Eaton IQ 250 Mode d’emploi

IQ 250/260

Low-Cost High Performance

Multifunction Electricity Meter

User & Installation Manual

IB02601006E Rev. 1.0 www.eaton.com

IQ 250/260 Meter

www.eaton.com IB02601006E TOC- 1

Table of Contents

1 INTRODUCTION 1-1

About this Manual 1-1

Warranty and Liability Information 1-1

Safety Precautions 1-2

2 IQ 250/260 Overview and Speciﬁcations 2-1

IQ 250/260 Overview 2-1

Voltage and Current Inputs 2-2

Ordering Information 2-3

Measured Values 2-4

Utility Peak Demand 2-5

Speciﬁcations 2-5

Compliance 2-8

Accuracy 2-8

3 Mechanical Installation 3-1

Introduction 3-1

ANSI Installation Steps 3-3

DIN Installation Steps 3-4

IQ 250/260T Transducer Installation 3-5

4 Electrical Installation 4-1

Considerations When Installing Meters 4-1

CT Leads Terminated to Meter 4-2

CT Leads Pass Through (No Meter Termination) 4-3

Quick Connect Crimp-on Terminations 4-4

Voltage and Power Supply Connections 4-5

Ground Connections 4-5

Voltage Fuses 4-5

Electrical Connection Diagrams 4-6

5 Communication Installation 5-1

IQ 250/260 Communication 5-1

RS-485 / KYZ Output (Com 2) 5-1

Using the Power Xpert® Gateway 5-4

IQ 250/260T Communication Information 5-5

TOC-2 IB02601006E www.eaton.com

IQ 250/260 Meter

6 Using the IQ 250/260 6-1

Introduction 6-1

Understanding Meter Face Elements 6-1

Understanding Meter Face Buttons 6-1

Using the Front Panel 6-2

Understanding Startup and Default Displays 6-2

Using the Main Menu 6-3

Using Reset Mode 6-3

Entering a Passwords 6-4

Using Conﬁguration Mode 6-5

Conﬁguring the Scroll Feature 6-6

Conﬁguring CT Setting 6-7

Conﬁguring PT Setting 6-8

Conﬁguring Connection Setting 6-9

Conﬁguring Communication Port Setting 6-9

Using Operating Mode 6-10

Understanding the % of Load Bar 6-11

Performing Watt-Hour Accuracy Testing (Veriﬁcation) 6-12

7 Using the IQ 250/260 I/O Option Cards 7-1

Overview 7-1

Installing Option Cards 7-2

Conﬁguring Option Cards 7-2

Digital Output (Relay Contact)/Digital Input Card 7-3

Speciﬁcations 7-3

Wiring Diagram 7-4

Pulse Output (Solid State Relay Contacts)/Digital Input Card 7-5

Speciﬁcations 7-5

Default Conﬁguration 7-5

Wiring Diagram 7-6

1mA Output Card 7-7

Speciﬁcations 7-7

Default Conﬁguration 7-7

Wiring Diagram 7-8

20mA Output Card 7-9

Speciﬁcations 7-9

Default Conﬁguration 7-9

Wiring Diagram 7-10

IQ 250/260 Meter

www.eaton.com IB02601006E TOC- 3

8 Programming the IQ 250/260 8-1

Overview 8-1

Connecting to the IQ 250/260 8-1

Accessing the IQ 250/260 Device Proﬁle 8-2

Selecting Settings 8-2

Performing Tasks 8-3

Conﬁguring Settings 8-6

Conﬁguring CT, PT Ratios and System Hookup 8-6

Conﬁguring Time Settings 8-7

Conﬁguring System Settings 8-7

Conﬁguring Communications Settings 8-8

Setting Display Conﬁguration 8-9

Conﬁguring Energy, Power Scaling, and Averaging 8-10

Conﬁguring Limits (IQ 260 only) 8-12

Conﬁguring I/O Option Cards 8-14

Conﬁguring a Relay Output/Digital Input Card 8-15

Conﬁguring a Pulse Output/Digital Input Card 8-17

Conﬁguring a 0-1mA Output Card 8-19

Conﬁguring a 4-20mA Output Card 8-20

Polling the IQ 250/260 Meter 8-21

Instantaneous Polling 8-22

Poll Max and Min Readings 8-23

Poll Power and Energy 8-24

Poll Accumulators 8-24

Poll Phasors 8-25

Poll Status Inputs 8-26

Poll Limits (IQ 260 only) 8-27

Using the IQ 250/260 Tools Menu 8-28

Accessing the Device Proﬁle Screen 8-28

Setting Device Time 8-28

Retrieving Device Time 8-28

Resetting Device Information 8-29

Retrieving Device Status 8-29

Viewing Option Card Information 8-29

