& Energy, With RS 485 Communication & Limit Relay/Switch .

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ENGLISHDatasheetArticle No: 136-5383Digital Multi-Function Meter 3 Line Display, 96x96, 3Ph, V A F Power& Energy, with RS 485 CommunicationArticle No: 136-5384Digital Multi-Function Meter 3 Line Display, 96x96, 3Ph, V A F Power& Energy, with RS 485 Communication & Limit Relay/Switch OptionRS Pro

RS Pro MODBUS (RS485) Communication (optional) Pulse/Limit Switch output (optional) 3 Line 4 Digits ultra bright LED Display (up to 9999) On site Programmable CT/PT Ratios User selectable CT Secondary 1A/5A User selectable PT Secondary from 100 VLL to 500 VLL Programmable Energy format & Energy rollover count Wide auxillary Power Supply which can accept any input between40V – 300V AC/DCRS Pro is a compact multifunction instrument which Measures importantelectrical parameters in 3 phase 4 Wire and 3 phase 3 Wire Network &replaces the multiple analog panel meters.RPM MeasurementThe instrument display Rotation per minutes for generator applications.Number of poles can be set on site depending upon applicationrequirement.Energy Count StorageIn case of power failure, the instrument memorizes the last energy count.Every 1 min, the instrument updates the energy counter in thenon-volatile memory.User selectable 3 phase 3 Wire or 4Wire or Single phase NetworkUser can program on site the network connection as either 3 Phase 3Wire or 4 Wire or single phase network using front panel keys. Optionalself-powered available, only on either 3 Phase 4 wire or single phasenetwork are available on request.Onsite selection of Auto scroll / Fixed ScreenUser can set the display in auto scrolling mode or fixed screen mode usingfront panel keys.Optional Pulse Output / Limit switch (Relay output)ApplicationThe instrument can be programmed as Pulse output or Limit switch.The RS Pro measures important electrical parameters in 3 phase 4 Wireand 3 phase 3 Wire Network & replaces the multiple analog panel meters.It measures electrical parameters like AC Voltage, AC Current, Frequency,Active, Reactive, Apparent Power, Import Export Energy & many more.Pulse OutputThe optional pulse output is a potential free, very fast acting relay contactwhich can be used to drive an external mechanical counter for energymeasurement.Product FeaturesLimit SwitchThe instrument will trip the relay if the programmed parameter exceedsthe programmed Trip Limits.On site programmablePT / CT ratiosIt is possible to program primary of external potential Transformer (PT),primary of external Current Transformer (CT) on site via front panel keysby entering into Programming mode.Optional MODBUS (RS485) OutputThe optional Modbus output enables the instrument to transmit all themeasured parameters over standard MODBUS (RS485).User selectable CT Secondary 5A /1AThe secondary of external Current Transformer (CT) can be programmedon site to either 5A or 1A using front panel keys.Configuration of Instrumnet via MODBUSThe instrument setting can be configured locally via front panel keys byentering into the programming mode or rometely via MODBUS (Rs485).Note: The MODBUS communication parameters can only be setlocally via front panel keys in programming mode.User selectablePT SecondaryThe secondary of external Potential Transformer (PT) can be programmedon site from 100VLL to 500VLL using front panel keys. User can set thedisplay in auto scrolling mode or fixed screen mode using front panel keys.Low back depthThe instrument has very low back depth (behind the panel) of less than55 mm (Without output option).Four function keysUsing the four function key, it is possible to go desired parameter screeninstantly. Measures & Displays Current Demand, kVA Demand, kWImport Demand, kW Export Demand. Any of the parameters can beassigned to optional Limit switch.Demand MeasurementMeasures & Displays Current Demand, kVA Demand, kW ImportDemand, kW Export Demand. Any of the parameters can be assignedto optional Limit switch.3 line 4 digits LED displaySimultaneous display of 3 Parameters.Issue 1.0Storage of parameters possibleThe instrument stores minimum and maximum values for System Voltage,System Current, Run Hour, ON Hour & number of Interrupts. Every60 sec stored values are updated.Enclosure Protection for dust and waterConforms to IP 50 (for front face) & IP 20 (for back) IP 65 (for front withseal) as per IEC60529.EMC CompatibilityCompliance to International standard IEC 61326. Interference IEC61326-1 : 2005, Class A EmissionInterference ImmunityIEC 61326-1 : 2005Electrostatic discharge contact/air. (ESD)IEC 61000-4-2 -- 4kV/8kVEM FieldIEC 61000-4-3 -- 10 V/m (80 MHz to 1 GHz)– 3 V/m (1.4 Ghz to 2 GHz)-- 1 V/m (2 GHz to 2.7 GHz)PAGE 1

