Weisheng DDS3102-P4 single-phase power monitoring instrument rail type electric meter 220V multi rate 485 electric meter
1、 Product Overview
This monitoring device adopts a high-precision sampling measurement unit and a high-speed MCU data processing unit, which can achieve high-precision, wide range accurate measurement and fast data analysis; Adopting segmented wide viewing angle LCD display screen, displaying rich content; The LCD is equipped with a white backlight, which can meet the requirements for accessing data in dark environments; Non volatile memory is used to store various types of data, which can be saved for a long time without loss in case of power failure; DDS3102-P4 supports RS485 and far-infrared dual communication interfaces and industrial standard communication protocols, making networking convenient and flexible.
2、 Functional Features
The DDS3102-P4 series power monitoring instrument is a power monitoring instrument that integrates measurement recording, energy metering, LCD screen display, and network communication. It can measure the voltage, current, active power, power factor, and frequency of the power grid, and can also measure forward and reverse active energy as well as multi rate energy; And it has freezing and load curve functions, as well as overload tripping and timed tripping and closing functions. Equipped with RS485 and far-infrared dual communication interfaces, supporting MODBUS RTU and DL/T645 (2007) dual communication protocols.
This series of monitoring instruments is widely used in power distribution automation systems, industrial control and automation systems, energy management systems, and residential power monitoring.
Meets the following standards:
GB/T17215.322-2008 Static active energy meter (0.2S level and 0.5S level)
GB/T17215.321-2008 Static active energy meters (Class 1 and Class 2)
DL/T645-2007 Multi functional Energy Meter Communication Protocol
Modbus RTU protocol
Measure single-phase voltage and current, measure positive and negative active energy, and have power direction recognition and indication functions.
Optional time of use multiple rate electricity metering function, which can be set with time slot table and rate parameters through the upper computer;
Equipped with one RS485 communication interface, MODBUS-RTU protocol and DL/T645 protocol optional, with one active power pulse output;
Current circuits below 60A can be directly connected; External current transformer and secondary line connection for current circuits above 60A;
Voltage signal power supply, no need for auxiliary power supply;
7-bit wide temperature LCD display, data loop display;
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Small size, 35mm standard rail installation.
3、 Technical parameters
DDS3102-P4
project |
TECHNICAL INDEX |
|
Wiring form |
single phase |
|
measure |
voltage |
Reference voltage Un: AC220V, AC110V |
Measurement range: 0.7Un~1.3Un | ||
Power consumption:<0.05VA (single-phase) | ||
Accuracy: RMS 0.2% | ||
Resolution: 0.01V | ||
electric current |
Current specifications: 5 (60) A, 1.5 (6) A, 1 (6) A, 5 (6) A |
|
Measurement range: 0.004In~Imax | ||
Power consumption:<0.05VA (single channel rated current) | ||
Accuracy: RMS 0.2% | ||
Resolution: 0.001A | ||
active power |
Accuracy: 0.5% |
|
Resolution: 0.001kW | ||
grid frequency |
Measurement range: 45 Hz~65 Hz |
|
Accuracy: 0.2% | ||
Resolution: 0.01 Hz | ||
metering |
active electrical energy |
Accuracy level: Level 1 or 0.5S |
Resolution: 0.01 kWh | ||
Multiple rates are optional | ||
digital signal |
Electric pulse output |
1-channel active power pulse output |
Optocoupler isolation, 4000VRMS | ||
communication |
RS-485 communication port |
Interface type: two-wire half duplex, 1-channel |
Communication speed: 600bps~9600bps | ||
Protocol: Modbus RTU and DL/T 645-2007 | ||
Far infrared communication port |
Communication speed: 1200bps, 1 channel |
|
Protocol: Modbus RTU and DL/T 645-2007 | ||
clock |
clock |
23℃:≤ ±1s/d |
-25℃~+60℃:±1.5s/d | ||
Load switch |
Load switch |
Built in magnetic holding relay (voltage>0.7Un to trip and close) |
signal light |
signal light |
One trip light and one pulse light each |
environment |
operation temperature |
-25℃~+60℃ |
working temperature limit |
-35℃~+70℃ |
|
relative humidity |
≤ 95% (no condensation) |
|
other |
Working power supply |
No need for external power supply (direct power supply) |
Static power consumption:<1.5W, 2VA | ||
Installation method |
DIN rail method, 35mm standard rail installation |
|
size |
Dimensions (mm, length, width, height): 72 × 90 × 74.5 |
|
weight |
About 500g |
|
MTTF |
≥ 10 years |