Enersol MFLR09 User Manual
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Enersol MFLR09 User Manual

Energy meter
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MFLR09 | Energy Meter

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Summary of Contents for Enersol MFLR09

  • Page 1 User Manual MFLR09 | Energy Meter...

  • Page 2: Table Of Contents

    Table of Contents 1. Family Overview..................3 2. Safety Precautions..................4 3. Enersol Toroidal Meters - Key things to consider........5 4. Technical details..................6 Ordering Code.................7 5. List of parameters..................8 6. Validating parameters..................9 7. Parameter Description................10 7.1 Power....................10 7.2 Energy....................10 7.3 Power factor..................11 7.4 Ampere.....................11...

  • Page 3: Family Overview

    1. Family Overview MFLR09 Family Enersol MFLR09 is Multi-Function meter. It is easy to operate and monitor basic electric parameters. A Meter With Always ON Energy Display Along with all basic electric parameters, MFLR09 family measures active, reactive as well as apparent power/Energy, site configurable, which...

  • Page 4: Safety Precautions

    2. Safety precautions A voltage level of 415 volts is present at the meter back side which can be lethal, Improper handling can cause series injuries or death. Before operating, it is advised to be friendly with the metering and electrical devices basics. Below are few things that one should follow to operate on the meter 1.

  • Page 5: Enersol Toroidal Meters - Key Things To Consider

    3. Enersol Toroidal Meters - Key things to consider 1. Never Connect CTs of this toroidal meter to the electric CT Shorting Block earth or any other earth connection. 1 2 3 4 5 6 7 8 9 2. Never short S2 of all CTs. Use only...

  • Page 6: Technical Details

    4. Technical Details General Direct sense loads up to 60A. No /5 CT requirements Available in accuracy class 1 and 0.5. Available with and without port. Available in 3 phase or in single phase configuration. Instantaneous Values Current True RMS Current. Measures average & per phase current. Including up to 15th harmonic component. True total and per phase PF measurement along with Load type indication (Capacitive &...

  • Page 7: Ordering Code

    Ordering Codes MFLR0905, 60A, 1ɸ MFLR09 meter ( with RS485 port) / Class 0.5 / 60Amp Current rating / Single Phase Configuration. MFLR0905, 60A, 3ɸ MFLR09 meter ( with RS485 port) / Class 0.5 / 60Amp Current rating / 3 Phase Configuration.

  • Page 8: List Of Parameters

    5. List of parameters S.No. Parameter Description Ampere Meter calculate phase wise as well as average Ampere. Avg Ampere = (IR + IY + IB) / 3 (in case of Star/delta) OR Avg Ampere = IR (In case of Single Phase) *Watt Meter calculate phase wise as well as Total watt.

  • Page 9: Validating Parameters

    For ex:- If watt = 2Kilowatt and suppose we want to calculate energy for 30 mins (0.5Hours), then Kwh (for 30 mins) = 2 * 0.5 = 1Kwh (Similarly, KVAh and KVARh can be calculated) ENERSOL MFLR09 To validate the energy, meter has Tot: 1.79KW calibration LED, this LED blinks 1600 0002504.3KWh...

  • Page 10: Parameter Description

    7.2 Energy: Meter can either display Kwh or KVAh or KVARh (total and phase wise) one at a time. This is site configurable. Refer to programming manual on how to change load type. Below are some sample screens. ENERSOL MFLR09 ENERSOL MFLR09 ENERSOL...

  • Page 11: Power Factor

    At RS485 port, PF will be shown as below: if PF IS 0.894L (Inductive load) then at port we get 0.894 if PF IS 0.894C (Capacitive load) then at port we get -0.894 ENERSOL MFLR09 ENERSOL MFLR09 r0.855L Tot: 0.855L PF...

  • Page 12: Rpm

    7.5 RPM: Meter can calculate DG RPM. User can configure the number of poles DG have, on the meter. Below is sample screen. MFLR09 ENERSOL RPM: 1500 Row 1: DG RPM PROG Row 2: DG RPM = 1500 Series 7.6 Energy Reset: Energy reset means Kwh or KVAh or KVArh (for which meter is configured) reset to zero.

  • Page 13: Meter Run Hours

    7.7 Meter Run Hours: It calculates for how much total time meter was under load condition. Below sample display reads as Total Meter Run Hours: 0 hours 33 Minutes 43 Seconds ENERSOL MFLR09 Seconds Run Hours: 00000000:33:43 Minutes Hours Row 1: Run Hours...

