Siemens SMART 7KT Manual de usuario
2
SMART 7KT0310 Manual
1. Introduction 3
2. Safety precautions 4
3. Technicalspecication 5
4. Installation 7
5. Connection 9
6. Conguration 10
7. Communication 14
8. Maintenance 19
SMART 7KT
Multifunction meter
7KT0310
Manual
Index
01/2022
SME7KT03100122
3
SMART 7KT0310 Manual
Introduction
1.1 Purpose of this document
This present manual describes the SMART 7KT multifunction meter.
It is intended for the use of:
• Planners
• Plantoperators
• Commissioningengineers
• Serviceandmaintenancepersonnel
1.2 Required basic knowledge
Ageneralknowledgeoftheeldofelectricalengineeringisrequiredtounderstandthismanual.
Knowledgeoftherelevantsafetyregulationsandstandardsisrequiredforinstallingandconnectingthedevice.
1.3 Components of the product
The carton for the products contain
1 SMART 7KT meter
1setofclamps(4clamps)formountingthemeteronthepaneldoor
1Gasket
1Operatinginstruction
4nos.TerminalClamps RubberGasketx1
4
SMART 7KT0310 Manual
Safety
precautions
Pleasereadandunderstandtheseinstructionsbeforeinstalling,operating,ormaintainingtheequipment.
DANGER
Hazardousvoltage.Willcausedeathorseriousinjury.Turnoffandlockoutallpower
supplytothisdevicebeforeworkingonthisdevice.
Replaceallcoversbeforepowersupplyingthisdeviceisturnedon.
Allsafetyrelatedcodications,symbolsandinstructionsthatappearinthisoperatingmanualorontheequipment
mustbestrictlyfollowedtoensurethesafetyoftheoperatingpersonnelaswellastheinstrument.Iftheequipmentis
notusedinamannerspeciedbythemanufactureritmightimpairtheprotectionprovidedbytheequipment.
Donotusetheequipmentifthereisanymechanicaldamage.
Ensurethattheequipmentissuppliedwithcorrectvoltage.
CAUTION:
1. Read complete instructions prior to installation and operation of the unit.
2. Riskofelectricshock.
3. Theequipmentinitsinstalledstatemustnotcomeincloseproximitytoanyheatingsources,oils,steam,
causticvaporsorotherunwantedprocessbyproducts.
5
SMART 7KT0310 Manual
Technical
specification
Display
Typeandspecics • LargebacklitLiquidCrystaldisplay
• 4Lineswith4digitseachtoshowmeasuredvalues
• 5thLinewith8digitstoshowenergyvalues
• Graphforcurrentloadingindication
Sizeofdisplay(mmxmm) 60.3mmx60.3mm
LCDIndications
I
Integrationofenergy
PRG Unitisincongurationmenu
Communicationinprogress
MAX DMD MaximumandMinimumDemandPower
Display update time 1 sec. for all parameters
Displayscrolling AutomaticorManual(Programmable)
Passwordprotected Yes
Wiring input 3Ø-4wire,3Ø-3wire,1Ø-2wire
Measuring inputs
Ratedinputvoltage 11to300VAC(L-N);19to519VAC(L-L);InstallationCategoryIII(600V)
Frequencyrange 45-65Hz
Rated input current Nominal1A/5AAC(Min-11mA,Max-6Afor5A)
Auxiliary supply 95Vto240VAC,±10%,50/60Hz(±5%)
Memory (behaviour in the event of power
failure)
Retainsallenergyvalues,Onhourscountervalueandcongurationsettingsincaseof
powerfailure
CT/PT Settings
CTType MeasurementC.T,FS10
CTPrimary 1A/5Ato10,000A(ProgrammableforanyValue)
• 1Ato10,000AwhenCTsecondaryis1
• 5Ato10,000AwhenCTsecondaryis5
CTSecondary 1Aor5A(Programmable)
Burden 0.5VA@5Aperphase
PTPrimary 100Vto500kV(Programmableforanyvalue)
PTSecondary 100Vto500VAC(L-L)(Programmableforanyvalue)
Power consumption Lessthan8VA
Environmental conditions • Temperature(Operating):-10°Cto55°C
• Temperature(Storage):-20°Cto75°C
• Humidity:Upto85%non-condensing
• Altitude:ofupto2000meters
• Indooruse
• PollutiondegreeII
Mounting Panel-doormounting
Protection Class II
