UEM80, UEM80-2D R, UEM80-2D M, UEM80-2D E

80A single phase energy meter with built-in communication

80A single phase energy meter

Highlights

  • UEM80-2D R for RS485 Modbus RTU/ASCII communication
  • UEM80-2D 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
  • Class B according to EN 50470-3 (MID)
  • 8 MB for data recording and automatic/manual data transferring (only ETHERNET model)
  • S0 output for energy pulse emission
  • LCD display with 7 main digits
  • 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: 7.5 VA - 0.5 W
  • Nominal frequency: 50/60 Hz
Voltage range & frequency
  • Nominal values: 230V...240V 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
  • 8 MB for data recording
  • Web server
Accuracy
  • Active energy class 1 according to IEC/EN 62053-21 (NO MID)
  • Active energy class B according to EN 50470-3 (MID)
  • Reactive energy class 2 according to IEC/EN 62053-23
S0 output (no ETHERNET model)
  • Passive optoisolated
  • Maximum values: 27 VDC - 27 mA Meter constant: 500 imp/kW
  • The measuring unit (imp/kWh, imp/kvarh, imp/kVAh) changes according to the assigned counter (kWh, kvarh, kVAh) Pulse length: 50 ± 2 ms
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