Allen-Bradley PowerMonitor 500 User manual

PowerMonitor 500 Unit

Catalog Numbers 1420-V1, 1420-V1P, 1420-V1A, 1420-V1-ENT, 1420-V1-485, 1420-V1P-ENT, 1420-V1P-485, 1420-V1A-

ENT, 1420-V1A-485, 1420-V2, 1420-V2P, 1420-V2A, 1420-V2-ENT, 1420-V2-485, 1420-V2P-ENT, 1420-V2P-485, 1420-

V2A-ENT, 1420-V2A-485

User Manual

Original Instructions

Important User Information

Read this document and the documents listed in the additional resources section about installation, configuration, and

operation of this equipment before you install, configure, operate, or maintain this product. Users are required to

familiarize themselves with installation and wiring instructions in addition to requirements of all applicable codes, laws,

and standards.

Activities including installation, adjustments, putting into service, use, assembly, disassembly, and maintenance are

required to be carried out by suitably trained personnel in accordance with applicable code of practice.

If this equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may

be impaired.

In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages resulting from

the use or application of this equipment.

The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many variables and

requirements associated with any particular installation, Rockwell Automation, Inc. cannot assume responsibility or

liability for actual use based on the examples and diagrams.

No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits, equipment, or

software described in this manual.

Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell Automation,

Inc., is prohibited

Throughout this manual, when necessary, we use notes to make you aware of safety considerations.

Labels may also be on or inside the equipment to provide specific precautions.

WARNING: Identifies information about practices or circumstances that can cause an explosion in a hazardous

environment, which may lead to personal injury or death, property damage, or economic loss.

ATTENTION: Identifies information about practices or circumstances that can lead to personal injury or death, property

damage, or economic loss. Attentions help you identify a hazard, avoid a hazard, and recognize the consequence.

IMPORTANT Identifies information that is critical for successful application and understanding of the product.

SHOCK HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that dangerous

voltage may be present.

BURN HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that surfaces may

reach dangerous temperatures.

ARC FLASH HAZARD: Labels may be on or inside the equipment, for example, a motor control center, to alert people to

potential Arc Flash. Arc Flash will cause severe injury or death. Wear proper Personal Protective Equipment (PPE). Follow ALL

Regulatory requirements for safe work practices and for Personal Protective Equipment (PPE).

Rockwell Automation Publication 1420-UM001E-EN-P - March 2016 3

Summary of Changes

This manual contains new and updated information as indicated in the following

table

New and Updated

Information

This table contains the changes made to this revision.

Topic Page

Updated wiring diagrams in Chapter 2. 19…22

Added CIP message examples to Appendix C 75…82

4Rockwell Automation Publication 1420-UM001E-EN-P - March 2016

Summary of Changes

Notes:

Rockwell Automation Publication 1420-UM001E-EN-P - March 2016 5

Table of Contents

Preface

About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Intended Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Catalog Number Explanation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Additional Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Chapter 1

PowerMonitor 500 Unit Overview

About the PowerMonitor 500 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

PowerMonitor 500 Features and Functions . . . . . . . . . . . . . . . . . . . . . . . . 10

Front Panel Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Display Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Selecting Data to Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Chapter 2

Installation and Wiring

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Wiring Diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Chapter 3

Unit Configuration

Configure with the Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Configuration Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Digital Filtering Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Analog Output Configuration Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Alarm Configuration Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Chapter 4

Communication

EtherNet/IP Communication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Modbus Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Appendix A

PowerMonitor 500 Unit Data Tables

Summary of Data Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Geometric Representation of Power and Power Factor . . . . . . . . . . . . . . 48

Data Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Appendix B

Technical Specifications

List of Connectable Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Appendix C

PowerMonitor 500 EtherNet/IP

Device Profile

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Object Model and Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Identity Object - CLASS CODE 0x0001 . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Assembly Object - CLASS CODE 0x0004 . . . . . . . . . . . . . . . . . . . . . . . . . 80

Technical Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

6Rockwell Automation Publication 1420-UM001E-EN-P - March 2016

Table of Contents

Index

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

Rockwell Automation Publication 1420-UM001E-EN-P - March 2016 7

Preface

About This Manual This manual contains detailed information on these topics:

•Mounting and wiring of the unit

•Wiring to native and optional communication port

•Set-up and use of the display module

•Information on metering functionality and measurements

•Use of the display module for configuration, monitoring, and commands

•Discussion of communication options, functionality, configuration, and

operation

•Alarm configuration and operation

•PowerMonitor™ 500 data tables

Intended Audience This manual is intended for qualified personnel. You need a basic understanding

of electric power and energy theory and terminology, and alternating-current

(AC) metering principles.

