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Selec MFM384+ User Manual

Multifunction meter

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Summary of Contents for Selec MFM384+

  • Page 2 In the pursuit of constant improvement, kindly note that all information contained in these materials, including products and product specifications represent information on the product at the time of publication and are subject to change without notice. www.selec.com...
  • Page 3 www.selec.com...
  • Page 4 Unpack the box and check the contents before using the product. If any part or accessory is missing or if the product appears to be damaged, contact our sales representative. List of accessories Description of Accessories Image Sr No. Panel mount Clamp Gasket Instruction Manual www.selec.com www.selec.com...
  • Page 5 Record Test Certificate Battery Cover & Battery www.selec.com...
  • Page 6 · Only qualified professional engineers are allowed to assemble, wire, commission, or maintain · Do not conduct the procedure of inspection or maintenance until the meter has been shut down for at least 3 minutes · No permission is granted to change or modify the internal components or circuits www.selec.com...
  • Page 7 · The equipment does not have a built-in-type fuse; installation of an external fuse of rating 300V 0.5A AC For electrical circuitry, battery is highly recommended Salient Features www.selec.com...
  • Page 8 · Load Run Hour-based on accumulated energy-Import and Export (Mains and DG both), ON Hour, Active Load Timer and Number of Auxiliary Interruptions · Self-Test mode · Power Factor Sign Convention (IEC/IEEE Standards) - selectable through communication · Communication parameter values on modbus are in float and integer www.selec.com...
  • Page 9 RS485 Modbus RTU 2400, 4800, 9600, 19200, 38400 bps Baud rate (Programmable) 1 to 247 (Programmable) Communication Slave ID Parity Odd, Even, None 2 kV AC isolation for 1 minute between Isolation communication and other circuits CE, RoHS Cerification www.selec.com...
  • Page 10 Class A as per CISPR 11 Emission Operating:-10 ºC to 55 ºC Temperature Environmental Storage:- 20 ºC to 75 ºC Humidity Up to 85% non-condensing W1 = 4.2mm W2 = 1.8mm Lug Dimension W1 = 3.8mm w2 = 1.6mm www.selec.com...
  • Page 11 Panel mount clamp, Gasket, Accessories Operating manual Weight 350 gm approx. IP rating Front : IP65 Protection rating Back : IP20 Mechanical testing 40g in 3 planes Shock 10 to 55Hz,0.15mm peak amplitude Vibration Casing Plastic mould protected to IP65 from front www.selec.com...
  • Page 12 METER OVERVIEW Front Panel View: Back Panel View: www.selec.com...
  • Page 13 Fit clamps on both side in diagonally opposite location for optimum fitting Slide all four clamps evenly towards the panel until the lowest possible tooth of the clamp is engaged. Ensure the meter is properly tightened Push the battery holder into the unit www.selec.com...
  • Page 14 Pull the arm of the sliding clamp in an outward direction (opposite to meter) and drag the sliding clamps away from the panel Push the meter from the back side of the panel window Remove the unit from the panel www.selec.com...
  • Page 15 LINE LOAD 1CT (L-N) 1CT (L-L) 3 PHASE 3 WIRE LOAD LINE LINE LOAD 1 CT and 2 VT 2 CT and 2 VT LOAD LINE LOAD LINE 3 CT 3 CT and 2 VT LINE LOAD 2 CT www.selec.com...
  • Page 16 LINE LOAD LINE LOAD 3 CT 3 CT and 2 VT LINE LOAD 1 CT and 3 VT 2 CT and 3 VT LINE LOAD LINE LOAD LINE LOAD 3 CT and 3 VT 2 CT and 2 VT www.selec.com...
  • Page 17 N (Neutral) POP+ Pulse output POP- RS485+ Communication connection RS485- Digital input S1(I1) S2(I1) S1(I2) 3 Phase current input S2(I2) S1(I3) S2(I3) N (Neutral for voltage input) VR (Voltage R-Phase) Three phase voltage input VY (Voltage Y-Phase) VB (Voltage B-Phase) www.selec.com...
  • Page 18 2 VT Wye ungrounded 3 - phase 3 - wire 480V L-L 600V L-L 2 VT Wye grounded 3 - phase 3 - wire 277V L-N / 347V L-N / Wye resistance 2 VT 480V L-L 600V L-L grounded www.selec.com...
  • Page 19 ≤ 347V L-N / 3 VT or 2 VT grounded Wye 480V L-L 600V L-L 3 - phase 4 - wire ≤ 277V L-N / ≤ 347V L-N / resistance 3 VT or 2 VT 480V L-L 600V L-L grounded Wye www.selec.com...
  • Page 20 1-2, 2-3, 3-1, AVG, N AVG Represents the average N: stands for neutral THD for Total harmonics distortion; THD, MIN, MAX, DMD, RPM, MAX for maximum and MIN for minimum; DMD for Demand RPM- Revolution per minute - Secondary Source (Gen set) www.selec.com...
  • Page 21 NET,Total, I, E Net: Absolute sum of Import and Export energy E: Export Energy Communication symbol Load type symbol Inductive and Capacitive Bar graph represents percentage load to the rated current for each phase Energy pulsing LED RED LED www.selec.com...