Performing Manual Relay Control 8-30

Performing Firmware Flash Update 8-30

Performing Additional Tasks with IQ 250/260 Conﬁguration Software 8-31

Using Connection Manager 8-31

Disconnecting from an IQ 250/260 8-33

Changing the Primary Device/Address 8-33

Merging Connection Databases 8-33

Using the Options Screen 8-34

Using the Help Menu 8-34

TOC-4 IB02601006E www.eaton.com

IQ 250/260 Meter

Appendix A - IQ 250/260 Navigation Maps A-1

Introduction A-1

Navigation Maps A-1

Appendix B - Modbus Mapping for IQ 250/260 B-1

Introduction B-1

Modbus Register Map Sections B-1

Data Formats B-1

Floating Point Values B-2

Modbus Register Map (MM-1 to MM-8) B-3

Appendix C - Using DNP Mapping for IQ 250/260 C-1

Overview C-1

Physical Layer C-1

Data Link Layer C-1

Application Layer C-2

Error Reply C-2

DNP Lite Register Map C-3

DNP Message Layouts C-5

Chapter 1:

IQ 250/260 Meter Introduction

www.eaton.com IB02601006E 1- 1

1 Introduction

About This Manual

This document is the user manual for the installation, operation, and maintenance of the Eaton

IQ 250/260 Meter. It is intended for authorized and qualiﬁed personnel who use the IQ 250/260

Meter. Please refer to the speciﬁc WARNINGS and CAUTIONS in this section before proceeding.

For Technical Support and after hour emergencies, contact our Power Quality Technical Support

team at 1-800-809-2772, option 4 / sub-option 1 or by email at PQSUPPORT@EATON.COM.

For those outside the United States and Canada, call 414-449-7100 option 4 / sub-option 1. You

can also visit us on the web at http://www.eaton.com and follow the Products link.

Warranty and Liability Information

NO WARRANTIES EXPRESSED OR IMPLIED, INCLUDING WARRANTIES OF FITNESS FOR

A PARTICULAR PURPOSE OF MERCHANTABILITY, OR WARRANTIES ARISING FROM

COURSE OR DEALING OR USAGE OF TRADE ARE MADE REGARDING THE INFORMATION,

RECOMMENDATIONS, AND DESCRIPTIONS CONTAINED HEREIN.

In no event will Eaton be responsible to the purchaser or user in contract, in tort (including

negligence), strict liability or otherwise for any special, indirect, incidental, or consequential

damage or loss of use of equipment, plant or power system, cost of capital, loss of power,

additional expenses in the use of existing power facilities, or claims against the purchaser or

user by its customers resulting from the use of the information and descriptions contained herein.

Eaton disclaims liability for any modiﬁcations or interfaces with other equipment that are not in

conformity with the speciﬁcations and information contained within this manual. Any unauthorized

action of this kind can jeopardize operation, safety, or reliability.

The information contained in this document is believed to be accurate at the time of publication,

however, Eaton assumes no responsibility for any errors which may appear here and reserves

the right to make changes without notice.

Safety Precautions

All safety codes, safety standards, and/or regulations must be strictly observed in the installation,

operation, and maintenance of this device.

1-2 IB02601006E www.eaton.com

Chapter 1:

Introduction IQ 250/260 Meter

Safety Precautions

All safety codes, safety standards, and/or regulations must be strictly observed in the installation,

operation, and maintenance of this device.

WARNINGS refer to instructions that, if not followed, can result in death or injury.

CAUTIONS refer to instructions that, if not followed, can result in equipment damage.

WARNINGS

SHOCK HAZARDS:

IMPROPER INSTALLATION CAN CAUSE DEATH, INJURY, AND/OR EQUIPMENT DAMAGE.

