Sonel MPI-540 Brief User Manual
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Sonel MPI-540 Brief User Manual

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  • Page 3 BRIEF USER MANUAL METER FOR ELECTRICAL INSTALLATION PARAMETERS MPI-540 ● MPI-540-PV SONEL S.A. Wokulskiego 11 58-100 Świdnica Poland Full version of the manual is provided on the website www.sonel.com Version 2.06 20.07.2022...

  • Page 4: Table Of Contents

    ..............35 Test of the inverter panel η, P, I .............. 36 3.18 3.18.1 Measurement configuration.................... 37 3.18.2 Live mode ........................38 3.19 Resetting C-PV clamp ................39 3.20 Irradiance and temperature ..............39 MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...
  • Page 5 Measurement of parameters of RCD ................62 8.1.6 Measurement of resistance-to-earth R ................. 63 8.1.7 Low-voltage measurement of continuity of circuit and resistance ........64 8.1.8 Measurement of insulation resistance ................64 8.1.9 Light measurements ...................... 65 MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...
  • Page 6 Frequency measurement ....................68 8.2.6 Measuring harmonics..................... 69 8.2.7 Unbalance ........................69 8.2.8 Power and energy measurement ................... 69 8.3 Other technical data ....................70 9 Accessories ....................71 9.1 Standard accessories .................... 71 MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 7: Security

    All other parts of the text relate to all types of the instrument. Security MPI-540 meter is designed for performing check tests of protection against electric shock in AC mains systems and recording mains systems parameters. The meter is used for performing meas- urements and providing results to determine the level safety of electrical installations.

  • Page 8: Main Menu

    Memory – viewing and managing the saved measurement results (described in section 6),  Meter information. A detailed description of individual functionalities is provided in the full version of the manual on the website www.sonel.com. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 9: Meter Settings

    Before the measurements, select the mains type from which the tested object is powered. Then select the mains rated U voltage (110/190 V, 115/200 V, 127/220 V, 220/380 V, 230/400 V or 240/415 V). This voltage value is used for calculating the values of prospective short-circuit current. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 10: Sub-Menu Pv Modules

    NOCT – nominal operation cells temperature alpha – temperature current coefficient - Isc beta – temperature voltage coefficient - Uoc gamma – temperature power coefficient - Pmax - serial resistance of PV module MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...
  • Page 11 * MPP – maximum power point MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 12: Communication

    It enables data reading from the recorder and data analysis,  Sonel Reader – the software is used to retrieve the data saved from the meter memory. In addition, it enables data transfer to the PC, data saving in popular formats and printing.

  • Page 13: Measurements

    PV ,  open circuit voltage U  short circuit current I  currents and powers on AC and DC side of the inverter and its efficiency η, P, I,  irradiance Irr. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 14: Checking The Correctness Of Pe (Protective Earth) Connections

    Make sure to stand on non-insulated ground when measuring. Insulated ground may cause an incorrect test result.  If the voltage on the PE conductor exceeds the acceptable limit value (ap- prox. 50 V), the meter will signal the fact. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 15: Fault Loop Parameters

    Select other settings and perform the measurement using the START button on the device. 3.2.2 Fault loop parameters in the L-PE circuit Connect test leads according to Fig. 3.1 or Fig. 3.2. Fig. 3.1 Measurement in L-PE circuit MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 16: Fault Loop Impedance In L-Pe Circuit Protected With A Residual Current Device (Rcd)

    Fault loop impedance in L-PE circuit protected with a residual cur- rent device (RCD) Connect test leads according to Fig. 3.3, Fig. 3.4 or Fig. 3.5. Fig. 3.3 Measurement in the TN-S system Fig. 3.4 Measurement in the TT system MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 17: Measurement Of Fault Loop Impedance In It Networks

    The manner of connecting the device to the installation is shown in Fig. 3.6. The manner of performing the fault loop measurements is described in section 3.2.1. Operating voltage range: 95 V … 440 V. Fig. 3.6 Measurement in the IT system MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 18: Voltage Drop

    Connect the meter to the reference point of the tested network, as for Z measurement  Press START.  Change the setting from Zref to Z.  Connect the meter to the reference point, as for Z measurement.  Press START. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 19: Resistance-To-Earth

     Select the 3P option in the measurement menu.  Select other settings and per- form the measurement using the START button. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 20: Earth Resistance Measurement With 4-Wire Method (R 4P)

