Nexus 1450 Meter Brochure V.1.02 Energy E171702

User Manual: Pdf Nexus-1450-Energy-Meter-Brochure E171702

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140550

Electro Industries/GaugeTech™

The Leader in Power Monitoring and Smart Grid Solutions™

www.electroind.com

Metering and Communication

• MultilevelCyberSecureEncryptedConfiguration

• AdvancedWebServerwithWaveform

AnalysisTools

• Upto1024SamplesperCycle-basedMeasurements

• 0.06%EnergyAccuracyOverWideDynamic

MeasurementRange

• HighlyAccurateandStableMeasurementsUsing

Multi-Gain™Sensing

• 6AvailableCommunicationPorts,Including

ModbusandDNP3.0Protocols

• TwoIndependentEthernetPorts,withUnique

IPAddressing

Advanced Power Quality Analysis

• ClassAIEC61000-4-30Edition3Power

QualityMeasurements

• IEC61000-4-15FlickerMeasurements

• IEC61000-4-7HarmonicMeasurements

• EN50160PowerQualityReports

• NewCORE™LoggingArchitecture

• Easy-installTransducerandSeparateDisplay

• DirectPhysicalRetrofittoNexus®125XSeriesMeter/

TransducerwithGreaterFunctionality

• Separate3LineLEDDisplays

Nexus®1450

Cyber Secure Energy Panel Meter with Advanced Power Quality & Multiport Communication

Nexus® 1450 Meter P40N+ Remote Multifunction Display

New

New

Introduction

ElectroIndustries’Nexus®1450meterisapowerfulenergymeterthat

providesaccurateelectricalenergymeasurementsandoffersadvanced

capabilitiesforpowerqualityanalysisanddeterminingelectricalpower

reliability.Themeterisatransducerbasewithaseparatedisplay.The

transducerbaseretrofitstoexistingElectroIndustries’Nexus®1250and

1252meters.TheNexus®1450meterisidealforexistingswitchboard

panels,sinceitcanbeinstalledwithoutcuttingpaneldoors.Theseparate

displaymountsintoexistinganalogmeterknockouts.

TheNexus®1450meterisprotectedwithamulti-levelCyberSecure

configurationwith10highlysecureencrypteduserIDsandpasswords

thathelppreventtamperingandhackingofyourpowersystemdata.The

meter'sbuiltinWebView™EnergyDashboardallowsyoutoanalyze

meteringdatawithoutneedingsoftware.Youcannavigateeasilythrough

multiplewebpageviewsandgetdetailedinformationonenergyusageand

powerquality:viewrealtimedata,analyzestoredhistorylogs,viewalarms

andwaveformrecords.

With6simultaneouslyoperatingcommunicationports,themeterisa

communicationhubtomultiplesoftwaresystems.TheNexus®1450

meterhas4serialportsthatspeakModbusandDNP3.0protocols.Italso

hastwoindependentEthernetports,consistingofa10/100BaseTcopper

RJ45connectorandanSTTerminated100BaseFXFiberOpticEthernet

port.EachEthernetporthasauniqueIPaddress.Throughthemeter's6

ports,auserisabletocommunicatetomultiplecomputer-based

systems,providingdatatoentitiesthroughoutanenterprise.

Themeteralsoexcelsatmeasuringpowerquality,includingwaveform

recordingandIEC61000-4-7,IEC61000-4-15,andIEC61000-4-30

ClassAcompliance.TheNexus®1450meterletsyoulookatthe

reliabilityoftheelectricalpowercircuittodeterminecausesoffaults,

voltagesurgesandsags,andharmonics.

Multi-Gain™ Sensing Provides

Superior Accuracy

TheNexus®1450meterutilizesEIG’slatestmeasurement-sensing

technology-Multi-Gain™.Multi-Gain™technologyusestwo

sensorsonthecurrentinputs-ahighgainsensorandalowergain

sensor.Eachsensorsimultaneouslymeasuresthecurrentsignalcoming

fromtheexternalcurrenttransformers.Themeter’sintelligentprocessing

looksatthesignallevelanddeterminestheoptimalsensingcircuitforthe

highestaccuracymeasurement.Withthistechnique,themeterhas0.06%

accuracythroughoutanextendedmeasurementrange,whichisadefining

traitofNexus®Seriesmeters.

