Complaint
Function | Function description | Function provide |
Measurement of kWh | Active kWh (positive and negative) | * |
Reactive kWh (positive and negative) | * | |
A, B, C phase positive active kWh | * | |
Measurement of electrical parameters | U,IP,Q,S,PF,F | * |
Measurement of | 2~31ST Voltage and current harmonic | Note 1 |
LCD Display | 8 bits section LCD display, background light | * |
Key programming | 4 keys to communication and set parameters | * |
Pulse output | Active pulse output | * |
Reactive pulse output | Note 2 | |
Clock pulse output | Note 2 | |
LED alarm | Alarm on voltage loss and overvoltage | * |
Multi-tariff and functions | Active switch input | Note 3 |
Switch output | Note 2 | |
Adapt 4 time zones, 2 time interval lists, 14 time interval by day and 4 tariff rates | * | |
Max demanded kWh and time happened | * | |
Frozen data on last 48 months, last 90days | * | |
Date, time | * | |
Communication | The first communication path: Communication interface: RS485, Communication protocol: MODBUS-RTU and DL/T645-07 | * |
The second communication path: Communication interface: RS485,Communication protocol: MODBUS-RTU and DL/T645-07 | Note 3 | |
Temperature measurement | Support 3 outlay NTC temperature | Note 4 |
Note: 1: Harmonic is a standard while choosing outlay transformer, optional for other situation. 2: Reactive pulse output, clock pulse output and switching output: Choose one of these three. 3: Active switching, the second communication path: Choose one of these two. 4: Both 1 and 2 cannot be chosen while choosing temperature measurement. | ||
Specification | 3 phase 3 wires, 3 phase 4 wires | |||
Voltage | Reference voltage | 3×100V, 3×380V,3×57.7/100V, 3×220/380V | ||
Consumption | <10VA(Single phase) | |||
Impedance | >2M | |||
Accuracy class | Error±0.2% | |||
Current | Input current | 3×1(6)A,3×1(6)A (Outlay transformer),3×10(80)A | ||
Consumption | <1VA(Single phase rated current) | |||
Accuracy class | Error±0.2% | |||
Power | Active, reactive, apparent power, error±0.5℅ | |||
Frequency | 45~65Hz | |||
Temperature | -40ºC~99ºC | |||
Energy | Active energy(Accuracy class:0.5, 1), reactive energy(Accuracy class 2) | |||
Clock | ≤0.5s/d | |||
Energy pulse output | 1 active optocoupler output, 1 reactive optocoupler output | |||
Switching output | 1 Switching output | |||
Switching input | 1 optocoupler input | |||
Width of pulse | 80±20ms | |||
Pulse constant | 6400imp/kWh,400imp/kWh (Correspond with the basic current) | |||
Interface and communication | RS485:Modbus RTU/DL/T645-0 | |||
Range of communication address | Modbus RTU:1~ 247; | |||
Baud rate | 1200bps~19200bps | |||
Relative temperature | -25ºC~+55ºC | |||
Relative humidity | ≤95℅(No condensation) | |||
