG products are primarily designed, manufactured, tested and calibrated at our facil-

ity in Westbury, New York.

Doc# E151701 vi

Electro Industries/GaugeTech

The Leader In Power Monitoring and Smart Grid Solutions

Electro Industries/GaugeTech

The Leader In Power Monitoring and Smart Grid Solutions

This page intentionally left blank.

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Electro Industries/GaugeTech

The Leader In Power Monitoring and Smart Grid Solutions

Electro Industries/GaugeTech

The Leader In Power Monitoring and Smart Grid Solutions

Table of Contents

1:Three-Phase Power Measurement 1-1

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2: Meter Overview 2-1

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3: Operating Instructions 3-1

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Electro Industries/GaugeTech

The Leader In Power Monitoring and Smart Grid Solutions

Electro Industries/GaugeTech

The Leader In Power Monitoring and Smart Grid Solutions

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4: Performing Meter Testing 4-1

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5: Serial Communication Wiring 5-1

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Electro Industries/GaugeTech

The Leader In Power Monitoring and Smart Grid Solutions

Electro Industries/GaugeTech

The Leader In Power Monitoring and Smart Grid Solutions

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6: Hardware Installation 6-1

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7: Time-of-Use Function 7-1

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Electro Industries/GaugeTech

The Leader In Power Monitoring and Smart Grid Solutions

Electro Industries/GaugeTech

The Leader In Power Monitoring and Smart Grid Solutions

8: Transformer Loss Compensation 8-1

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9: Using the External Displays 9-1

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