Themeter’sstandardpickuprangestartsaslowas1mA,andhigh

accuracyisattainedat25mA.Multi-Gain™metrologyallowsthesame

metertobeusedonboth5Asecondaryand1AsecondaryCTs.The

metershouldmaintainhighaccuracymeasurementthroughoutits

installedlife.Refertotheaccuracychartonthenextpage,fordetails.

Multi-Gain™MetrologyallowstheNexus®1450metertohave

highlyrepeatableandstablemeasurementsthroughoutrange

Typicalaccuracycharts

2

Meter Accuracy Specification



Measurement

VoltageL-N 0.04%ofreading

VoltageL-L 0.04%ofreading

Current 0.04%ofreading

NeutralCurrent 0.1%

Frequency 0.004Hz

Watts 0.06%ofreading

Watt-hour* 0.06%ofreading

VAR 0.15%ofreading

VARh 0.15%ofreading

VA 0.06%ofreading

PowerFactor 0.15%ofreading

THD 2.5%ofreading





Precision Crystal Time Reference:

TheNexus®1450meterisequippedwithaninternalclockcrystal

accurateto3.5PPMoverthefulloperatingtemperaturerangeand5PPM

atovertenyearsofuse.Thishighlyaccuratetrimmedclockdesign

allowsuserstomaintainaccuratetimewhenrunningoncrystal

synchronization.Themeter'sclockcrystalwilldriftlessthan6seconds

permonthfrom(0-40)°C.



Additionaltimesyncmethodsinclude:

• Modbustimesync.

• DNP3.0timesync.

• IRIG-Btimesync.

• SNTPtimesync.

Advanced Energy Meter for

Primary Loads

TheNexus®1450unitisanelectricalenergymeterdesignedtobeused

foranyimportantapplication.Inadditiontohighlyaccurateenergy

measurement,themeterfeatures:

• Full4quadrantmetering.

• Max/Minrecordingwithtimestamp.

• Extensiveloggingwith8logsofprogrammable

historicalprofiles.

• Built-inCORE™logforwebtrending.

• TransformerandLineLosscompensation:forbothironand

copper,andtotalsubstationlosses.

• CTandPTcompensation:tocorrectinstrument

transformererrors.

• Coincidentalreadings:e.g.,PForVARsattimeofPeakDemand.

• Loadaggregation/universalmetering:pulseinputscanbeused

toaggregateoraccumulatedifferentloads.Utilitycommodities

suchasgasandwatercanalsobeaccumulated.

On-board Time of Use Measurements:

TheNexus®1450meterusesaperpetualTimeofUse(TOU)calendar

thatonlyneedstobesetuponce.TheTOUimplementationallowsthe

usertosetupmultipletariffstomeetanycontractualobligations.Italso

allowstheusertocustomizeanyenergyparameterforTOU.The16

availableTOUregisterscanbeconfigurednotonlyforTOUbuilt-inenergy

readings,butalsoforanystoreddatafrompulsesorotherreadingsthat

needTOUfunctionality.

• Uptofourseasons-seasonscanbecustomized.

• Flexiblebillingperiods/rates/holidays/schedulessetup.

• Cumulativeandcontinuouscumulativedemandareavailable.

*(0.025Ato20AatPF=1);fullaccuracyspecificationsaregiveninthe

Nexus® 1450 Meter Installation and Operation Manual.