Follow all Warnings and Cautions. Completely read and understood the information in this

document before attempting to install or operate the equipment. Improper wiring could cause

death, injury, or equipment damage. Only qualiﬁed personnel are to service the IQ 250/260 Meter.

TROUBLESHOOTING PROCEDURES MAY REQUIRE PROXIMITY TO EXPOSED ENERGIZED

(LIVE) ELECTRICAL WIRING AND/OR PARTS WHERE THE HAZARD OF FATAL ELECTRIC

SHOCK IS PRESENT. Exercise extreme care to avoid injury or death. Always disconnect,

lock-out, and tag the current and voltage sources and the control power supply circuit before

touching the connections or components on the rear face of the meter base unit.

FAILURE TO GROUND THE IQ 250/260 METER MAY RESULT IN INJURY, DEATH, OR

EQUIPMENT DAMAGE. Properly ground the IQ 250/260 Meter during installation.

Covered by one or more of the following patents:

US Patent Numbers D526920, D525893, 6751563, 6735535, 6636030.

Chapter 2:

IQ 250/260 Meter Overview and Speciﬁcations

www.eaton.com IB02601006E 2- 1

2 Overview and Speciﬁcations

IQ 250/260 Overview

The IQ 250/260 is a multifunction power and energy meter designed to be

used in electrical substations, panel boards, and as a primary revenue

meter, due to its high performance measurement capability. The unit

provides multifunction measurement of all electrical parameters and makes

the data available in multiple formats via display, communication systems,

and through analog signal transmission.

Figure 2.1: IQ 250/260 Meter

The IQ 250/260 meter is designed with advanced meaurement capabilities, allowing it to achieve

high performance accuracy. It is speciﬁed as a 0.2% class energy meter for billing applications

as well as a highly accurate panel indication meter.

The IQ 250/260 provides additional capabilities, including standard RS485, Modbus and DNP 3.0

Protocols, and Option cards that can be added at any time.

Features of the IQ 250/260 include:

• 0.2% Class revenue certiﬁable energy and demand metering

• Meets ANSI C12.20 (0.2%) and IEC 687 (0.2%) classes

• Multifunction measurement including voltage, current, power, frequency, energy, power

factor, etc.

• Power quality measurements (%THD and Alarm Limits) IQ 260 only

• Percentage of Load Bar for analog meter reading

• Easy to use faceplate programming

• RS485 communication

• Optional I/O Cards - ﬁeld upgradeable without removing installed meter

In addition to the IQ 250/260M - meter with integral

display/transducer conﬁguration, an IQ 250/260T transducer

conﬁguration is available. The IQ 250/260T is a digital transducer

only unit (without a display), providing RS485 communication

via Modbus RTU, Modbus ASCII or DNP 3.0 protocols.

The IQ 250/260T is designed to install using DIN Rail

Mounting. (See Chapter 3 of this manual for IQ 250/260T

mounting information.)

Figure 2.2: IQ 250/260T

2-2 IB02601006E www.eaton.com

Chapter 2:

Overview and Speciﬁcations IQ 250/260 Meter

Voltage and Current Inputs

Universal Voltage Inputs

Voltage Inputs allow measurement up to 576VAC (Phase to Reference) and 721VAC (Phase to

Phase). This insures proper meter safety when wiring directly to high voltage systems. One unit will

perform to speciﬁcation on 69 Volt, 120 Volt, 230 Volt, 277 Volt, and 347 Volt power systems.

NOTE: Higher voltages require the use of potential transformers (PTs).

Current Inputs

The unit supports a 5 amp or a 1 amp secondary for current measurements.

NOTE: The secondary current must be speciﬁed and ordered with the meter.

The IQ 250/260 Current Inputs use a unique dual input method:

Method 1: CT Pass Through

The CT passes directly through the meter without any physical termination on the meter. This

insures that the meter cannot be a point of failure on the CT circuit. This is preferable for utility

users when sharing relay class CTs. No Burden is added to the secondary CT circuit.

Method 2: Current “Gills”

This unit additionally provides ultra-rugged Termination Pass Through Bars that allow CT leads to be

terminated on the meter. This, too, eliminates any possible point of failure at the meter. This is a

preferred technique for insuring that relay class CT integrity is not compromised (the CT will not

open in a fault condition).

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