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Help CenterSmart Three Phase Energy Meter DLMS Protocol
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Main Features
- Energy Measurement
Total and time-sharing forward active & reactive energy measurement
Total and time-sharing reverse active & reactive energy measurement
Save last one to sixteen months energy data
- Load control function
When the residual energy is 0 or the allowable overdraft that both sides agreed, this meter will send out power-off signal to have load switch cut off power. The power will be recovered automatically after inputting new purchased energy amount.
- Programmable low credit warning
The meter can be programmed for setting user credit warning threshold, When the meter’s residual energy is equal to credit warning threshold, the meter will start the audio & video warning function in a way of warning light flashing
- Tamper detection
With event recording function (including cover-opening event, tamper event and power failure event)
- Max. Demand Measurement
Measure total and forward active & reactive maximum demand and time of occurred
Measure total and reverse active & reactive maximum demand and time of occurred
Measure total forward & reverse apparent maximum demand and time of occurred
- Real Time Measurement
Real-time measurement of the phase voltage, current, total active power, reactive power, apparent power, total power factor, power grid frequency
- TOU
4tariffs, 100holidays, 14seasontables, 8time zonetables, each table on maximum 14 time zones
- Event Log
The last 10 records of following events:Power-down, Programing, Cover opening, Terminal cover opening, Reverse power, Phase Fail.the records include data and time
- Optical port interface
Support IEC62056_21 protocol, 1200bps for communication
- RS-485 serial interface
Support IEC62056(DLMS/COSEM) protocol, 2400bps for communication
- LCD display
Number of digits value field Up to 8, Digit size 6x14.5mm
Technical parameters:
Electrical parameters: | |
Voltage | |
Nominal voltage Un |
3x220V |
Extended operating voltage range |
80%~115%Un |
Limited voltage |
70%~120%Un |
Frequency |
|
Nominal frequency fn |
60Hz |
tolerance |
5% |
Current |
|
Basic current(Ib) |
10A |
Maximum current(Imax) |
100A |
Starting current(Ist) |
30mA |
Active energy constant |
400imp/kWh |
Measurement Accuracy |
|
Active energy to IEC62053_21 |
Class1.0 |
Reactive energy to IEC62053_23 |
Class2.0 |
Power Consumption |
|
Power consumption in Voltage circuit |
<2W <8VA |
Power consumption in current circuit |
<1VA |
Temperature range |
|
Operation meter |
25℃ to+70℃ |
Storage |
40℃ to+85℃ |
| |
Insulation strength | |
AC Insulation strength |
4kV at 50Hz during 1min |
Impulse voltage 1.2/50μs mains connections |
8kV |
|
|
Electro Magnetic Compatibility | |
Electrostatic discharges |
|
Contact discharge |
8kV |
Air discharge |
16kV |
Electromagnetic RF fields |
|
27MHz to 500MHz typical |
10V/m |
100kHz to 1GHz typical |
30V/m |
Fast transient burst test |
4kV |
|
|
Mechanical requirements |
|
Meter shell Protection Rate |
IP54 |
Protection |
classII |
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