Measurement

VoltageL-N 0.04%ofreading

VoltageL-L 0.04%ofreading

Current 0.04%ofreading

NeutralCurrent 0.1%

Frequency 0.004Hz

Watts 0.06%ofreading

Watt-hour* 0.06%ofreading

VAR 0.15%ofreading

VARh 0.15%ofreading

VA 0.06%ofreading

PowerFactor 0.15%ofreading

THD 2.5%ofreading

EasilyConfigureAlmostanyTimeofUseUsageProfile

3

Data Logging and Internal Storage

TheNexus®1450meterprovidesadvancedcapabilitiesforstoring

measuredvaluesovertime,fortrendingandanalysis.Themeterhasup

to4GBofmemory,withupto1.2GBallocatedexclusivelytologging

anduserstorage,andispreconfiguredtostoreitscoremeasurements(in

theCORE™log)every15minutes,withoutanyuserintervention.Core

measurementsinclude142differentvalues.Additionally,auserisableto

configureupto8historicallogs.AlllogsworkwithaFIFObufferandroll

overwhenfilled.Thefollowinglogsareavailable:

• Trending Log:Themetersupportsuptoeighthistorical,

trendinglogsof64datachannelsperlog,actingasatraditional

loadprofilerecorderwithupto8separatelogs.

• System Events Security Log:Thisanti-tamperinglog

recordsalleventsinthemeter,withanassociatedtimestamp.

Theunitrecords:

•Resets.

•Programmingchanges.

•Passwordaccesschanges.

•Timechanges.

•Powerup/down.

•ChangeofFirmware.

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• Limit Log:TheLimit/Alarmlogcanbesettorecordonhigh

andlowconditionsforupto32userprogrammablelimits.

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• Input Status Change Log:Thislogsupplies

informationonthestateofthemeter’sinternaldigitalinputs.

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• Power Quality Log:Thislogcapturespowerquality

events,suchassurgesandsags,andletsyouviewandanalyze

thedatathroughpowerqualitygraphs,suchastheITICBEMA

CurveandSEMIF47standards.Seethenextpageformore

powerqualityreportinginformation.

Chart of Memory for Logging

Log Type V1 Record

Size

Days V2 Record

Size

Days

SystemEvents 16384 32768

CORE™Log* 16384 163 32768 327

Log1** 16384 163 32768 327

Log2** 16384 163 32768 327

Log3** 16384 163 32768 327

Log4** 16384 163 32768 327

Log5** 16384 163 32768 327

Log6** 16384 163 32768 327

Log7** 16384 163 32768 327

Log8** 16384 163 32768 327

DigitalInput 16384 32768

Limits/Alarms 16384 32768

PowerQuality 16384 32768

Waveforms*** For512samplespercycle,1

secondwaveformrecordingat60

Hz:682records.

For1024samplespercycle,1

secondwaveformrecordingat

60Hz:341records.

* TheCORE™logautomaticallyrecordsreadingsfor142parametersatthelogginginterval.

Thedefaultintervalis15minutes.Daysarebasedonapproximately100recordsperday.

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**Logs1-8areuser-assignableandallow64parametersperlog.Daysarebasedon

approximately100recordsperday. ***Thenumberofwaveformrecordsdependsonthesamplingrateandthelengthofwave-

formrecording.V1offersupto512samplespercyclerecordingandV2offersupto1024

samplespercyclerecording.

4

Power Quality Measurements

Criticalsensitiveequipmentandoverutilizeddistributionsystemsneedto

bemonitoredforproactivesystemreliabilityimprovements.Bymeasuring

powerqualityindicessuchasvoltageanomalies,harmonics,flicker,

imbalancesandmanyotherconditions,youareabletoquantifyyour

systemreliability.Recordingwaveformeventsonsagsandswells,

includingpeakanddurationoftheevent,withmicrosecondresolution,

willfacilitateforensicengineeringanalysisofharmfuleventsinyour

powersystem.TheNexus®1450meterisdesignedtothehighest

standardsforpowerquality,includingIEC61000-4-7,IEC61000-4-15

andIEC61000-4-30ClassA.

IEC 61000-4-30 Class A Reporting:

• Supportingthemoststringentinternationalpowerquality

standards,theNexus®1450meteroffersfullreportingofpower

qualityconditionsusingtheIEC61000-4-30ClassA

methodology.

• Operatesonboth230volt/50Hzand120volt/60Hz.

IEC 61000-4-15 Flicker Measurement:

• TheNexus®1450metermeasuresFlickerincompliancewith

theIEC61000-4-15ClassAstandard.

• Operatesonboth230volt/50Hzand120volt/60Hz.