Product Features ContinuedTrue RMSmeasurementEnergyMeasurement(Import & Export)ProgrammableEnergy format &Energy rollovercountThe instrument measures distorted waveform up to 15th Harmonic.Active Energy (kWh), Reactive Energy (kVArh),Apparent Energy (kVAh). Any of the parameterscan be assigned to optional Pulse output.Customer can assign the format for energydisplay on MODBUS (RS485) in terms ofW, kW or MW. Additional to this, customer canalso set a rollover count from 7 to 14 digitsdepending on the energy format, after whichthe energy will roll back to zero.Technical SpecificationsReference conditions for AccuracyReference temperature23 C /- 2 CInput waveformSinusoidal (distortion factor 0.005)Input frequency50 or 60 Hz 2%Auxiliary supply voltageRated Value 1%Auxiliary supply frequencyRated Value 1%Voltage Range20. 100% of Nominal Value.Current Range10. 100% of Nominal Value.PowerCos phi / sin phi 1 for Active /Reactive Power & Energy.10. 100% of Nominal Current &20. 100% of Nominal Voltage.Power Factor /40. 100% of Nominal Current &Phase Angle20. 100% of Nominal Voltage.AccuracyVoltage 1% of Nominal Value.Current 1% of Nominal Value.Frequency0.5% of mid frequencyActive Power 1% of Nominal Value.Re-Active Power 1% of Nominal Value.Apparent Power 1% of Nominal Value.Active Energy 1%Reactive Energy 1%Apparent Energy 1%Power Factor2% of UnityPhase angle2% of rangeBurstSurgeConducted RFRated PowerFrequencymagnetic FieldVoltage dipShort interruptionscycles.IEC 61000-4-4 -- 2 kV (5/50 ns, 5 kHz)IEC 61000-4-5 -- 1 kVLL / 2 kVLN.IEC 61000-4-5 -- 3 V (150 kHz to 80 MHz)IEC 61000-4-8 -- 30 A/mIEC 61000-4-11 -- 0% during 1 cycle.-- 40% during 10/12 cycles.-- 70% during 25/30 cycles.IEC 61000-4-11 -- 0% during 25/30 cycles.25 cycles for 50 Hz test.30 cycles for 60 Hz test.Dimension DetailsWith optional MODBUS / Limit switchMeasurement error is normally much less than error specified above.Variation due to influence quantity is less than twice the error allowed forreference condition.Issue 1.0PAGE 2

Dimension DetailsTechnical SpecificationsInput VoltageNominal input voltage(AC RMS)Max continuous inputvoltage 120% of rated valueNominal input voltageburdenSystem PT secondary valuesSystem PT primary valuesInput CurrentNominal input currentSystem CT secondary valuesSystem CT primary valuesMax continuousinput currentNominal input currentburdenAuxiliary SupplyExternal AuxSelf poweredFrequency rangeVA burdenOverload WithstandVoltageCurrentPhase –Neutral 290V L-N ,Line-Line 500V L-L120% of rated valueWith optional MODBUS / Limit switch 0.3 VA approx. per phase(For external auxiliary meter)100VLL to 500VLL programmableon site.100VLL to 692kVLLprogrammable on site.5A / 1A AC RMS1A & 5A programmable on siteFrom 1A up to 9999A (for 1 or 5 Amp )120% of rated value 0.2 VA approx. per phase40 V – 300V AC-DC ( 5 % )input voltage range from 80% to 100%of Rated value. (Self powered meter isavailable only in 3Phase 4 Wire andSingle Phase network.) Auxiliary inputis derived from Phase 1 (R phase)45 to 65 Hz 4 VA Approx.2 x rated value for 1 second, repeated10 times at 10 second intervals20x rated value for 1 second,repeated 5 times at 5 min intervalsOperating Measuring RangesVoltage Range With10 120% of rated valueExternal AuxVoltage Range With80 120% of rated valueSelf PowerCurrent Range10 120% of rated valueFrequency45 65 Hz.Power Factor0.5 Lead . 1 . 0.5 Lag.Issue 1.0PAGE 3