Degree of protection according to IEC 60529 Front:IP65(whenmountedonthepaneldoor)
Rear:IP20
Overvoltage Category III
Dimensions and weight LxBxD:96x96x55mm
Weight:360gms
Digital Input
Number 1
Inputvoltage Maximuminputvoltage:28VDC
Switchingthresholdforsignal"1“>__VDC
Input current Forsignal“1”:typ__mA
6
SMART 7KT0310 Manual
Measured variables
Measured variable On display On communication
VoltageVL-N,VL-L ● ●
Current ● ●
Neutralcurrent ● ●
Frequency ● ●
Powerfactor ● ●
Activepower ● ●
Reactivepower ● ●
Apparentpower ● ●
Activeenergy(Import,Export,Total) ● ●
Reactiveenergy(Import,Export,Total) ● ●
Apparentenergy ● ●
Maxdemand(current)oversetdemandperiod ● ●
Maxdemand(active,reactiveandapparentpower)oversetdemand
period
● ●
Phaseangleof3phases ●–
THD%(Current) ● ●
THD%(Voltage) ● ●
Individualharmonics(Current) –●
Individualharmonics(Voltage) –●
–:Notthere
●:Available
Measuring accuracy
Measured variable Error limits
VoltageVL-N 0.5%ofFullscale(300VAC)
VoltageVL-L Fullscale0.5%
Current PhaseCurrent:0.5%offullscale
Neutralcurrent:1%offullscale
Frequency 0.1%
ForL-NVoltage>20V,
ForL-LVoltage>35V
Powerfactor 0.01Digit
Activepower 1%
Reactivepower 1%
Apparentpower 1%
Activeenergy Class1(asperIEC62053-21)
Reactiveenergy Class2(asperIEC62053-23)
Apparentenergy 1%
Phaseangleof3phases 1%
THD(Current) 1%
THD(Voltage) 1%
Harmonics(Current) 1%
Harmonics(Voltage) 1%
Whenmeasuringonexternalcurrenttransformersorvoltage
transformers,theaccuracyofthemeasurementdependsonthe
qualityofthetransformer.
IEC Standards
Description Standard
Energyaccuracy IEC62053-21|Activeenergy
EMCrequirements IEC61326-1:2012
Degreeofprotectiontest(IP) IEC60529
Safetyrequirements IEC61010-1:2010and
IEC61010-2-030:2010
Vibrationandmechanicalshock IEC62052-11
Certications
SMART7KTmultifunctionmeterconformstoIEC
standards,IPCelectronicsassemblystandardand RoHS
7
SMART 7KT0310 Manual
Assembly
Installation
For installing the meter
Preparethepanelcutoutwithproperdimensionsasshownbelow.
FRONT PANEL DESCRIPTION OUTLINE
Dimensions (in mm)
PANEL CUTOUT
Dimensions (in mm)
90.5
50
96
596
91.5
91.5
1. Insert unit into the panel 2. Positiontheclamps(asshowninthe
gure)andpushthesameintotheslots
intheirrespectivelocations.
3. Push/Slideall4clampstowardsthepanel
evenlytillthelowestpossibletoothof
theclampisengaged.Ensure the meter
is properly tightened and it does not
move.
PANEL
GASKET
UNIT
1
2
3
4
Base clamp
position
Base clamp
position
SLIDING
CLAMP
SLIDING
CLAMP
Note:Terminalscrewtighteningtorque:0.7N-mto0.8N-m(6In-Lbto7In-Lb)
Thedistancetobemaintainedbetweentwometerswhile
mountingonapaneldoorshouldbeatleast100mm.
100 mm
100 mm 100 mm
100 mm
Mounting distance
8
SMART 7KT0310 Manual
Installation Guidelines
1. Thisequipment,beingbuilt-in-type,normallybecomesapartofmaincontrolpanelandinsuchcasetheterminals
donotremainaccessibletotheenduserafterinstallationandinternalwiring.
2. Conductorsmustnotcomeincontactwiththeinternalcircuitryoftheequipmentorelseitmayleadtoasafety
hazardthatmayinturnendangerlifeorcauseelectricalshocktotheoperator.
3. Circuitbreakerormainsswitchmustbeinstalledbetweenpowersourceandsupplyterminalstofacilitate
power‘ON’or‘OFF’function.Howeverthisswitchorbreakermustbeinstalledinaconvenientpositionnormally
accessible to the operator.
4. Beforedisconnectingthesecondaryoftheexternalcurrenttransformerfromtheequipment,makesurethatthe
currenttransformerisshortcircuitedtoavoidriskofelectricalshockandinjury.