IEC 61000-4-7 Harmonics:

• Viewharmonicmagnitudestothe511thorderforeachvoltage

andcurrentchannel,usingEIG'sLogViewersoftware.

• Harmonicmagnitudesandphaseanglesinrealtimeareresolved

tothe127thorder.

• ObtainTHD,TDD,andK-Factor.

• Conductpowerqualityanalysisatthehighendoftheharmonic

magnitudespectrum.

Limits/Alarms:

TheNexus®1450meterletsyousetmultipleprogrammablelimitsfor

anymeasuredvalueandforconditionssetupinaBooleanlogictree.This

featurewillrecordeventsbasedonthresholdsettings.Limitscanbeused

withtimersandlogictotriggercontrolevents.

5

Waveform Recording:

TheNexus®1450meterofferswaveformrecordingatasamplingrateof

upto1024samples/cycle.Themetercanbeprogrammedtorecord

waveformsonmultiplepowerqualityevents,suchassurgesand/orsags.

16-bitA/Dconversionprovidesprecisewaveformresolution.Bothvoltage

andcurrentrecordingofferpreandpost-eventanalysis.Faultrecording

offers8timesfull-scalecapturecapability.Bothhardwareandsoftware

triggersareavailable.



ThewaveformscanbeviewedeitherthroughCommunicatorEXT™

softwareoronthemeter'sbuilt-inwebbrowser,ortheycanbe

downloadedtothirdpartysoftwareforanalysis.Byanalyzingthe

waveforms,thenatureandsourceofpowerqualityanomaliescanbe

determined,andstepscanbetakentoremedythesituation.



Phasor Analysis:

CommunicatorEXT™softwareletsyouviewthephaseanglesand

symmetricalcomponentsforvoltageandcurrent,helpingyouanalyze

electricalsystemproblems.

Cyber Secured Configuration

Protects Meter from Tampering:

• HighlySecureEncryptedPasswords-128BitAESEncryption.

• 10UserIDsandPasswords-Upto30Characters.

• PasswordFailTimeoutsEliminateBruteForceHacking.

• 4RoleswithCustomizedUserAccess.

• PhysicalSealsandLock-outstoPreventHackingorTampering.

V-Switch™ Key technology

TheNexus®1450meterisequippedwithV-Switch™keyupgrade

technologythatletsyouupgrademeterfunctionalityevenafter

installation.Thismeansyoucanpurchasewhatyouneednowandthen

upgradewheneveryouneedtheadditionalfeatures.Followingarethe

availableV-Switch™keys:

Nexus® 1450 Features V1 (Basic) V2 (Advanced)

Basic Measurements

Voltage,Current,etc. P P

THDandHarmonics P P

TimeofUse P P

Power Quality Measurements

WaveformRecording P P

SamplingRate 512 1024

Flicker P P

IEC61000-4-30ClassA S A

EN50160Reporting P P

Storage

CORE™Log P P

CustomHistoricalLogs P P

PQLog P P

WaveformLog P P

LimitLog P P

DigitalInputLog P P

Memoryforlogging 512MB* 1200MB*

Communication

Serial P P

ModbusoverSerial P P

DNP3.0overSerial P P

RJ45Ethernet P P

FiberEthernet P P

ModbusoverEthernet P P

DNP3.0overEthernet P P

*Theunithas4000MBflashmemoryinstalled,forlongerreliablelife.

Someofthememoryisallocatedtowear-levelingandsystemuse.

6

Advanced Communication

TheNexus®1450meterisequippedwithextensivecommunication

capabilitiesthatallowittospeakwithmanydifferentSCADAorother

communicationsystems,simultaneously.Themeterhas6

communicationportsasastandardoffering.Theseportsinclude4serial

portsand2Ethernet-basedcommunicationports.TheEthernetports

includeanSTterminatedfiberopticportandanRJ45port.Bothportsuse

separateIPaddresses,sothattheycanrunonsimultaneousredundant

networks.

Details of Ports:

• 6standardComports.

• 4serialports-RS485(oneoftheportsisRS485/

RS232selectable).

• 2independentEthernetports-RJ45andFiberOptic.

• ModbusRTU,ModbusASCII,ModbusTCP/IP,DNP3.0

Level2communication.

