ADW300 IoT 3-phase Wireless Smart Energy Meter
General
ADW300 wireless metering meter is mainly used to metering three phase active energy on low voltage network. The product boasts of advantages including compact size, high precision, rich features.According to different requirements, there are many communications functions like RS485 communication, WIFI, NB, 4G, adding the new current sampling mode using external transformer. It can be flexibly installed in the distribution box to achieve sub-item electric energy metering, operation and maintenance supervision or power monitoring requirements for different regions and different loads.
Characteristic
Function
Accuracy: 0.5 class
Frequency: 50 ~ 60HZ
Pulse output: 6400imp/kWh , 400imp/kWh
Consumption: <10VA
Dimension(L*W*H): 72*87.8*71.5mm
Wireless Transmission: on 470MHz and maximum distance in open space is 1km; 2G; NB
Starting current: 2%In
Dimension
PIN Overview
ADW300 Basic Functions
ADW300 could work in 690V AC system. It can measure all electrical parameters, including current, voltage, power consumption, power factor, etc. Besides, it uses RS485 and Modbus-RTU as communication method.
ADW300 Optional Functions
1. Switch: 4DI & 2DO.
2. Temperature measurement: A, B, C, N. 4-channel temperature measurement.
3. Leakage Current: 1-channel measuring.
Wiring
Solution Structure
Solution Structure Direct:
Solution Structure LoRa Based:
Typical Diagram
Application Scene
Site Picture
1.Technical parameter
1.1 Electrical performance
|
Voltage input |
Rated voltage |
3×57.7/100V，3×220/380V，3×380/660V，3×100V, 3×380V，3×660V |
|
Reference frequency |
50Hz |
|
|
Consumption |
<0.5VA (Each phase) |
|
|
Current input |
Input current |
3×1(6)A ；3×1(6)A [ADW300W], 3×20(100)A [ADW300W] -CT: 3×1.5(6)A [D10]; 3×20(100)A [D16]; 3×80(400)A [D24]; 3×120(600)A [D36]; -Rogowski Coil: 1000A/200mV, 333mV |
|
Start current |
1‰ Ib (Class 0.5S)，4‰ Ib (Class 1) |
|
|
Consumption |
<1VA (Each phase) |
|
|
Auxiliary power |
Power Supply |
AC 85~265V |
|
Power consumption |
<2W |
|
|
Measurement performance |
Standard |
IEC 62053-22:2003，IEC 62053-21:2003 |
|
Active energy accuracy |
Class 0.5S [ADW300], Class 1 [ADW300W] |
|
|
Temperature accuracy |
±2℃ |
|
|
Pulse |
Width of pulse |
80±20ms |
|
Pulse constant |
6400imp/kWh , 400imp/kWh -CT: 6400imp/kWh [D10], 400imp/kWh [D16], 100imp/kWh [D24], 60imp/kWh [D36] |
|
|
Communication |
Wireless |
Transmission on 470MHz and maximum distance in open space is 1km; 2G；NB；4G; WIFI |
|
Infrared communication |
The constant baud rate is 1200 |
|
|
Interface |
RS485(A, B) |
|
|
Connection mode |
Shielded twisted pair conductors |
|
|
Protocol |
MODBUS-RTU |
1.2 Work environment
|
Temperature range |
Operating temperature |
-20℃~55℃ |
|
Storage temperature |
-40℃~70℃ |
|
|
Humidity |
≤95% (No condensation) |
|
|
Altitude |
<2000m |
|
2. Functional Characteristic
2.1 Basic & Optional Function
|
Functions |
Description |
|
Display mode |
LCD |
|
Energy metering |
Active kWh (positive and negative)，quadrant reactive power energy |
|
Electrical measurement |
U、I、 P、Q、S、PF、F |
|
Harmonic function |
THDv、Harmonic on 2nd-31st |
|
Pulse output |
Active pulse output |
|
Three-phase unbalance degree |
Voltage unbalance,current unbalance |
|
Temperature measurement |
Temperature of A/B/C/N（Alternate configuration:T） |
|
DI/DO |
4DI,2DO（Alternate configuration:K） |
|
Aftercurrent |
One-way aftercurrent（Alternate configuration:L） |
|
LED display |
Pulse LED display |
|
External current transformer |
External open type current transformer (Alternate configuration:W） |
|
Electrical parameter |
Undervoltage, undercurrent, overcurrent, underload, etc |
|
Communication |
Infrared communication |
|
RS485（Alternate configuration:C） |
|
|
Wireless transmission on 470MHz（Alternate configuration:LR） |
|
|
GPRS（Alternate configuration:2G） |
|
|
NB-IOT（Alternate configuration:NB） |
|
|
4G（Alternate configuration:4GHW） |
|
|
WIFI（Alternate configuration:WF） |
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|
|
LORAWAN【Alternate configuration: LW915(AU915),LW868(EU868)】 |
2.2 LORAWAN parameters
|
Type Specification |
Standard |
Channel Plan |
|
LW915 |
AU915 |
AU915~928 |
|
LW868 |
EU868 |
EU863~870 |