5. Theequipmentshallnotbeinstalledinenvironmentalconditionsotherthanthosementionedinthismanual.
6. Theequipmentdoesnothaveabuilt-in-typefuse.Installationofexternalfuseofrating275VAC/0.5Ampfor
electricalcircuitryishighlyrecommended.
7. Removethescratch-guardfromthemeterdisplayduringcommissioningofthepanel.
Wiring Guidelines
1. Topreventtheriskofelectricshock,powersupplytotheequipmentmustbekeptOFFwhiledoingthewiring
arrangement.
2. Wiringshallbedonestrictlyaccordingtotheterminallayout.Conrmthatallconnectionsarecorrect.
3. Useluggedterminals.
4. Toreduceelectromagneticinterferenceuseofwireswithadequateratingsandtwistsofthesameinequalsize
shallbemadewithshortestconnections.
5. LayoutofconnectingcablesshallbeawayfromanyinternalEMIsource.
6. Cableusedforconnectiontopowersource,musthaveacross-sectionof1mm2to2.5mm2.Thesewiresshallhave
currentcarryingcapacityof6A.
7. Coppercableshouldbeused(StrandedorSinglecorecable).
For demounting the meter
Pullthearmoftheslidingclampsin
outwarddirection(oppositetometer)and
dragtheslidingclampsawayfromthe
panel.
Dis-assemblethesnapttedbaseclamps
fromthemeterusingascrew-driver
Pushthemeterfrombacksideoutofthe
panelwindowandremovethegasketfrom
the meter
Sliding Clamps
X 4nos.
Base Clamps
X 4nos
Mete
r
Gasket
Panel
9
SMART 7KT0310 Manual
Connection
N
S2S1S2S1S2S1 V1
N
L
O
A
D
I1
V2 V3
L1
L2
L3
I
2
I
3
DI
L
N
+
RS485
+
CONNECTIONS DIAGRAM
3 Phase 4-Wire (commonly used)
3Ø-4Wire,3CT’S 3Ø-4Wire,3CT’Sand3PT’S
S2S1 S2S1 S2S1 NV2V3
LOADLINE
L1
L2
L3
N
I1I2I3
V1
#
DI RS485
L
N
LN
#
++
+
SMART7KT
Voltageupto 500V without PT
LINE
DI RS485
L
N
LN
#
LOAD
L1
L2
L3
N
#
S2S1 S2S1 S2S1 NV1V2V3
I1I2I3
++
+
SMART7KT
Voltage 100V-500kV withPT
Circuit Diagram
10
SMART 7KT0310 Manual
3 Phase 3-Wire
3Ø-3Wire,2CTsand2PTs
1 Phase 2-Wire
1Ø-2Wire,1CT
S2S1 S2S1 S2S1 V1NV2V3
LOADLINE
L1
L2
L3
I1I2I3
#
DI RS485
L
N
LN
#
+
+
SMART7KT
S2S1 S2S1 S2S1 V1NV2V3
LOADLINE
L1
N
I1I2I3
#
DI RS485
L
N
LN
#
+
+
SMART7KT
Circuit Diagram (Continued)
#AllFuseType:0.5A,ClassgG
Otros manuales para SMART 7KT
5
Este manual sirve para los siguientes modelos
1
Tabla de contenidos
Otros manuales de Instrumento de medición de Siemens
Siemens
Siemens SMART 7KT Manual de usuario
Siemens
Siemens SITRANS MAG 5100W Manual de usuario
Siemens
Siemens SITRANS FUE950 Manual de usuario
Siemens
Siemens SITRANS F Manual de usuario
Siemens
Siemens Sitrans F Series Guía del administrador
Siemens
Siemens SITRANS F M MAG 3100 Manual de usuario
Siemens
Siemens pointek CLS 100 Manual de usuario
Siemens
Siemens SENTRON PAC4200 Manual de usuario
Siemens
Siemens SIMEAS R-PMU Manual de usuario
Siemens
Siemens SICAM P20 Manual de usuario
Siemens
Siemens 9810 Series Manual de usuario
Siemens
Siemens Sitrans F Series Manual de usuario
Siemens
Siemens SITRANS F C MASSFLO Manual de usuario
Siemens
Siemens SITRANS SCM IQ Manual de usuario
Siemens
Siemens LMS SCADAS XS Manual de usuario
Siemens
Siemens SITRANS F US Manual de usuario
Siemens
Siemens SIMATIC HMI TP1000F Mobile RO Manual de usuario
Siemens
Siemens 5SM6 011-1 Manual de usuario
Siemens
Siemens SC 7000 Manual de usuario
Siemens
Siemens SD 270 Manual de usuario
