UPM310 DIN96x96 LED power meter connectable to MFC150 Rogowski coil View larger

UPM310 DIN96x96 LED power meter connectable to MFC150 Rogowski coil





  • Switchboards, gensets, motor control centers, etc.
  • Power monitoring & control systems
  • Individual machine load monitoring
  • Demand management
  • Harmonics monitoring
  • Remote metering and cost allocation


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The Sensor measures: AC Current
Output Signal: RS485 - RS232
Power Supply: from the AC network
Sensor IP Rating IP54 (front panel); IP20 (terminals)
    • Three-phase 3-wire or 4-wire unbalanced load operation.
    • True rms metering provides accurate measurement even for distorted waveform.
    • Fully bi-directional, four-quadrant readings.
    • Volts, Amps, Power, PF, Frequency, Energy, Min/Max values, Demand and more.
    • Individual & total harmonic distortion for voltage and current up to the 50th order.
    • Direct measurement up to 600 (750) VAC.
    • Programmable 1A / 5A current full scale.
    • Two slots for plug-in option boards.
    • The tranducers version and the compact DIN 96 instrument allow various mounting combinations to fit the requirements of new installations as well as retrofit applications. The “Physical configurations” page shows the mounting combinations.
On-board memory
  • 128 kB or 2 MB non-volatile memory for data storage.
  • Programmable start/stop time of recordings.
  • Wraparound or Fill (FIFO/Stack) selectable recording mode.
  • Min/Avg/Max logging every 1, 5, 10, 15, 30, 60 minutes, programmable up to eight selectable parameters.
  • Total and daily energy consumption recording. The individual consumptions are stored more than 300 days.
  • Event, alarm and digital outputs ON/OFF recording.
  • Both RS232 and RS485 included in the basic unit. The selection is made by dip-switches.
  • Selectable MODBUS or A2 ASCII protocol.
  • Communication speed programmable up to 57600 bps.
  • Optional 10/100 Ethernet, Profibus or Lonbus interfaces.
Inputs & outputs
  • Up to 6 digital outputs for energy pulsing or for alarm tripping. Two digital optomos ML outputs are included in the basic unit.
  • Up to 4 analog outputs 0-20 or 4-20 mA.
  • On request input for Rogowski coils.
  • Real time waveform downloading via communication port. This function allows to represent graphically on the PC the three voltages and the three currents with 128 samples per cycle.
  • Direct communication through Ethernet / Internet network using MODBUS or A2 ASCII protocol.
  • Real time clock with battery backup.


  • DIN 96 cutout for new or retrofit applications
  • Fully bi-directional four quadrants readings
  • Neutral current monitoring
  • Up to 2 plug-in option boards
  • Large and bright LED alphanumeric display
  • Power and current demand calculation during user-definable time period
  • THD and individual FFT harmonic analysis up to 50th order
  • On-board memory up to 2 MB
  • Programmable Min/Avg/Max & energy data logging
  • Event and alarm recording


Power supply
Rated voltage: 65÷250 VAC / 90÷250 VDC
on request 19÷60 VDC
Consumption: 5 VA max

Voltage inputs
Maximum measurable voltage: 600 (750) VAC max L-L
Input impedance: ›1.3 MOhm
Burden: max 0.15 VA per phase
Frequency: 45 - 65 Hz

Current inputs
Rated current (Ib): 1 / 5 ARMS programmable
Min / max measurable current: 20 mA / 7 ARMS
Maximum overload: 10 ARMS continuous - 100 ARMS for 1 sec.
Input impedance: 0.02 Ohm approximately
Burden: max 0.5 VA per phase
Insulation voltage: 150 VAC max between phases
Rogowski input: 200÷49995 A on request

Typical accuracy
Voltage: ±0.1% reading ±0.03% full scale
Current: ±0.1% reading ±0.05% full scale
Active power: ±0.5% reading ±0.1% full scale (PF=1)
Power factor: 1% reading (0.5 inductive - 0.8 capacitive)
Active energy: 1% reading (0.5 inductive - 0.8 capacitive)
Frequency: ±0.05% reading ±2 digits from 45 to 65 Hz

Display and operating controls
Display: high brightness 13,8 mm LED display, three lines, 4 alphanumeric digits
Keypad: 4 push-buttons

Data memory
Type: on-board non-volatile FLASH, 128 kB or 2 MB

Communication port
Type: 1 selectable RS232 or RS485, optoisolated
1 available for plug-in comm. boards
Baud rate: programmable from 300 to 57600 bps

Real time clock
Type: with battery backup
Accuracy: ± 30 ppm

Digital outputs
Type: 2 isolated optomos (50V - 300mACA-CC)

Environmental conditions
Operating temperature: from -15°C to +60°C
Storage temperature: from -30°C to +75°C
Relative humidity: 80% max. without condensation

Caratteristiche meccaniche
Material: metal enclosure
Protection degree: IP54 (front panel); IP20 (terminals)
Terminals: standard pluggable terminals (EU)
on request barrier terminal strips (USA)
Size / weight: DIN version: 96 x 96 x 130 (mm) / 750 gr
transducer version: 90 x 90 x 130 (mm) / 800 gr

Standards compliance
Safety: 73/23/EEC, 93/68/EEC directives, EN61010-1
EMC: 89/366/EEC directive and following modifications 93/31/EEC and 93/68/EEC, EN50081-2, EN50082-2, EN61326/A1

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