• Allportscanbecommunicatingsimultaneously.

• Ports3and4canbeusedasMasterportstocontrolupto4I/O

moduleseach.

• EachEthernetportcanbeassignedaseparateIPaddress.

Standard I/O

8 Built-in Digital Status Inputs:

• Inputsautomaticallysensewhetherthecircuitis

externallywetted.

• Ifexternallywetted,inputupto150VDCisaccepted.

• Ifinternallywetted,themetersuppliesthenecessaryvoltagefor

thecontrolapplication.

VAUX Input:

• Neutraltogroundorauxvoltagereadingsforsynchronizing

schemes,forexample,obtainingthefrequency,magnitude,and

phaseangleonbothsidesofaswitchorbetweengeneratorand

busvoltage.

Two Standard Pulse Outputs:

• SolidState,form-A,35

ohmmaxonresistance.

• 120mAcontinuous,350

mAmaxfor10ms.

• Peakvoltage:350VDC.



• Switchingratemax:10/s.

• Supportpulse-counting

applications.





TheNexus®1450meterisadirectphysicalretrofitto

Nexus®1250and1252meters.

7

Revenue Seal

TheNexus®1450meterislockabletopreventphysicaltampering.The

followingitemsarepartofthemeter'ssecurity:

• DemandandprogrammingResetbuttonseal.

• Twophysicalmeterseallocations.

• Lockablecoverforvoltageandcurrentinputs.

• Allseals,otherthanDemand/programming,aresoldseparately.

• TwostandardtestpulsesforWhandVARhtesting.

Optional I/O Modules

Analog Outputs:

• 1mAON4/1mAON8:4or8Analog

Outputs,0±1mA,self-powered,scalable,bidirectional.

• 20mAON4/20mAON8:4or8AnalogOutputs,4-20mA,

self-powered,scalable.

• Wiring:CommonMode.

• Accuracy:0.1%ofFullScale.

• Calibration:Self-calibrating.

• Scaling:Programmable.

• Ordering:Upto4AnalogOutputmodules.

Analog Inputs:

• 8AI1:8AnalogInputs,0±1mA.

• 8AI2:8AnalogInputs,4-20mA.

• 8AI3:8AnalogInputs,0±5VDC.

• 8AI4:8AnalogInputs,0±10VDC.

• Wiring:CommonMode.

• Accuracy:0.25%ofFullScale.

• Scaling:Programmable.

• Ordering:Upto4AnalogInputmodules.

Digital Inputs:

• 8DI1:8DigitalStatusInputsWet/Dry.

• Auto-DetectUpto300VDC.

Digital Dry Contact Relay Outputs:

• 4RO1:4RelayOutputs,5A,250VAC/30VDC,Form-C

Latching.

• Ordering:Upto4DigitalDryContactRelayOutputs.

Digital Solid State Pulse Outputs:

• 4PO1:4SolidStatePulseOutputs,FormAorCKYZpulses.

• MaximumPulseSpeed:20pulsespersecond.

• Ordering:Upto4DigitalSolidStatePulseOutputmodules.

I/O Module Accessories:

• PSIO:Powersupplyforupto4additionalI/Omodules.This

accessorymaybeneededwhenusing3ormoredisplaysand/or

modules.

• MBIO:MountingbracketforexternalI/Omodules.Mustbe

orderedwithexternalI/Omodule(required).

Optional Display:

• OptionalmultifunctionLEDMasterdisplay,P40N+,supplies

visualdisplayofmeterreadings;alsousedasaMastervolt

display.

• OptionalSlavedisplaysP41N+(Amperedisplay)andP43N+

(Powerdisplay)canbedaisy-chained.

• DisplayconnectstoanyRS485port.

• P40N+offersUSBconnectiontoaPCfordirectdatadownload

ofreadings.

UseexistinginstalledP40N+SeriesdisplaysandI/Ofromyour

1250/1252installation.