     Select the 4P option in the measurement menu.  Select other ones and perform measurement using the START button. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 21: Earth Resistance Measurement With 3-Pole Method With Additional Clamp (R 3P+C)

    E lead.  The arrow on the clamps can be directed in any direction. Select the 3P + clamps option in the measurement menu. Select other settings and perform measurement using START button. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 22: Earth Resistance Measurement With Two-Clamp Method (2C)

    Connect the transmitting clamps N-1 to H and E socket.  Connect the measuring clamps C-3 to the clamp socket.  Select clamps clamps option measurement menu.  Select other settings and perform the measurement using the START button. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 23: Soil Resistivity

    Drive 4 probes into the ground in one line and at equal distances.  Connect the probes to the meter according to the drawing above.  Call measurement menu.  Select other settings and per- form the measurement using the START button. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 24: Rcd Parameters

    RCD parameters Select item RCD I or RCD t Connect the meter to the installation according to the drawing. Select other settings and perform the measurement using the START button on the device. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 25: Measurements In It Networks

    Fig. 3.7 RCD measurement in the IT network. The circuit is closed by the parasitic capacitances C Fig. 3.8 RCD testing without the PE conductor Operating voltage range: 95 V … 270 V. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 26: Automatic Measurements Of Rcd Parameters

    (sec. Błąd! Nie można odna- leźć źródła odwołania.),  determine the multiplication factor of the 6 mA DC dif- ferential current (EV button). The test settings vary de- pending on the selected standard. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 27: Automatic Measurement Of Rcd Parameters

    Automatic measurement of RCD parameters Connect the meter to the installation according to the drawing. Select RCD AUTO Enter the measurement settings in accordance with section 3.7.1. Press START to start the measurement. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...
  • Page 28 33 I Δ n = 200 mA acc. to IEC 62955) Δ for 6 mA RCD and RCM ≤ 40 ms at 50 I Δ n = 300 mA acc. to IEC 62752) Δ MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 29: Insulation Resistance

    START button. Items will vary depending on whether the following have been connected to the meter: probes, UNI-Schuko adapter, AutoISO-1000C adapter. During measurement H.V./REC/CONT. diode is lit orange. Measurement using probes. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...
  • Page 30 Measurements using UNI-Schuko adapter (WS-03 and WS-04). Measurements using AutoISO-1000c adapter. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 31: Low-Voltage Measurement Of Resistance

    Connect the meter to the tested object.  Measurement starts automati- cally. NOTE! Display of symbols indicates that the tested object is live. The meas- urement is blocked. The meter must be immediately disconnected from the object. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 32: 3.10 Sequence Of Phases

    Connect the meter to the installation according to the drawing. The phase sequence is correct, i.e. the phase sequence is in clockwise direction. The phase sequence is incor- rect, i.e. the phase sequence is in anticlockwise direction. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 33: 3.11 Motor Rotation Direction

    Arrows on the screen rotating to the left mean that the motor connected to a 3-phase net- work will rotate the shaft to the left. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 34: 3.12 Illuminance

    Connect the optical probe and place it in the tested plane. The meter will show the measure- ment. 3.13 Resistance-to-earth (PV) Connect the measuring system. The measurement is performed similarly as in section 3.4. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 35: Insulation Resistance (Pv)

    – measurement voltage Selecting the bar hides the menu. 3.15 Continuity of connections (PV) Connect the measuring system. The measurement is performed similarly as in sec. 3.9.2. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 36: Open Circuit Dc Voltage U

    , E come from the irradiance meter, by the manufacturer, if it is connected to the meter. See also sec. 2.3.2. ΔU – limit ΔU set. OC MAX Press START to start the measurement. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 37: Short Circuit Dc Current I

    See also sec. 2.3.2. clared by the manufacturer, ΔI – limit ΔI set. SC MAX If necessary, reset the clamps Press START to start again. the measurement. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 38: Test Of The Inverter Panel Η, P, I

    If necessary, reset the clamp again. Use icon ► to go to the measurement configuration. See sec. 3.18.1, 3.18.2. Press START. The live mode readings will be captured and displayed in the main screen. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 39: 3.18.1 Measurement Configuration

     AC clamps type – the user may use the list to select the type of clamps used for current measurements on AC side of the inverter.  Frequency – nominal frequency of the AC output of the inverter. Po ustawieniu wymaganych parametrów można od razu przejść do właściwych pomiarów. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 40: 3.18.2 Live Mode