  • Page 14: Diagnosis

    CT Black wire 1 2 3 4 5 6 7 8 9 indication. S1 and S2 are the secondary wire of CT. MFLR09 whole Y CT R CT B CT...
  • Page 15 2. If voltage is connected in phase sequence R, Y & B then, current should also be in R, Y & B sequence. sample screen shown below. Sample Screen reads as ENERSOL MFLR09 Row 1: No current (or less than 10mA) current is flowing via CT of R Phase rCT: NL...
  • Page 16 Sample screen for some possibilities is depicted below Let it be a case of star (3P4W) configuration. As seen ENERSOL MFLR09 from the connections, phase sequence is R, B & Y. This 1 2 3 4 5 6 7 8 9 Phase Sq.:...

  • Page 17: Interface And Input Terminals

    8. Interface & Input Terminals 8.1 Meter Front Meter Type MFLR09 ENERSOL Tot: 1.79KW Row 1 0002504.3KWh Row 2 Calibration LED Communication Status LED Programming Button Up Button PROG Series Enter Button Down Button Page Button Page 17...

  • Page 18: Screen Description

    8.1.1 Screen Description Display Functions Description ---- Meter Family Type ---- Row 1. It can display up to 16 characters (Alphabets, Numbers, special Characters) ---- Row 2. It can display up to 16 characters (Alphabets, Numbers, special Characters) Enter Button. Page Button, use for scrolling among available Electric parameter category.

  • Page 19: Meter Back Terminals

    8.2 Meter Back Terminals Input - Y Phase CT Red Wire Input - Y Phase CT Black Wire Input - B Phase CT Black Wire Input - R Phase CT Red Wire Input - B Phase CT Red Wire Input - R Phase CT Black Wire Input - RS485 “-”...

  • Page 20: Display Manual

    9. Display Manual Summary Summary Press Press and then press and then press to navigate to the to navigate to the page page Tot Watt Tot Watt Avg. Amp Avg. Amp Tot. PF Tot. PF Total Wh Total Wh Total Wh Total Wh Total Wh Total Wh...
  • Page 21 Integrated Parameters Total Total Total Power Total Power Interruptions Run Hours ON Hours Back to page If load is Active. Total Total Total Power Total Power Interruptions Run Hours ON Hours Back to page If load is Apparent. Total Total Total Power Total Power Interruptions...
  • Page 22 Old Integrated Parameters old Power old Power Interruptions ON Hours Run Hours Back to page If load is Active. old Power old Power Interruptions ON Hours Run Hours Back to page If load is Apparent. old Power old Power Interruptions ON Hours Run Hours VARh...

  • Page 23: Programming Guide

    10. Programming Guide Press Press key to edit nos of poles. ENERSOL MFLR09 ENERSOL MFLR09 simultaneously to enter in First digit start blinking and set that programming Mode. digit using keys. then Prog. Mode Pole: press to go to second digit.

  • Page 24: Connection Diagram

    11. Connection Diagram Applicable Only for Enersol Toroidal meters Star (3P4W) Delta (3P3W) Note: Use only 60 Amp CT Note: Use only 60 Amp CT provided by Enersol provided by Enersol along with MFLR09 along with MFLR09 Line Side Load Side...

  • Page 25: Enersol Current Transformer

    12. Enersol Current Transformer Description of CTs Provided with the MFLR09 family meters S.No. Parameter Value Primary Current 60 Ampere Wire length 1 Meter Approx. Weight 85 Grams Inner Diameter 10mm Case Type Metal Casing 1. P1 side of the CT (Metal Side). Keep this towards line side.

  • Page 26: Modbus Rtu

    Up to 32 device can be connected to a single shielded co-axial cable. There is usually one master in the bus. MFLR09 work as slave device to respond to the master. Holding register: Holding register, as the name suggests, is a 16-bit register that holds the data value.
  • Page 27 Extracting Data from Response: Arrange data bytes in order ABCD to get the data. Enersol modbus registers are in float & use IEEE 754 representation for float value.As per ENERSOL MFLR09 IEEE 754 46BA2800 (in hexadecimal) is float...

  • Page 28: Modbus Register Mapping

    14 MODBUS Register mapping S.No. Address parameter Units Data Type 3840 Total Apparent Power - VA 32-Bit Float 3842 Total Active Power - Watt Watt 32-Bit Float 3844 Total Reactive Power - VAR 32-Bit Float 3846 Total PF (PF will be negative for —-- 32-Bit Float capacitive load and positive for the...
  • Page 29 S.No. Address parameter Units Data Type 3890 B Phase PF (PF will be negative for —-- 32-Bit Float capacitive load and positive for the inductive load) 3892 - 3894 Reserved —-- ----- 3896 B Phase Current Ampere 32-Bit Float 3898 Total Apaarent Energy 32-Bit Float 3900...
  • Page 30 ENERSOL SYSTEMS PVT. LTD. 510, Pace City 2, Sector 37, Gurgaon, Haryana - 122001 Contact: 0124-4371227, 9810331228 Email:- sales@enersolsystems.com http://enersolsystems.com/...

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Mflr0905Mflr0910

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