8

WebView™ Energy Dashboard

Built-in Energy Dashboard Allows You to Analyze

Metering Data Without Needing Software:

TheNexus®1450meterutilizesauniqueHTML5-basedwebserver.This

newwebserveractsasanEnergyDashboard,allowingtheusertoview

realtimedata,aswellastoanalyzestoredhistoricallogs,alarms,and

waveformrecords.TheWebView™EnergyDashboardisbuiltona

responsivearchitecture,sothatitwillworkproperlyonhandheldbrowser-

baseddevices,suchastabletsandphones.

UsingtheWebView™EnergyDashboard,theuserisabletonavigate

easilythroughmultiplewebpageviews,gettingdetailedinformationon

energyusageandpowerquality:

• Realtimevoltageandcurrentreadingsanddetailedcharts,so

thattheusercanseeenergyuseovertime.

• Energyusage,quadrantenergychartsandtrending.

• Waveformeventrecords,includingzoomandpan.

• Statusofdigitalinputs.

• Phasordiagram.

• Flickerreadings,includingPSTandPLT.

• Detailedinformationforaccumulatorsandaggregators.

• Meterinformationanddiagnosticwebpagesformeterhealth

andstatus.

• Viewdatadirectlyfromthemeter'swebviewer.

HistoricalLogScreen

EnergyScreen

PhasorScreen

WaveformRecordingScreen

SampleofwattandVARtrendingoverwebpage

VoltageScreen

9

1.07 in

[2.77 cm]

1 in

[2.54 cm]

1.79 in

[4.55 cm]

5.25 in

[13.34 cm]

5.25 in

[13.34 cm]

2X 4.00 in

[10.16 cm]

10.70 in [27.19 cm]

2X 3.35 in

[8.51 cm]

6.74 in

[17.12 cm]

6.25 in

[15.88 cm]

4X 0.22 in

[0.56 cm]

THROUGH-SLOT FOR #10 SCREW

2.56 in [6.51 cm]

2.80 in [7.12 cm]

3.74 in [9.51 cm]

3.35 in [8.51 cm]

Without

Sealed Cover

With

Sealed Cover

3.37 in

[8.57 cm]

4X 0.20 in

[0.50 cm]

3.37 in

[8.57 cm]

1.68 in

[4.28 cm]

4.00 in

[10.16 cm]

Nexus® 1450 Meter

Front Dimensions

Nexus® 1450 Meter

Side Dimensions

P40N+ Front

Dimensions

P40N+

Side Dimensions

P40N+ Back

Dimensions

Nexus® 1450 Meter Base

Nexus® LED Display

Note 1: MountingandI/OModuledetailsareavailableintheNexus® 1450 Meter Installation and Operation Manual.

Note 2: P41N+andP43N+displaysutilizethesamedimensions.

10

Dimensional Drawings

A

A

C

C

LOAD

B N

B N

LINE

Ia

Ib

Ic

N -

Vref

Vc

L +

Vaux

Va

AUXILIARY VOLTAGE

POWER SUPPLY

(DEPENDENT ON EQUIPPED SUPPLY OPTION)

FUSES

LO

LO

LO

HI

HI

HI

TEST BLOCK

SHORTING SWITCH OR

CTs

PTs

EARTH GROUND

EARTH GROUND

FUSE

EARTH

GROUND

B

B

LOAD

A C

AC

LINE

Ia

Ic

N -

Vb

Vc

L +

Va

POWER SUPPLY

(DEPENDENT ON EQUIPPED SUPPLY OPTION)

FUSES

LO

LO

HI

HI

TEST BLOCK

SHORTING SWITCH OR

CTs

EARTH GROUND

EARTH GROUND

FUSE

A

A

C

C

LOAD

B N

B N

LINE

Ia

Ib

Ic

N -

Vref

Vb

Vc

L +

Vaux

Va

AUXILIARY VOLTAGE

POWER SUPPLY

(DEPENDENT ON EQUIPPED SUPPLY OPTION)

FUSES

LO

LO

LO

HI

HI

HI

TEST BLOCK

SHORTING SWITCH OR

CTs

PTs

EARTH GROUND

EARTH

GROUND

FUSE

EARTH

GROUND

A

A

C

C

LOAD

B N

B N

LINE

Ia

Ib

Ic

In

N -

Vref

Vb

Vc

L +

Vaux

Va

AUXILIARY VOLTAGE

POWER SUPPLY

(DEPENDENT ON EQUIPPED SUPPLY OPTION)

FUSES

LO

LO

LO

LO

HI

HI

HI

HI

TEST BLOCK

SHORTING SWITCH OR

CTs

EARTH GROUND

EARTH GROUND

FUSE

3Wire,2ElementDeltaDirectVoltagewith2CTs

Important:ThePotentialbetweenA,B,CandGROUND

mustbelessthan347VAC.