    After entering the live mode screen, all the parameters of the measured inverter circuit are shown in a tabular view. Fig. 3.10. Live mode in tabular view for the inverter efficiency measurement mode MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 41: Resetting C-Pv Clamp

    Select item Irr, to display the measure- ment screen. Connect the irradiance meter to the tested object. The screen shows the current readings: E – irradiance, – ambient temperature, – PV module temperature. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 42: Auto Measurements

    Description of function icons assistance for a particular measurement collapsing setting fields expanding setting fields saving entered measurement data. Press START. automatic measurement sequence will start. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...
  • Page 43 Signal lights for reaching the limit the result is within the set limit the result is outside the set limit assessment not possible no measurement was made MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 44: Creating Measurement Procedures

    From the available items select the one, which is to be a part of the procedure. In addition to standard measurements, the fol- lowing are also available:  text message,  visual test. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...
  • Page 45 A window will be shown requesting the name of the pro- cedure. The procedure will be available from the main menu of auto- procedures. To remove it, select it with and choose MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 46: Recorder

    Recorder Functional description MPI-540 meter can be used as a 3-phase recorder of power supply parameters. It allows measure- ment and recording of parameters of 50/60 Hz power networks such as voltage, current, power, har- monics, etc. To switch the meter to power supply quality analyzer mode, select Recorder on the main screen.
  • Page 47 The meter is compatible with PC software Sonel Analysis, which also supports other analyzers pro- duced by Sonel. This software allows analysis of the recorded data. The data may be read using the USB cable or directly from a microSD card after inserting it to an external memory card reader con- nected to PC.

  • Page 48: Main Elements Of The Screen

    (e.g. single-phase, three-phase) or clamps type,  Recording analysis – provides an analysis of the recorded data and 'live' view of the re- cording process, MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 49: Information Bar On The Parameters Of The Current Network

    (Analyzer settings Clamps) The following figures show schematically how to connect the analyzer to the tested network de- pending on its type. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...
  • Page 50 Fig. 5.3 Wiring diagram – single phase Fig. 5.4 Wiring diagram – 2-phase MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...
  • Page 51 Fig. 5.5 Wiring diagram – 3-phase with four operating wires Fig. 5.6 Wiring diagram – 3-phase with three operating wires MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 52: Recording Configuration

    It is created from the current date and time in the "YYYY-MM-DD hh_mm_ss_settings" format, which may be modified. Fig. 5.8. Recording configuration – general settings MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 53: Analyzer Settings

    C-7 – clamps CT (with core) with a range of 100 A AC. Analyzer settings On the Analyzer settings screen it is possible to:  specify the manner of clamps fastening,  change the phase identification,  view files stored in the recorder mode. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 54: Live Mode Of The Network

    L3-1 ......phase-to-phase values L3-L1, Σ ......... total values. The next column show the values of individual parameters: U [V] ......RMS voltage, [V] ....... RMS of the fundamental voltage component, [V] ....... voltage constant component, MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 55: Vector Diagram Of Fundamental Components (Phasor)

    (inductive load) if the angle between the fundamental components of the voltage and current (φ ) is greater than zero (voltage is ahead of current), Uh1,Ih1 the capacitor (capacitive load) if the angle φ is negative (current is ahead of voltage). Uh1,Ih1 MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 56: Harmonics Graph/Table

    – recording list screen.. The list can be scrolled by moving your finger up and down within the visible summary. Familiarise yourself with the detailed description of the manner of recording analysis contained in the full version of the device manual on the website: www.sonel.com. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 57: Energy Loss Calculator

    P loss loss which can be reduced by improving cost related to P loss the quality parameters (e.g. compensa- tion of harmonics, elimination of unbal- ance), arising from the relationship: MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 58: Configuration Of The Loss Calculator

    1 kWh of reactive energy at power factor PF < 0.8,  currency. To change the currency:  tap the field with the current unit,  enter a new unit using the on-screen keyboard. Inverter efficiency See sec. 3.18.1, 3.18.2. MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 59: Memory Of The Meter

    SD card format. When this op- tion been selected, prompt will appear asking the user to confirm that he/she wants to format the SD card. Description of function icons returning previous screen returning to the main menu MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 60: Structure Of The Memory

    6.1.3 Entering the measurement result  After the measurement, select icon.  The menu Entering the meas- urement result will appear (the menu and control the same as in section 6.1.1). MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 61: Recorder Memory

    Only after formatting (which removes all files) it will be possible to reuse the card in the device. In addition, before removing the card from the meter (e.g. to read the data by Sonel Analysis) it is recommended to turn the meter off, to save all cached data.