  • Page 22 Press and hold key for 3 seconds to enter or exit from the self test mode Press and hold key for 3 seconds to Toggle between Automatic and Manual(fixed) mode Press and hold key for 3 seconds to Lock and Unlock the configuration mode www.selec.com...
  • Page 23 To move cursor left by one digit each time To move cursor right by one digit each time To decrement the parameter value Configuration mode To increment the parameter value To go back to previous page To save the setting and move on to next page www.selec.com...
  • Page 24 Max and Min Average line to neutral voltage · · Max and Min Average current Min / Max Max and Min Frequency · measurements Max and Min Average line to line voltage · · Max and Min total Active, Reactive and Apparent power www.selec.com...
  • Page 25 VT connect configuration CT23 CT31 CT Primary 1 OR 5 to 32760 PRIM CT Secondary 1 OR 5 NO VT NOTE: The VT Selection is 1 VT enabled based on selected VT Selection NO VT SELN 2 VT network 3 VT www.selec.com...
  • Page 26 Note: This parameter will help you see values in LSRF ENDI (Mid-Little Endian) or MSRF Endianess MSRF/LSRF MSRF (Big Endian) sequence of NESS bytes of word. BKLT Backlight OFF 0 to 7200 timer TIMR SLIDING/FIXED/ Demand Power demand FIXED-SLIDING SLIDING /THERMAL METD www.selec.com...
  • Page 27 PULSE parameter TOTAL kVARh OUTPUT is OFF. PARA IMPORT kVAh EXPORT kVAh TOTAL kVAh NONE PULS POP pulse width 1 to 9999000 WIDT NO.OF Number of pole POLE 02 to 98 selection SELN Set RTC NO/YES parameter PARA www.selec.com...
  • Page 28 Description Range Configuration mode 0000-9997 Default : 1000 This password will be greater than the configuration password by 0001-9998 Communication 1 i.e. (1001) This password will be greater than the configuration password by Reset 0002-9999 2 i.e. (1002) www.selec.com...
  • Page 29 • Manual mode (fixed): In manual mode, selected online page will remains static Configuration Lock / Unlock mode: The meter provide Lock / Unlock mode to enables/disables user to enter in configuration mode while meter is in measurement mode. Long press for 3 seconds to Lock/Unlock configuration mode entry www.selec.com...
  • Page 30 Active energy Total NET ( Import + Export) Energy (mains) Apparent energy Total NET ( Import - Export) Reactive energy (4 quadrant based VARh ) Last cleared energy* Import - Per phase and Total Export - Per phase and Total www.selec.com...
  • Page 31 In order to determine the minimum and maximum Power Factor values, the meter uses a specific Power Factor convention method. All maximum and minimum Power Factor data can only be accessed via communication. For Communication, The Power Factor are displayed in the form of PF registers value as below. www.selec.com...
  • Page 32 Present and peak demand updates at the end of each sub-interval. Last demand lags one sub-interval. If demand duration selected is 3 and demand length selected is 2, then demand is updated at the end of 2 minutes. Here, interval is of 6 minutes and update time is 2 minutes. www.selec.com...
  • Page 33 (if demand duration is between 16 and 60 minutes) and last demand is updated at the end of interval. 4. Thermal demand: A Thermal response is the one which is used to calculate thermal demand. By setting the DMD Duration (1 to 60min) the thermal response curve can be derived. Interval 1 Interval 2 www.selec.com...
  • Page 34 LED Pulsing will start incrementing as per observed energy 10000 Total No of pulses > Pulse Width LED Pulsing will start incrementing as per observed energy 37000 Total No of pulses < Pulse Width LED Pulsing will not start incrementing. Remains OFF. www.selec.com...
  • Page 35 Meter provides the measurement of rotational speed of motor. Usually displays value in terms of RPM. The speed a synchronous motor will run can be determined by the number of poles of the motor and the frequency of the www.selec.com...
  • Page 36 Meter performs the analysis of the input voltage signals. It detect the wrong phase sequence or failure of one of the input voltage and displays result upon pressing key for 3 seconds. 1. OK Phase sequence - "Clockwise" 2. Wrong phase sequence - "Anticlockwise" 3. Failure of one of the input voltage - "Invalid" CLOCKWISE ANTI-CLOCKWISE www.selec.com...
  • Page 37 CT polarity has reverse connection "1" and 2 phase CT polarity has reverse connection. "12" phase CT polarity has reverse connection. "123" Note: CT polarity correction should be referred when input active power is positive. www.selec.com...
  • Page 38 14. After downloading the firmware, the meter will restart automatically. Note: Only one Meter can be upgrade at a one time from same PC. Separate Downloader is a program by the software company SELEC Entry of Boot loader mode can be accessed via communication or from the meter front.
  • Page 39 Selec USA : www.selec.com/us/en Selec GmbH : www.selec-europe.com Selec Australia : www.selec.com/au/en...