3Phase,4Wire2.5-Elementwith2PTs,3CTs

4-WireWye,3ElementDirectVoltagewith4CTs 4-WireWye,3Elementwith3PTsand3CTs

AdditionalwiringdiagramsforthemeterareavailableintheNexus® 1450 Meter Installation and Operation Manual.

11

Wiring Diagrams

1800ShamesDrive,Westbury,NY115901-877-EIMETER(1-877-346-3837)

Tel:516-334-0870Fax:516-338-4741Email:sales@electroind.com

www.electroind.com

Electro Industries/GaugeTech

™

The Leader in Power Monitoring and Smart Grid Solutions™

E171702010918V.1.02

Ordering Information

Nexus® Base

Meter

Control

Power

Frequency

Range

Virtual

Switch

Option

Numbers:

Example: Nexus 1450 D2 60 V1

Nexus®

1450 Meter

D2

Universal(96-276)V@

50/60HzorDC

60

60Hz

V1

StandardNexus®1450Meter

512MBmemorylogging/

512s/c

D

(18-60)VDC

50

50Hz

V2

V1+1200MB

memorylogging/1024s/c

Specifications

Voltage Input Range:

• (20to720)VAC

• Pickupvoltage:5VAC

Isolation:

• VoltageInputsisolatedto2500VAC

Current Input Range:

• SupportsClass2andClass20in

oneinputconfiguration

• ProgrammabletoanyCTratio

• Faultcurrentrecordingto+/-80Apeak

• Pick-upcurrent:1mA

Current Input Withstand

Capability (at 23 °C):

• 100Afor10seconds

• 300Afor3seconds

• 500Afor1second

Burden:

• VoltageInputs:5Mohmsper

voltageinput

• CurrentInputs:0.028VAperphasemax

at20A

Frequency Range:

• (42.5–69.5)Hz

Environmental:

• Operatingtemp:(-25to+70)°C

• Storagetemp:(-40to+70)°C

• Humidity:Upto95%RH

non-condensing

• ProtectionClass:IP30

Measurement Method:

• Upto1024samplespercycle

(programmable)

• 16BitA/Dresolution–multiple

simultaneousconverters

• Multi-Gain™sensingmethod

• TrueRMS

Accuracy Ratings:

• Energymeasurementaccuracyat0.06%

(0.025Ato20AatPF=1)

• Fullaccuracyspecificationsavailablein

Nexus®1450meterUserManual

• Timeclock:3.5ppmfor

(-25to+70)°C-lessthan10seconds

driftpermonthoncrystalsync;2.0ppm

Typicalfrom0to+40°C-lessthan6

secondspermonthdrift

Update Rate:

• 1Second-HighAccuracyreadings

• 1Cycle-FastUpdatereadings

• Customizablehigh-speedreadings-

updateratefrom2to20cyclesRMS

Control Power Requirements:

• D2Option:(96-276)V@50/60Hz

orDC

• DOption:(18-60)VDC

• Burden:20VAmaxw/oI/Oordisplay;

40VAmaxwithI/Oanddisplay

Communication:

• Baudrateupto115200bps

• Programmableparityandstopbits

• SerialCommunicationprotocols:

ModbusASCII/RTU,DNP3.0

• Ethernet:ModbusTCP,DNP3.0,SNTP,

HTTP

,andHTTPS

• RJ45Ethernetport10/100BaseT

• FiberOpticport100BaseFX

• 4RS485ports

• RS232port(shared)

• RS485Serialportshave18VDC

outputforI/O

• OptionalP40N+displayoffersUSB

TypeBcommunication

Shipping:

• Totalshippingweight:approx.5lbs

(2.2kgs)

• Shippingcontainerdimensions:14"x10"

x6"(35.6cmx25.4cmx15.2cm)

• DisplaysandI/Omodulesshipin

separatecontainers.

