UEM80 "¹UEM80-4D R, UEM80-D M, UEM80-4D E›

80A three phase energy counter with built-in communication

Highlights

  • UEM80-2D R for RS485 Modbus RTU/ASCII communication
  • UEM80-D M for M-Bus communication
  • UEM80-2D E for Ethernet (Modbus TCP) communication
  • Direct connection up to 80 A
  • Fully bi-directional 4-quadrant measurements for all energies and powers
  • For 3 / 4 wire networks with balanced or unbalanced load (UEM80-4D R and UEM80-4D E only for 4 wire networks)
  • S0 output for energy pulse emission
  • Class B according to EN 50470-3
  • Available with MID certification

Applications

  • Totalization of the electric energy in the industry for each single line or machine.
  • Measurement of energy generated by renewable sources such as solar, eolic, etc.
  • Accounting and billing of consumptions in camp sites, malls, residential areas, naval ports, etc.
  • Totalization of the electric consumption in hotels, congress centers, exhibition fairs.
  • Accounting of the consumptions in buildings with executive office services.
  • Internal allocation of the consumptions in timeshare civilian and industrial buildings.
  • Realization of energy monitoring systems.
  • Remote survey of the consumptions and compute of the costs.

Technical features

Power Supply
  • Power supplied from the voltage circuit
  • Nominal measurement voltage ±20%
  • Max consumption (for each phase):
    UEM80-4D R, UEM80-4D E: 3,5 VA - 1 W
    UEM80-D M: 7,5 VA - 0,5 W
  • Nominal frequency: 50/60 Hz
Voltage range & frequency
  • 3x230/400...3x240/415 V 50/60 Hz
Current
  • Starting current Ist: 20 mA
  • Minimum current Imin: 250 mA
  • Transitional current Itr: 500 mA
  • Reference current Iref (Ib): 5 A
  • Maximum current Imax: 80 A
RS485 Modbus communication
  • Port: RS485
  • Protocol: Modbus RTU/ASCII
  • Communication speed: 300 ... 57600 bps
M-Bus communication
  • Port: wired (EN 1434-3)
  • Protocol: M-Bus
  • Communication speed: 300 ... 38400 bps
  • Unit load: 1
Ethernet communication
  • Port: 10/100 Base T
  • Protocol: HTTP, NTP, DHCP, Modbus TCP
  • Communication speed: 10/100 Mbps
  • Data recording
  • Web server
Accuracy
  • Active energy class B according to EN 50470-3
  • Reactive energy class 2 according to IEC/EN 62053-23
S0 output (no ETHERNET model)
  • Passive optoisolated
  • Maximum values: 27 VDC- 27 mA
  • Pulse length: 50
Tariff input (no ETHERNET model)
  • Active optoisolated
  • Voltage range for tariff 2: 80 ... 276 VAC-DC
Metrological LED
  • Meter constant: 1000 imp/kWh
  • Pulse length: 10 ± 0.2 ms
Environmental conditions
  • Operating temperature: -25 °C ... +55 °C
  • Storage temperature: -25 °C ... +75 °C
  • Humidity: 80% max without condensation
  • Protection degree: IP51 frontal part -IP20 terminals

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