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ADW300 LCD IOT Wireless Smart 4G Energy Meter 3 Phase MQTT RS485 Modbus-Rtu with
ADW300 LCD IOT Wireless Smart 4G Energy Meter 3 Phase MQTT RS485 Modbus-Rtu with
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4G Wireless IoT 3-phase Smart Energy Meter+3 pcs 300A cts
Picture |
Specification |
Optional |
Communication Methods: 4G-LTE, 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: 3x300A 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 LR: Lora WIFI NB: NB-IOT wireless communication LoRaWAN |
Function
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 |
Function |
Description |
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) |
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) | |
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 |
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 | |
Display (Standard) |
LCD Display and LED Indicator |
HMI (Standard) |
Keypads Programming: Setting of CT/PT Ratio, Communication, Phase Wiring and etc |
Software (Standard) |
Adjustment Software: Setting of Data Upload Interval, WiFi configuration (Account&Password), Server Address, Port and etc |
Alarm Function (Standard) |
Undervoltage, Overvoltage, Undercurrent, Overcurrent, Underload, Overload, Communication Disconnection and etc |
I/O Function (Optional) |
4-channel or 2-channel DI (Digital Input) 2-channel DO (Digital Output) |
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 |
3x300A 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 |
<2W |
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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 |
8020ms |
Pulse Constant |
6400imp/kWh; 400imp/kWh |
3. Environment
Condition |
Description&Value |
Temperature |
Operating Temperature: -20~+55; Storage Temperature: -40C ~+70C |
Humidity |
95%RH, no condensation, without corrosive gas |
Altitude |
2000m |
PIN Overview of ADW300 |
3-phase 3-wire CT operated |
3-phase 4-wire CT operated |
Current&Voltage&Power Supply Wiring of ADW300 |