Single-phase electric energy meter EW800 series

three-phaseDIN railRS-485

Product overview
Our distributed meter is designed to accurately measure energy consumption of systems and machines. Based on the IoT, it collects data in real time and automatically send them to the Data Manager for analysis. Hence, it promotes energy efficiency and digitalization in the plant.

Features

• Graphic Display 256×96 pixels, with white LED backlighting.
• Intuitive menus with resistive touch screen interface.
• Data transmission to the Data Manager through RS485 ModBus or Radio Sub1Ghz (868MHz).
• Possibility to connect up to 250 devices to a single EW900 Data Manager.
• Single or three-phase energy meter.
• Measurement of active, reactive and apparent energy.
• Measurement of active, reactive and apparent power.
• Electrical parameters measured: current, voltage, active, reactive and apparent power, power factor.
• Line quality: harmonics (1st…51st), THD.
• Precision: class active energy.
• Data refresh on display: 1 second.

EW800A (DEM)
DEM (Distributed Embedded Meter) with internal shunts for current measurements up to 64A, equipped with integrated touch LCD display available with:

• integrated I/O module with 2 digital inputs and 2 digital outputs
• serial communication interface RS485
• radio communication interface RF868 MHZ

EW800A - Technical table
EW800A DEM
Connections: Single-phase
Three-phase 4 wires with Y load
Three-phase 4 wires with D load
Measuring inputs - Current Channels: Direct; up to 64A (45kW) three-phase connection; up to 21A (15kW) single-phase connection
Measuring inputs - Voltage Channels: Direct (max rated voltage phase-neutral 230Vac)
Power supply: self-powered
Communication: RS485 ModBus (in all EW800… models); Radio RF868 MHz (only in EW800…200 models); Ethernet (only in EW800…300 models)
Digital Isolated Input/Output: 2 I/O module option (configurable by Data Manager) and THD
Measures: Voltage (phase-neutral and phase-phase); Current (phase values and neutral value); Imported Active Energy (phase values and total value); Exported Active Energy (phase values and total value); Imported Active Power (phase values and total value); Exported Active Power (phase values and total value); Reactive Power with sign (phase values and total value); Apparent Power (phase values and total value); Power Factor (phase values and total value); Frequency
Harmonic analysis: THD (in voltage / current signal) Harmonics 1st ...51st (in voltage / current signal)
Accuracy - Active Energy (according to IED 62053-21): Class 1
Accuracy - Reactive Energy (according to IED 62053-23): Class 2
Accuracy - Current and Voltage: ≤ 0,5%
Display: LCD (256 x 96 pixel) and resistive touch screen
Case - Mounting: DIN rail
Case - No. DIN modules: 7
Case - External dimensions (mm): 126 x 100 x 70

EW800B (DTM)
DTM (Distributed External CTs Meter) with external CTs for current measurements, equipped with integrated touch LCD display and available with:

• integrated I/O module with 2 digital inputs and 2 digital outputs
• serial communication interface RS485
• radio communication interface RF868 MHZ

EW800B - Technical table
EW800B DTM
Connections: Single-phase; Two-phase; Three-phase with neutral; Three-phase without neutral
Measuring inputs - Current Channels: with external Current Transformers
Measuring inputs - Voltage Channels: Direct (max rated voltage phase-neutral 230Vac) or with external Voltage Transformer (rated secondary voltage 100-115Vac, for LV or MV application)
Power supply: 100÷230Vac
Communication: RS485 ModBus (in all EW800… models); Radio RF868 MHz (only in EW800…200 models); Ethernet (only in EW800…300 models)
Digital Isolated Input/Output: Voltage (phase-neutral and phase-phase); Current (phase values and neutral value); Imported Active Energy (phase values and total value); Exported Active Energy (phase values and total value); Imported Active Power (phase values and total value); Exported Active Power (phase values and total value); Reactive Power with sign (phase values and total value); Apparent Power (phase values and total value); Power Factor (phase values and total value); Frequency
Harmonic analysis: THD (in voltage / current signal) Harmonics 1st ...51st (in voltage / current signal)
Accuracy - Active Energy (according to IED 62053-21): Class 1
Accuracy - Reactive Energy (according to IED 62053-23): Class 2
Accuracy - Current and Voltage: ≤ 0,5%
Display: LCD (256 x 96 pixel) and resistive touch screen
Case - Mounting: DIN rail
Case - No. DIN modules: 5
Case - External dimensions (mm): 90 x 96 x 70

EW800C (DRM)
DRM (Distributed External Rogowski Meter) with external Rogowski coils for current measurements, equipped with integrated touch LCD display and available with:

