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Help CenterSolar PV System Remote Online Monitoring ADW300 4G Wireless 3 Phase Smart Energy Meter With MQTT RS485 Modbus-RTU
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ADW300 Wireless IoT 3-phase Wireless Smart Energy Meter
ADW300 wireless energy meters have multiple built-in communication modules designed for different situations when paired with IoT energy management systems or other demands for remote connection. Meanwhile, ADW300 can provide various extraction function modules and various electrical parameter measurements to meet different requests from customers. Also, as proof of quality, ADW300 is strictly compliant with the standard of IEC 62052-11; IEC62053-22; LVD.
Noted: If you have any special requirements, for example, another bandwidth and communication solution or special power supply and size, please feel free to Contact Us.
Picture |
Specification |
Optional |
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● Communication Methods:4G-LTE,WIFI, LORAWAN, RS485
● Communication Protocol: MQTT, MODBUS-RTU
● Measurement: 3-phase Active Power, Reactive Power, Current, Voltage, Harmonic and etc.
● Application Scenario: Building, Factory, Smart Grids, DB Room and etc
● Rated Voltage: Up to 3x660~792Vac L-L
● Rated Current: 3x1(6)A AC (via CTs)
● HMI Programming: Setting of CT/PT Ratio, Phase Wiring, Communication and etc
● Standard&Certificate: CE; IEC; LVD
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●K: 4DI/2DO ●T: 4 channels temperature ●L: 1 channel residual current ●NB: NB-IOT wireless communication |
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Multiple Communication Methods Optional ● 4G LTE ● NB-IoT ● WiFi (2.4GHz&5GHz) ● LoRa ● RS485 (MODBUS-RTU) ● Paired with IoT Energy Monitoring System |
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Power Quality Analysis ● Total Harmonic ● 2nd~31st Harmonic ● Voltage Unbalance ● Current Unbalance |
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Expanded Function Optional ● 2-channel DO (Digital Output) ● 4-channel DI (Digital Input) ● 4-channel Cable Temperature Monitoring ● 1-channel Residual Current Measurement |
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Alarm Function ● Over/Under Current ● Over/Under Voltage ● Over/Under Power ● Phase Loss |
1. Function description
Function |
Description |
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Measurement (Standard) |
Three-phase AC kWh, kVarh, Active Power, Reactive Power, Quadrant Reactive Power Energy, Current, Voltage, Voltage&Current Unbalance, Power Factor, Apparent Power, Frequency, Harmonic (2~31st&THD) |
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Measurement (Optional) |
Temperature Measurement:4-channel (A, B, C, N) Cable Temperature Monitoring; Thermistor: NTC; Range: -40~+99℃; Accuracy:±2℃ |
Residual Current Measurement: 1-channel Residual Current Monitoring (Need to be paired with Residual Current Transformers) | |
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Communication (Optional) |
RS485 Port with Modbus-RTU protocol - 1 start bit,8 data bits,1 stop bit, no parity; Baud Rate 1200~38400 bps, etc. Infrared Communication - Constant Baud Rate 1200 bps |
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Communication (Optional) |
4G LTE - Normal Communicaiton Module Support: LTE-FDD: B1/B3/B5/B8; LTE-TDD:B34/B38/B39/B40/B41 4G LTE - Global Communication Module Support: LTE-FDD: B1/B3/B5/B7/B8/B20/B28; LTE-TDD: B38/B40/B41 |
WiFi - Support 2.4GHz or 5GHz | |
LoRaWAN | |
LoRa | |
NB-IoT | |
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Display (Standard) |
LCD Display and LED Indicator |
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HMI (Standard) |
Keypads Programming: Setting of CT/PT Ratio, Communication, Phase Wiring and etc |
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Software (Standard) |
Adjustment Software: Setting of Data Upload Interval, WiFi configuration (Account&Password), Server Address, Port and etc |
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Alarm Function (Standard) |
Undervoltage, Overvoltage, Undercurrent, Overcurrent, Underload, Overload, Communication Disconnection and etc |
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I/O Function (Optional) |
4-channel or 2-channel DI (Digital Input) 2-channel DO (Digital Output) |
2. Technical parameter
Parameter |
Description&Value |
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Voltage Input |
Rated Voltage |
3x380~456Vac L-L or 3x660~792Vac L-L (via direct connection) 3x100~120Vac L-L (via PTs) |
Reference Frequency |
45~65Hz |
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Power Consumption |
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Current Input |
Rated Current |
3x1(6)A AC (via CTs) |
Starting Current |
1% Ib (Class 0.5); 4% Ib(Class 1) |
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Power Consumption |
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Phase Wiring |
3P4W |
3-phase 4-wire |
3P3W |
3-phase 3-wire |
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Auxiliary Power Supply |
Voltage Range |
85~265Vac |
Power Consumption |
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Measurement Performance |
Standard |
IEC 62053-22:2003; IEC 62053-21:2003 |
kWh Accuracy |
Class 0.5S |
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Pulse |
Width of Pulse |
80±20ms |
Pulse Constant |
6400imp/kWh; 400imp/kWh |
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3. Environment
Condition |
Description&Value |
Temperature |
Operating Temperature: -20℃~+55℃; Storage Temperature: -40°C ~+70°C |
Humidity |
≤95%RH, no condensation, without corrosive gas |
Altitude |
≤ 2000m |
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PIN Overview of ADW300 |
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3-phase 3-wire CT operated |
3-phase 4-wire CT operated |
Current&Voltage&Power Supply Wiring of ADW300 | |
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