  • Page 62: Pc Connection And Data Transmission

    Sonel Analysis software also allows you to read data directly from a microSD card using an external memory card reader. This method allows for the fastest reading of the recorded data. To use this mode, remove the memory card from the meter and put it into the reader connected to a computer (when removing the card, follow the rules described in 6.2.1;...

  • Page 63: Technical Data

    : 50 Hz, 60 Hz  Operating frequency range: 45 Hz…65 Hz  Maximum test current (for 415 V): 41.5 A (10 ms)  Control of correctness of PE terminal connection by means of a touch electrode MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 64: Measurement Of Fault Loop Impedance Z

    IEC 62955 for measurements acc. to IEC 62752  Accuracy of differential current setting: for 1*I , 2*I , 5*I ..............0..8% n n n for 0.5*I ..................-8..0% n MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 65: Measurement Of Resistance-To-Earth R

    10.0...99.9 kΩm 0.1 kΩm  Measurement with Wenner method,  Option for setting the distance in meters or feet,  Selecting a distance: 1 m ... 30 m (1 ft ... 90 ft). MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 66: Low-Voltage Measurement Of Continuity Of Circuit And Resistance

    (3% m.v. + 8 digits) 2.00 M...19.99 M 0.01 M [(5% m.v. + 8 digits)] * 20.0 M...199.9 M 0.1 M 200 M...999 M 1 M * – for WS-03 and WS-04 leads MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 67: Light Measurements

    Measuring ranges of LP-10B probe Range Resolution Spectral Accuracy [lx] [lx] uncertainty 0...39.99 0.01 40.0...399.9 (5% m.v. + 5 digits) 400...3999 f1<6% 4.00 k…39.99 k 0.01 k 40.0 k…399.9 k 0.1 k  Probe class B MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 68: 8.1.10 Phase Sequence

    Peak input voltage (without cutting) 1150 V (L-N) 12 kHz Analogue transmission band (-3 dB) Transformers defined by user Impedance of measurement inputs 14 M (L-L, L-N) CMRR >70 dB (50 Hz) MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 69: Sampling And Rtc

    Accuracy 0.5% U ≤ U ≤ 120% U 20% U 0.1% U ≥ 100 V (AC+DC) for U 5% Crest factor 1..10 0.01 (1..2.2 for voltage 500 V) ≥ 10% U for U MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 70: Measurement Of Current (True Rms)

    Crest factor 1..10 (max. 3.6 for 0.01 ≥ 1% I for I 8.2.5 Frequency measurement Frequency Range and conditions Resolution Accuracy 0,05 Hz 40..70 Hz 0.01 Hz ≤ U ≤ 120% U 15% U MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 71: Measuring Harmonics

    ≤ U 50% U < 150% U ≤ I 10% I < I 0.03 0…1 Displacement power 0.01 factor (cosφ/ DPF) ≤ U 50% U < 150% U ≤ I 10% I < I MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...

  • Page 72: Other Technical Data

    EN 61326-1 and EN 61326-2-2 EN 55022 Compliance statement MPI-540 / MPI-540-PV is a class A product. In a domestic environment this product may cause radio interference in which case the user may be required to take ade- quate measures (e.g.

  • Page 73: Accessories

    (12 V) – √ √ √ √ WAPRZLAD12SAM  L2 carrying case – WAFUTL2 √ √ √ √  L2 hanging strips (long 1,5 m and short √ √ √ √ 30 cm) – WAPOZSZEKPL MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...
  • Page 74 C-PV clamp – WAADACPV √ √  carrying case for PV accessories – √ √ WAFUTM13  √ √ √ √ user manual  √ √ √ √ factory calibration certificate MPI-540 ● MPI-540-PV – BRIEF USER MANUAL...
  • Page 75 MEASURING MESSAGES NOTE! The meter is designed for operation at rated phase voltages of 110 V, 115 V, 127 V, 220 V, 230 V and 240 V and phase-to-phase voltages of 190 V, 200 V, 220 V, 380 V, 400 V, 415 V. Connecting voltage higher than allowed between any of the test terminals may damage the meter and cause a hazard to the user.

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