DENT Instruments Powerscout 3037 Manual

Operator’s Guide

PowerScout™

3037 Power Meter

Includes:

ViewPoint™ 4.0 Software

March 12, 2015

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This manual may not be reproduced or distributed without written permission from DENT Instruments.

PowerScout™, ViewPoint™, and PhaseChek™ are trademarks of DENT Instruments, Inc. Windows®,

Windows® Vista, Windows® 7, Windows® 8, Windows® XP, and Notepad® are registered trademarks of

Microsoft Corporation.

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iii

Table of Contents

INTRODUCTION .......................................................................................................................... 6

PowerScout 3037 Serial/ PowerScout 3037 Ethernet........................................................................................6

Unpacking the Unit ..................................................................................................................................6

Meter Anatomy .......................................................................................................................................8

PowerScout™ Meter Safety Summary and Specifications.......................................................................9

Symbols on Equipment............................................................................................................................9

PowerScout™ Résumé de Sécurité et Spécifications.............................................................................12

Symboles des Equipements ...................................................................................................................12

PowerScout 3037 Technical Specifications............................................................................................15

PREPPING FOR FIELD INSTALLATION .............................................................................................. 17

Installing the ViewPoint Software .........................................................................................................17

Connecting a Communication Cable......................................................................................................18

Connecting and Communicating via a USB or RS-485 Adapter........................................................................18

Connecting and Communicating via an Ethernet (TCP/IP) Connection ...........................................................23

Communications LEDs ...........................................................................................................................26

PS3037 Serial....................................................................................................................................................26

PS3037 Ethernet...............................................................................................................................................26

Meter Setup...........................................................................................................................................27

Entering Wiring Information for an Element ...................................................................................................28

Selecting a Scalar..............................................................................................................................................30

Comms Setup.........................................................................................................................................32

RS-485 Settings.................................................................................................................................................33

BACnet Device Settings ....................................................................................................................................33

Ethernet Settings..............................................................................................................................................33

Connecting the Ports .............................................................................................................................33

Establishing Communication Protocol...................................................................................................34

Switching between BACnet and Modbus Mode ..............................................................................................34

FIELD INSTALLATION.................................................................................................................. 37

Mounting a PowerScout 3037 ...............................................................................................................37

Wiring Connections on the PowerScout 3037.......................................................................................38

Completing the Field Installation...........................................................................................................39

Using the Pulse Output Port Function ...................................................................................................39

Modbus Output Port Registers ........................................................................................................................40

BACnet Output Port Objects ............................................................................................................................40

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Wiring CTs..............................................................................................................................................41

Connecting Split-Core Style Millivolt CTs to a Load .........................................................................................42

Connecting RōCoil CTs to a Load......................................................................................................................43

CT Wire Lead Polarity .......................................................................................................................................45

Connecting Voltage................................................................................................................................45

Powering the Meter .........................................................................................................................................46

PowerScout Single-Phase Connections ............................................................................................................46

PowerScout 3037 Wiring Diagrams .......................................................................................................48

Three-wire Delta ..............................................................................................................................................48

Four-wire Wye..................................................................................................................................................49

Two-wire Single Phase .....................................................................................................................................50

Three-wire Single Phase ...................................................................................................................................51

Verifying Installation with PhaseChek ...................................................................................................52

Verifying Installation with the ViewPoint Software ..............................................................................54

Real-Time Values..............................................................................................................................................54

Read/Write Registers—Read/Set Objects........................................................................................................56

Firmware ..........................................................................................................................................................58

ALL THINGS MODBUS................................................................................................................ 60

Device Registers ...............................................................................................................................................60

Configuration Registers....................................................................................................................................60

Pulse Output/Input Registers...........................................................................................................................62

Absolute Measurement Registers....................................................................................................................62

Positive Power/Energy Measurement Registers..............................................................................................66

Negative Power/Energy Measurement Registers ............................................................................................70

Net Measurement Registers ............................................................................................................................75

Protocol Commands.........................................................................................................................................77

ALL THINGS BACNET ................................................................................................................ 81

Meter Specific Objects .....................................................................................................................................81

Configuration Objects ......................................................................................................................................81

