
Figure 1 User 1 is a transformer access user, currently tripped, power consumption is 200 kWh, and the remaining amount is negative 100 yuan;
Figure 2 User 2 is a three-phase user, currently not tripped, power consumption is 200 kWh, and the remaining amount is 100 yuan:
Figure 3 User 3 is a single-phase user, currently not tripped, power consumption is 200 kWh, and the remaining amount is 100 yuan.
Accuracy
kWh Class 0.5s
Frequency
45~65HZ
Power supply(self supply):
154~264 Vac
Pulse output kWh
Input Consumption
≤ 10W
Installation
DIN 35mm
Dimension(L*W*H)
115*72*79.5mm
Clock
Error ≤0.5s/d
Starting current
0.01A/0.001A
|
Auxiliary power |
Voltage |
Three-phase 3*220V/380V power supply (for single-phase power supply, short-circuit terminals 1, 2, and 3 on the instrument) |
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Power consumption |
≤10W |
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Voltage input |
Rated voltage |
3×220/380V、3×57.7/100V、 |
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Reference frequency |
50Hz |
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Current input |
Input Current |
3×1(6)A(Instrument transformer access), 3*10 (80) (direct access) |
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Starting current |
1‰Ib |
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Measuring performance |
measurement accuracy |
0.5s level |
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Clock accuracy |
≤0.5s/d |
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Pulse |
Pulse output |
Each three-phase metering module has 1 active energy pulse |
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Pulse Width |
80ms±20ms |
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Pulse constant |
3×1(6)A specification 6400 imp/kWh |
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3×10(80)A specification 400 imp/kWh |
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Switch |
Main module |
Main module 2DI+2DO,Among them, DI is dry contact input |
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Slave module |
Transformer access slave module 4DI+4DO,Among them, DI is 220V wet contact input |
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Communication |
Infrared interface |
Infrared communication |
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RS485 interface |
MODBUS-RTU |
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Ethernet interface |
Modbus-TCP、TCP/IP |
1.2 Work environment
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Surroundings |
Temperature |
Operating temperature:-20℃~+60℃ Storage temperature:-30℃~+70℃ |
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Humidity |
≤95%RH,No condensation, no corrosive gas place |
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Altitude |
≤2000m |
2.1 Metering type
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Features |
Function Description |
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Display method |
LCD(Field) |
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Energy metering |
Active energy metering(Forward and reverse), Reactive power measurement(Forward and reverse), |
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Electricity measurement |
Voltage, current (zero sequence current), power factor, frequency, active power, reactive power, apparent power |
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Harmonic function |
Total harmonic content, sub-harmonic content (2~31 times) |
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Three-phase unbalance |
Voltage and current unbalance |
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DI/DO |
Main module 2DI2DO |
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Transformer access to the slave module 2DI4DO (direct access to the slave module without) |
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LED Instructions |
Pulse light indication |
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Communication |
Infrared communication |
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RS485 interface (main module) supports MODBUS |
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Historical power |
Historical Electricity in Last December |
2.2 Prepaid type
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Features |
Function Description |
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Energy metering |
Total active energy, forward and reverse active energy, multi-rate active energy measurement |
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Electricity measurement |
U、I、P、Q、S、PF、F |
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LCD display |
8-digit segment LCD display, backlight display |
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Button programming |
Key programmable communication, number of loops, single three-phase mode, external control mode and other parameters |
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Pulse output |
Active pulse output |
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Multiple rate |
Support 4 time zones, 2 time slots, 14 daily time slots, 4 rates |
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Date, time, day of the week |
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Main module communication |
Infrared communication |
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Up to 3 channels of communication: RS485 interface, Also support Modbus |
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Prepaid agreement (remote, radio frequency card) |
Cost control (including forward active power and reverse active power) |
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Time control |
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Negative control (malignant load identification) |
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Strong control |
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Recharge record |
20 Article |