Compliance:

• EUDirective2014/32/EU(Measuring

InstrumentsDirective)

• EUDirective2011/65/EU(RoHS2

Directive)

• REACHRegulation(EC)No1907/2006

• ULListed

• ANSIC12.1ElectricMetersCodeFor

ElectricityMetering

• ANSIC12.20ElectricityMeters0.2and

0.5AccuracyClasses

• ANSI(IEEE)C37.90.1(SurgeWithstand)

• ANSIC62.41(Burst)

• IEC60068-2-1EnvironmentalTesting:

TestA:Cold

• IEC60068-2-2EnvironmentalTesting:

TestB:DryHeat

• IEC60068-2-30EnvironmentalTesting:

TestDb:Dampheat,cycle(12h+12h

cycle)

• IEC61000-4-2Electromagneticcompat-

ibility(EMC).Testingandmeasurement

techniques.Electrostaticdischarge

immunitytest

• IEC61000-4-3Electromagnetic

compatibility(EMC).Radiated,radio-

frequency,electromagneticfield

immunitytest

• IEC61000-4-4Electricalfasttransient/

burstimmunitytest

• IEC61000-4-5Surgeimmunitytest

• IEC61000-4-6Immunitytoconducted

disturbances,inducedbyradio-

frequencyfields

• IEC61000-4-7Generalguideon

harmonicsandinterharmonic

measurementsandinstrumentation

• IEC61000-4-30Powerquality

measurementmethods

• IEC62052-11Generalrequirements,

testsandtestconditions-Metering

equipment

• IEC62053-22ParticularRequirements-

Staticmetersforactiveenergy(Classes

0,2Sand0,5S)

• IEC62053-23,Staticmetersforreactive

energy(Classes2and3)

• IEEE519RecommendedPracticesand

RequirementsforHarmonicControlin

ElectricalPowerSystems

External I/O Modules:

• 1mAON4:4AnalogOutputs,0±1mA

• 1mAON8:8AnalogOutputs,0±1mA

• 20mAON4:4AnalogOutputs,4-20mA

• 20mAON8:8AnalogOutputs,4-20mA

• 8AI1:8AnalogInputs,0±1mA

• 8AI2:8AnalogInputs,4-20mA

• 8AI3:8AnalogInputs,0±5VDC

• 8AI4:8AnalogInputs,0±10VDC

• 4RO1:4RelayOutputs

• 4PO1:4SolidStatePulseOutputs

• 8DI1:8DigitalStatusInputs

• PSIO:PowerSupplyforupto4

additionalI/Omodules

• MBIO:I/Omountingbracket(mustbe

orderedwithexternalI/Omodule)

Note:PleaseseetheNexus® 1450 meter

Installation and Operation Manualfor

comprehensivespecifications.

Accessories

Software

COMEXT4P1Y CommunicatorEXT4.0

SoftwareforWindows

Single-ComputerLicense(One

Year)

Displays

P40N+

P41N+

P43N+

MultifunctionLEDDisplay/Master

AmpDisplaySlave

Watt/VAR/PFDisplaySlave

I/O Modules

1mAON4

1mAON8

20mAON4

20mAON8

8AI1

8AI2

8AI3

8AI4

4RO1

4PO1

8DI1

PSIO

*MBIO

E171103

4AnalogOutputs,0±1mA

8AnalogOutputs,0±1mA

4AnalogOutputs,4-20mA

8AnalogOutputs,4-20mA

8AnalogInputs,0±1mA

8AnalogInputs,4-20mA

8AnalogInputs,0±5VDC

8AnalogInputs,0±10VDC

4RelayOutputs

4SolidStatePulseOutputs

8DigitalStatusInputs

PowerSupplyforAdditional

I/OModules

I/OMountingBracket

DINRailMountKitforNexus®

1450meter

Accessories Note:

*MustbeorderedwithanexternalI/Omodule.

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Nexus® 1450

web page:

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