Pulse Output/Input Objects .............................................................................................................................83

Absolute/Net Value Measurement Objects .....................................................................................................83

Positive Power/Energy Measurement Objects ................................................................................................86

Negative Power/Energy Measurement Objects...............................................................................................87

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APPENDICES............................................................................................................................ 88

Appendix A—Additional Wiring Diagrams.............................................................................................88

2-CT, 3-Wire Delta............................................................................................................................................89

3-Phase Delta with a “Wild” Leg ......................................................................................................................90

Appendix B—Connecting Multiple PowerScouts to an RS-485 Network ..............................................91

Communication Protocol .................................................................................................................................91

Daisy Chain Layout for RS-485 Network...........................................................................................................91

Networking Using the BACnet MS/TP/Modbus RTU Protocol .........................................................................91

Appendix C—Firmware Updates ...........................................................................................................92

Installing Firmware Updates for the PowerScout ............................................................................................92

Downloading and Installing Firmware .............................................................................................................92

Appendix D—VERIS H8035/H8036 Emulation.......................................................................................93

VERIS Modbus Integer Registers ......................................................................................................................94

VERIS Multipliers ..............................................................................................................................................95

VERIS Modbus Floating Point Registers ...........................................................................................................97

Appendix E—Conversion Table............................................................................................................100

Decimal to Hexadecimal Conversion Table................................................................................................... 100

Appendix F—The PS3037 Optional Visual Display...............................................................................102

Appendix G—Troubleshooting ............................................................................................................103

Troubleshooting Communication Issues....................................................................................................... 103

FREQUENTLY ASKED QUESTIONS ................................................................................................ 105

GLOSSARY ............................................................................................................................ 107

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INTRODUCTION

PowerScout meters monitor the voltage, current, power, energy, and many other electrical parameters

on single- and three-phase electrical systems. A PowerScout meter uses direct connections to each

phase of the voltage, and uses current transformers to monitor each phase of the current. Information

on energy use, demand, power factor, line frequency, and more are derived from the voltage and

current inputs.

The communications interface to the meters is an RS-485 serial or Ethernet connection that uses the

BACnet Master Slave Token Passing (MS/TP) protocol or Modbus protocol for sending commands and

retrieving data. A separate remote terminal unit (RTU), Data Logger, or Building Management and

Control System is usually connected to the PowerScout to provide data recording and trend logging plus

a human interface or display.

POWERSCOUT 3037 SERIAL/POWERSCOUT 3037 ETHERNET

The PowerScout 3037 is light-weight and

compact enough to mount within an electrical

panel. It is used for long-term monitoring of

electrical systems.

Up to 127 PowerScout 3037 serial meters may be

connected to a single BACnet MS/TP network for

monitoring and recording power usage at

multiple locations within a single site. Up to 247 serial meters may be connected to a Modbus RTU

network. You may connect as many Ethernet units as equal to the amount of available IP Addresses.

There is a configurable digital pulse output port on the PowerScout 3037 that can be used to output

kWh, kVARh, or kVAh pulses to external devices, or to toggle on and off to control a remote device or

relay.

PowerScout 3037 Optional Digital

Display

An optional visual display is available on the PS3037 which cycles through meter information and real-

time values of Volts, Amps, KW, KVA, KVAR, etc. See Appendix.

Unpacking the Unit

Your PowerScout meter comes with documents such as the Certificate of Calibration (COC) that has

information about the meter and is valuable for tech support. Be sure to set these documents aside in a

safe place when not in use.

If a Comm package was purchased as well, look for the ViewPoint software and the USB adapter. Verify

that all connectors are included (CT, voltage, comm, pulse).

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Example of a COC for a PowerScout 3037

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Meter Anatomy

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PowerScout™ Meter Safety Summary and Specifications

This general safety information is to

be used by both the Logger operator

and servicing personnel. DENT

Instruments, Inc. assumes no liability

for user’s failure to comply with these

safety guidelines.

PS3037-S-N/PS3037-S-D/PS3037-E-N/

PS3037-E-D

These items conform to the

following:

PS3037 Series:

Conforms to UL Std 61010-1, 3rd

Edition & IEC 61010-2-030, 1st

Edition

Certified to CSA Std C22.2 No.

