Technology of Electrical Automatic

DEM-NX (19D-NX) Modular Multifunction Energy Meter

DEM-NX (19D-NX) Modular Multifunction Energy Meter

19D-NX Modular Multifunction Energy Meter is Blue Jay next generation din-rail meter power meter. This flexible modular design products can expand max 64 channels metering point, pluse 16 point I/O port for on-site control.

Optional 100mA or 333mV CT connect, provide max 0.5 class metering accuracy. RS485 Modbus-RTU port or Ethernet port or extra IoT module valid for different project.

19D-NX Modular Multifunction Energy Meter is Blue Jay next generation din-rail meter power meter. This flexible modular design products can expand max 64 channels metering point, pluse 16 point I/O port for on-site control.

Optional 100mA or 333mV CT connect, provide max 0.5 class metering accuracy. RS485 Modbus-RTU port or Ethernet port or extra IoT module valid for different project.

Features

  • Class 0.2/0.5 basic parameter and class 1 for active energy
  • Flexible combination of up to 40*3P3P/3P4W or 120*1P2W branch circuit metering
  • Standard 35mm DIN rail mounting: 4M width (core unit), 3N width (expand circuit unit)
  • 1.6’’ dot matrix LCD screen
  • RS-485 Modbus/RTU Communications
  • Optional IoT expand module
  • Optional Ethernet expand module

Specification

Current measurement on inputs (TRMS)
Rating of CT secondary 100mA, 50mA, 2.5mA
Measurement range 0 … 11 kA
Input consumption <0.1 VA
Accuracy 0.5% (IEC61557-12)
Impedance <10mΩ
Overload capacity 1.2 times of rating, continuous
10 times of rating, 10s
Voltage measurement (TRMS)
Measurement range 18 … 300 VAC
PT secondary 100VAC / 400VAC
Input consumption <0 .1 VA
Accuracy 0.5% (IEC61557-12)
Impedance >1MΩ
Overload capacity 1.2 times of rating, continuous
2 times of rating, 1s
Frequency measurement
Measurement range 45 … 65 Hz
Accuracy ±0.02Hz
Energy accuracy
Active energy Class 1.0 (IEC 62053-22)
Reactive energy Class 2.0 (IEC 62053-23)
Auxiliary power supply (19D-NC)
Rating DC/AC 85~265 ± 10 %
Frequency 50 / 60 Hz
Consumption < 10 VA
Auxiliary power supply (Expand unit)
Rating 12Vdc
Consumption <0.9W
Communication
Link RS485 (2/3 wires half duplex)
Protocol Modbus RTU mode
MODBUS speed 4800/9600bauds
Safty
Isolation withstand voltage AC 1KV/1min

Selection Models

Code Description Features
19D-NC Core Unit 85-265Vac/dc
2* RS485
12V (15W) load capacity
19D-N32 Three phase metering unit 12Vdc
AUX
2 channels three phase single
1* RS485
19D-N16 Single phase metering unit 12Vdc
AUX
6 channels single phase single
1* RS485
19D-NWL LoRa communication module 12Vdc
AUX
LoRa 2.4G
1* RS485
19D-NW4G 4G communication module 12Vdc
AUX
4G telecom signal, LTE
1* RS485

Typical Wiring

Download

Brochure of Din-rail Energy Meter

19D-NX-User-manual-V1.0