InstallationTechnical SpecificationsLimit Switch (Relay)Switching Voltage &Current for RelayInfluence of VariationsTemperature coefficientDisplay update rateResponse time to step inputApplicable StandardsEMCSafetyIP for water & dustSafetyPollution degreeInstallation categoryHigh Voltage TestEnvironmentalOperating temperatureStorage temperatureRelative humidityWarm up timeShockVibrationEnclosureFrontFront with seal (Option)BackDimensions and WeightsBezel sizePanel cut-outOverall depthPanel ThicknessWeightIssue 1.0240 VDC ,5 A (1NO 1NC)Easy Clip in Installation on Panel.0.025%/ C for Voltage0.05%/ C for Current1 sec approx.IEC 61326-1: 2005IEC 61010-1-2001 , Permanentlyconnected useIEC605292III4.7 kV DC, for 1 minute between Aux.and measuring inputs-20 to 70 C-30 to 80 C0 to 95% non condensingMinimum 3 minute15g in 3 planes10. 55 Hz, 0.15mm amplitudeIP 50IP 65IP 2096 mm x 96 mm DIN 43 718.92 0.8 mm x 92 0.8 mm.55 mm.(without output option)1 - 3 mm for self clicking,1 – 6 mm for swivel screws.320 gm. Approx.(with output option)PAGE 4

Technical SpecificationsPulsed Output OptionEnergy (can be programmed for different energy parameters simultaneously)Relay contact(1NO 1NC)Switching Voltage &240 VDC ,5 Acurrent for RelayDefault pulse rate divisor1 per Wh (up to 3600W) 1 per kWh (up to 3600kWh) 1 per MWh (above 3600kW)Other Pulse rate divisors (applicable only when Energy on RS485 is in W)101 per 10 Wh (up to 3600W)1 per 10 kWh (up to 3600kWh))1001 per 100 Wh (up to 3600W1 per 100 kWh (up to 3600kWh)10001 per 1000 Wh (up to 3600W)1 per 1000 kWh (up to 3600kWh)Pulse Duration : 60 msec, 100 msec, 200 msec.Above options are also applicable to Apparent and Reactive Energy.1 per 10 MWh (above 3600kW)1 per 100 MWh (above 3600kW)1 per 1000 MWh (above 3600kW)Electrical InstallationsIssue 1.0PAGE 5

Rear ConnectionParameter measurement and DisplaySr 20.21.22.23.24.25.26.27.ParameterSystem VoltsSystem CurrentVolts R–N (Phase Voltage for Single phase)Volts Y–NVolts B–NVolts R-YVolts Y–BVolts B–RCurrent R (Phase Current for Single phase)Current YCurrent BFrequencySystem Active Power (kW)Active Power R (Phase Power for Single phase) (kW)Active Power Y (kW)Active Power B (kW)System Re-active Power (kVAr)Re-active Power R (Phase Power for Single phase) (kVAr)Re-active Power Y (kVAr)Re-active Power B (kVAr)System Apparent Power (kVA)Apparent Power R (Phase Power for Single phase) (kVA)Apparent Power Y (kVA)Apparent Power B (kVA)System Phase AngleSystem Power FactorPower Factor R3 Phase 4 Wire 3 Phase 3 Wire 1 Phase 2 Wire - Available - Not availableIssue 1.0PAGE 6

Parameter measurement and DisplaySr 44.45.46.47.48.49.50.51.ParameterPower Factor YPower Factor BPhase Angle RPhase Angle YPhase Angle BActive Energy Import (kWh)Active Energy Export (kWh)Reactive Energy Import (kVArh)Reactive Energy Export (kVArh)Apparent Energy (kVAh)RPMMax (System Voltage / System Current)Min (System Voltage / System Current)Hour RunON HourNumber of auxiliary interruptCurrent DemandkVA DemandkW Demand ImportkW Demand ExportMax Current DemandMax kVA DemandMax kW Demand ImportMax kW Demand Export3 Phase 4 Wire 3 Phase 3 Wire 1 Phase 2 Wire - Available - Not availableOrdering CodeArticle No: 136-5383RS Pro 3 Line display Volts, Amp Frequency, Power and Energy, 96x96mm, 3 Phase 3/4W programmable onsite,AC VAF Power Energy meter, 14mm display,Input. 100-500VLL,Input. 1 or 5 Amps AC,Supply Voltage. 40-300V AC/DC auxiliary (Programmable CT/PT primary and secondary values with RS 485 Communication)Article No : 136-5384RS Pro 3 Line display Volts, Amp Frequency, Power and Energy, 96x96mm, 3 Phase 3/4W programmable onsite,AC VAF Power Energy meter, 14mm display,Input. 100-500VLL,Input. 1 or 5 Amps AC,Supply Voltage. 40-300V AC/DC auxiliary (Programmable CT/PT primary and secondary values with Limit Switch/Relay O/P, RS 485 Communication)Issue 1.0PAGE 7

measured parameters over standard MODBUS (RS485). Configuration of Instrumnet via MODBUS The instrument setting can be configured locally via front panel keys by entering into the programming mode or rometely via MODBUS (Rs485). Note: The MODBUS communication parameters can only

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