61010-1, 3rd Edition

The PowerScout is an Over-Voltage Category III device. Use approved rubber gloves with mechanical protection and

goggles when operating the device.

CAUTION: THIS METER MAY CONTAIN LIFE THREATENING VOLTAGES. QUALIFIED PERSONNEL MUST DISCONNECT

ALL HIGH VOLTAGE WIRING BEFORE USING OR SERVICING THE METER.

WARNING

Use of this device in a manner for which it is not intended may impair its means of protection.

Symbols on Equipment

Denotes caution. See manual for a description of the meanings.

When connecting the PowerScout to an AC load, follow these steps in sequence to prevent a shock hazard.

1. De-energize the circuit to be monitored.

2. Connect the CTs to the phases being monitored.

3. Connect the voltage leads to the different phases. Use proper safety equipment (gloves

and protective clothing) as required for the voltages monitored.

DENOTES HIGH VOLTAGE. RISK OF ELECTRICAL SHOCK. LIFE THREATENING VOLTAGES MAY BE PRESENT.

QUALIFIED PERSONNEL ONLY.

PS 3037 Hazardous voltage exist, there are no user serviceable parts inside. Do not open the enclosure.

DO NOT EXCEED 600V. This meter is equipped to monitor loads up to 600V. Exceeding this voltage will cause

damage to the meter and danger to the user. Always use a Potential Transformer (PT) for loads in excess of

600V. The PowerScout is a 600 Volt Over Voltage Category III device.

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PS3037 Pulse output:30V max open voltage, 5mA max current.

See Pulse Output.

SENSOR LIMITATIONS

USE ONLY SHUNTED CURRENT TRANSFORMERS (CTs).

Do not use other CTs. Only use shunted CTs with a 333mV maximum output only. Serious shock hazard and

logger damage can occur if unshunted CTs are used. The UL listing covers the use of the following DENT

Instruments CTs that are UL Recognized and have been evaluated to IEC 61010-1:

CT-RGT12-XXXX-Y, CT-HSC-020-X(20A Mini), CT-HSC-050-X(50A Mini), CT-HMC-0100-X (100A Midi), CT-HMC-

0200-X (200A Midi), CT-Rxx-1310-U (RōCoil), CTRxx-A4-U (RōCoil), CT-CON-1000-X, and the CT-CON-0150EZ-X.

The use of any other CT will invalidate the UL Listing.

FCC COMPLIANCE

PS3037-S-N/PS3037-S-D/PS3037-E-N/PS3037-E-D

This device has been tested and found to comply with the limits for a Class A digital device, pursuant to

part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful

interference when the equipment is operated in a commercial environment. This equipment generates,

uses, and can radiate radio frequency energy and, if not installed and used in accordance with the

instruction manual, may cause harmful interference to radio communications. Operation of this

equipment in a residential area is likely to cause harmful interference in which case the user will be

required to correct the interference at user’s own expense.

Operation is subject to the following two conditions: (1) This device may not cause harmful interference,

and (2) this device must accept any interference received, including interference that may cause

undesired operation.

DC VOLTAGES

The PowerScout 3037 is designed to measure AC voltages for installations up to 600 VAC. The

PowerScout 3037 is also capable of measuring DC voltages up to 600 VDC with the following caveats.

1) The internal fuse installed in the PowerScout 3037 is not a suitable disconnect for voltages above 80

VDC.Customers using the PowerScout 3037 for high voltage DC systems must install a UL listed inline

600 volt DC fuse with a rating of 1 amp or less. These fuses are commonly available in the solar power

market.

2) UL and ANSI testing of the PowerScout 3037 was conducted on AC systems only. DC results are

comparable but not tested.

3) DENT Instruments VIEWPOINT software does not currently have a configuration or registers that are

specific to DC systems. Values reported for voltage, current, KW, KWH will be correct however it should

be noted that the meter will also report values that pertain to AC systems (such as VARs and Power

Factor) that should be ignored.

Equipment protected throughout by double insulation (IEC 536 Class II).

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