• integrated I/O module with 2 digital inputs and 2 digital outputs
• serial communication interface RS485
• radio communication interface RF868 MHZ

EW800C - Technical table
EW800C DRM
Connections: Single-phase; Two-phase; Three-phase with neutral; Three-phase without neutral
Measuring inputs - Current Channels: with external Rogowski coils
Measuring inputs - Voltage Channels: Direct (max rated voltage phase-neutral 230Vac) or with external Voltage Transformer (rated secondary voltage 100-115Vac, for LV or MV application)
Power supply: 100÷230Vac
Communication: RS485 ModBus (in all EW800… models); Radio RF868 MHz (only in EW800…200 models); Ethernet (only in EW800…300 models)
Digital Isolated Input/Output: 2 I/O module option (configurable by Data Manager)
Measures: Voltage (phase-neutral and phase-phase); Current (phase values and neutral value); Imported Active Energy (phase values and total value); Exported Active Energy (phase values and total value); Imported Active Power (phase values and total value); Exported Active Power (phase values and total value); Reactive Power with sign (phase values and total value); Apparent Power (phase values and total value); Power Factor (phase values and total value); Frequency
Harmonic analysis: THD (in voltage / current signal) Harmonics 1st ...51st (in voltage / current signal)
Accuracy - Active Energy (according to IED 62053-21): Class 1
Accuracy - Reactive Energy (according to IED 62053-23): Class 2
Accuracy - Current and Voltage: ≤ 0,5%
Display: LCD (256 x 96 pixel) and resistive touch screen
Case - Mounting: DIN rail
Case - No. DIN modules: 5
Case - External dimensions (mm): 90 x 96 x 70

Order codes (selection)
EW800A
EW800A3A100: DEM with internal shunts up to 64A - integrated touch LCD display - RS485
EW800A3A122: DEM up to 64A - integrated I/O (2 IN / 2 OUT) - touch LCD - RS485
EW800A3A200: DEM up to 64A - touch LCD - RF868 MHz
EW800A3A222: DEM up to 64A - I/O 2 IN / 2 OUT - touch LCD - RF868 MHz
EW800B
EW800B3A100: DTM with external TA - touch LCD - RS485
EW800B3A122: DTM with external TA - I/O 2 IN / 2 OUT - touch LCD - RS485
EW800B3A200: DTM with external TA - touch LCD - RF868 MHz
EW800B3A222: DTM with external TA - I/O 2 IN / 2 OUT - touch LCD - RF868 MHz
EW800B3A300: DTM with external TA - touch LCD - Modbus TCP/IP LAN interface
EW800B3A322: DTM with external TA - I/O 2 IN / 2 OUT - touch LCD - Modbus TCP/IP LAN interface
EW800C
EW800C3A100: DRM with Rogowski coils - touch LCD - RS485
EW800C3A122: DRM with Rogowski coils - I/O 2 IN / 2 OUT - touch LCD - RS485
EW800C3A200: DRM with Rogowski coils - touch LCD - RF868 MHz
EW800C3A222: DRM with Rogowski coils - I/O 2 IN / 2 OUT - touch LCD - RF868 MHz
EW800C3A300: DRM with Rogowski coils - touch LCD - Modbus TCP/IP LAN interface
EW800C3A322: DRM with Rogowski coils - I/O 2 IN / 2 OUT - touch LCD - Modbus TCP/IP LAN interface

Caractéristiques / spécifications techniques

• Display: Graphic LCD 256×96 pixels with white LED backlighting; resistive touch screen.
• Energy measurement: Active, Reactive and Apparent Energy (imported/exported) per phase and total.
• Power and electrical parameters: Active, Reactive and Apparent Power; Current; Voltage; Power Factor; Frequency.
• Harmonic analysis: Harmonics 1st…51st and THD for voltage/current.
• Accuracy: Active Energy Class 1 (IEC 62053-21); Reactive Energy Class 2 (IEC 62053-23); Current/Voltage accuracy ≤ 0.5%.
• Refresh rate on display: 1 s.
• Communication: RS485 ModBus standard; optional Radio RF868 MHz (200 variants); optional Ethernet / Modbus TCP-IP (300 variants).
• Digital I/O: optional 2 digital inputs and 2 digital outputs module (configurable by Data Manager).
• Connections and input types: internal shunts (A models), external CTs (B models), Rogowski coils (C models); voltage direct or via external VT (100-115Vac secondary).
• Power supply: self-powered (A models) or 100÷230Vac (B and C models).
• Mounting: DIN rail.
• Case size & modules: A model 7 DIN modules (126 x 100 x 70 mm); B/C models 5 DIN modules (90 x 96 x 70 mm).