Catalog Number Explanation

1420 -V1 P -485

Bulletin Number

1420 - PowerMonitor 500

Voltage

V1 - 240V ACV-LL

120V AC V-LN/208V AC V-LL

V2 - 400V ACV-LN and

690V AC V-LL

Auxiliary

P- Pulse (Digital) Output

A- Analog Output

Blank - No Output

Optional Comms

485 - Serial RS-232,

RS-485, Modbus RTU

ENT - EtherNet/IP

and Modbus TCP/IP

Blank - No Comm

8Rockwell Automation Publication 1420-UM001E-EN-P - March 2016

Preface

Additional Resources These documents contain additional information concerning related products

from Rockwell Automation.

You can view or download publications at

http://www.rockwellautomation.com/literature/. To order paper copies of

technical documentation, contact your local Allen-Bradley distributor or

Rockwell Automation sales representative.

Resource Description

Industrial Automation Wiring and Grounding Guidelines,

publication 1770-4.1

Provides general guidelines for installing a Rockwell

Automation industrial system.

Product Certifications website, http://www.ab.com Provides declarations of conformity, certificates, and

other certification details.

Rockwell Automation Publication 1420-UM001E-EN-P - March 2016 9

Chapter 1

PowerMonitor 500 Unit Overview

About the PowerMonitor 500

Unit

The PowerMonitor™ 500 unit is an AC power monitor with a built-in advanced

configuration system and LCD data display. The unit is designed for

measurement of electrical parameters in various three-phase, single-phase

(2-wire European), and split-phase (3-wire North American single phase)

circuits. The unit modular housing can be mounted in a panel that provides IP65

degree protection from the front. The power monitor can be provided with

analog or digital (relay) outputs. These outputs can be selected to output a pulse

proportional to the real and reactive energy that is measured, or to annunciate

alarms. The instrument can also be equipped with a serial RS-485/RS-232 port

or an EtherNet/IP port.

Equipped with an optional communication port, the unit communicates power

and energy parameters to applications, such as FactoryTalk® EnergyMetrix™

software. The power monitor works with these software applications to address

these key customer applications:

•Load profiling - log power parameters such as real energy, apparent power,

and demand, for analysis of power usage by loads over time

•Cost allocation - report actual energy cost by department or process to

integrate energy information into management decisions

•Billing and sub billing - charge users of energy the actual usage cost rather

than allocating by square footage or other arbitrary methods

•Power system monitoring and control - display and control power flow and

energy utilization

10 Rockwell Automation Publication 1420-UM001E-EN-P - March 2016

Chapter 1 PowerMonitor 500 Unit Overview

PowerMonitor 500 Features

and Functions

The power monitor connects to your three-phase, split-phase (3-wire North

American single phase), or single-phase (2-wire European) AC power system

directly or through instrument transformers (PTs and CTs). It converts

instantaneous voltage and current values to digital values, and uses the resulting

digital values in calculations of voltage, current, power, energy, and demand.

The power monitor family includes several models that combine the following

basic components:

•A panel-mounted power monitor in one of two AC voltage ranges:

120/208V or 400/600V

•An optional pair of digital (relay) outputs

•An optional pair of 0…20 mA analog outputs

•Optional serial RS-232/RS-485 communication supporting Modbus

RTU

•Optional Ethernet port supporting EtherNet/IP and Modbus TCP/IP

•Front protection degree: IP65, NEMA 4X, NEMA 12

•Up to four configurable virtual alarms

•Class 1 (kWh) according to EN62053-21

•Class B (kWh) according to EN50470-3

•Class 2 (kVARh) according to EN62053-23

•Accuracy ±0.5% of reading (current/voltage)

•Metering values display: Four rows x 4 digit

•Energy value display: Ten digit plus sign

•Three-phase (system) variables: V(L-L), V(L-N), A, VA, W, VAR, power

factor, frequency

•Single phase variables: V(L-L), V(L-N), A(L), An (calculated), VA, W,

VAR , power factor

•System and single phase average and maximum variables

•Energy measurements (imported/exported): kWh and kVARh

•Revenue grade energy measurements per ANSI C12.1 Class 1.0, ANSI

C12.1

•Run hours counter (8+2 digit)

•Real-time clock function

•Universal power supply: 120/240V AC 50/60 Hz, or 120/240V DC

•Front dimensions: 96 x 96 mm (3.78 x 3.78 in)

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