Willfar Information Technology Co. Ltd.
| Payment Terms | T/T |
| Supply Ability | 2000 per day (based on the number of the order) |
| Delivery Time | 30 days |
| Packaging Details | Carton Packaging |
| Color | Grey |
| celiangfanwei | 10V~700V |
| gonghao | < 0.05VA |
| jingdu | RMS 0.2 % |
| fenbianlv | 0.01V |
| Brand Name | Willfar Information Techonology Co., Ltd. |
| Model Number | DDS3102-3N |
| Certification | CPA/CMC/CE |
| Place of Origin | Changsha, Hunan |
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Product Specification
| Payment Terms | T/T | Supply Ability | 2000 per day (based on the number of the order) |
| Delivery Time | 30 days | Packaging Details | Carton Packaging |
| Color | Grey | celiangfanwei | 10V~700V |
| gonghao | < 0.05VA | jingdu | RMS 0.2 % |
| fenbianlv | 0.01V | Brand Name | Willfar Information Techonology Co., Ltd. |
| Model Number | DDS3102-3N | Certification | CPA/CMC/CE |
| Place of Origin | Changsha, Hunan | ||
| High Light | smart energy monitor ，3 phase power monitor | ||
Energy Efficiency Management Device Single-phase Power Distribution Monitor DDS3102-3N
Company Profile
Willfar Information Technology Co., Ltd.
- Established in 2004;
- Listed on the STAR Market of the Shanghai Stock Exchange in December 2019;
- Leading supplier of meter reading (AMI) equipment and operation service;
- The first company to develop "One DCU Reading Multi-meter" solution in China;
- The first company to have large-scale application of technologies and systems like "CPU smart-card Charge and Control", "One DCU Reading Multi-meter", LoRa-based RF Communication and "District Metering Area (DMA)”
Introduction
- DDS3102-3N single-phase power distribution monitor is a device with the function of measurement recording, power consumption recording, remote signaling and remote control, LCD display and network communication.
- The monitor can measure voltage, current, power, power factor, frequency and other power network parameters;
- It can record active and reactive power; RS-485 communication interface supports MODBUS-RTU and DL/T 645-2007 dual communication protocols;
- With switch input function, can be configured with switch output and transmission output functions.
Technical Parameters
| Item | Technical Parameters |
|---|---|
| Voltage | Reference Voltage Un: AC 380V, AC220V, AC100V |
| Measuring Range: 10V~460V | |
| Power Consumption: < 0.05VA | |
| Accuracy: RMS 0.2 % | |
| Resolution: 0.01V | |
| Current | Nominal Current In:1A, 1.5A, 5A |
| Measuring Range: 0.001In ~ 10A | |
| Power Consumption: < 0.05VA (single line nominal current) | |
| Accuracy: RMS 0.2 % | |
| Resolution: 0.001A | |
| Power (Active/Reactive/Apparent) | Accuracy: 0.5% |
| Resolution: 0.001kW/kvar/kVA | |
| Line Frequency | Measuring Range: 45 Hz~65 Hz |
| Accuracy: 0.2% | |
| Resolution: 0.01 Hz | |
| Active Power | Level of Accuracy: 0.5S, Resolution: 0.01 kWh |
| Reactive Power | Level of Accuracy: Level 2; Resolution: 0.01 kvarh |
| Power Pulse Output | Active Power Pulse Output Opto-isolator, 4000VRMS |
| Switch Output (Optional) | 1-way for Electromagnetic Relay Output Normally Open Type Contact Rating: AC 250V /5A；DC 30V /5A |
| Switch Input | 2-way Dry Contact Input Opto-isolator, 4000VRMS |
| Transducing (analog quantity) Output (Optional) | 4-way Transducing Output Current Output Type (4~20mA or 0~20mA or 0~24mA) Voltage Output Type (0~5V or 0~10V) Accuracy: 0.5% |
| RS-485 Communication Interface (Optional) | 接口类型:两线半双工 通信速率:1200bps~9600bps 规约:Modbus-RTU 和DL/T 645-2007 |
| Working Temperature | -25℃~+60℃ |
| Limit Working Temperature | -35℃~+70℃ |
| Relative Humidity | ≤ 95% (non-condensing) |
| Power Supply | AC/DC |
| Maximum Input Range: 40V~265V | |
| Power Consumption: ≤1W,2VA | |
| Dimension | Case Dimension (mm): 72×72×85 Hole Diameter (mm): 67×67 |
| Weight | Around 243g |
Certificate
GB/T17215.321-2008
GB/T17215.322-2008
GB/T17215.323-2008
DL/T 645-2007
Modbus-RTU
Features
DDS3102-3N adopts a high-precision sampling unit and a high-speed MCU data processing unit, which can realize high-precision, wide-range accurate measurement and rapid data analysis;
A segment-code type multi-line wide angle liquid crystal display screen enables various contents displaying; the liquid crystal screen is equipped with white backlight, which can meet the requirements of consulting data in the dark environment; using non-volatile memory to store all kinds of data, the data can be saved for a long time even encountering power loss.
It supports RS-485 communication interface and industrial standard communication protocol, and the networking mode is convenient and flexible; different possible expansion on functional modules enables the different interface demands of users.
1. Full Qualification: CPA and measurement license CMC.
2. High Precision: measure / measure the whole power parameters, the accuracy of active power is Level 0.5s, the accuracy of reactive power is Class 2.
3. Wide Voltage: AC / DC operation is derived from adaptation, 40~420V AC/DC input range.
4. Multi-communication: 1-way 485 communication interface, supporting MODBUS-RTU and DL/T645-2007 protocols.
5. Multiple Interface: 2-way for switch inputs, 1-way for relay output, 4-way for analog transducing output.
6. High Performance: dustproof and waterproof, meet the national standard double insulation, level 4 EMC anti-disturbance test, class b level RF electromagnetic field interference.
Function
| Model Function | 3V | 3A | 3B | 3H | 3C | 3M | 3E | 3N |
|---|---|---|---|---|---|---|---|---|
| Voltage Measuring | √ | √ | √ | √ | ||||
| Current Measuring | √ | √ | √ | √ | ||||
| Frequency Measuring | √ | √ | √ | |||||
| Active Power Measuring | √ | √ | √ | |||||
| Reactive Power Measuring | √ | √ | √ | |||||
| Power Factor Measuring | √ | √ | √ | |||||
| Apparent Power Measuring | √ | √ | √ | |||||
| Active Power Usage Measuring | √ | √ | ||||||
| Reactive Power Usage Measuring | √ | √ | ||||||
| Active Power Pulse Output | √ | √ | ||||||
| Out-of-limit Alarm Function | √ | √ | √ | √ | √ | √ | √ | |
| Transducing Output Function | △ | △ | △ | △ | △ | △ | △ | |
| Switch Input (Remote Signaling) Function | √ | √ | √ | √ | √ | √ | √ | √ |
| Switch Input (Remote Control) Function | △ | △ | △ | △ | △ | △ | △ | △ |
| RS-485 Communication Function | △ | △ | △ | △ | △ | △ | △ | △ |
Note: "√" indicates the basic function of each module. "△" indicates the optional functions of the model.
Situation
Widely applied in transformer and distribution automation system, industrial control and automation system, energy management system and community power monitoring and other occasions required energy efficiency monitoring.
Energy Pulse Output
The monitor provides active power pulse output and internal Opto-isolator. The pulse output width is (80 ±20) ms,. The maximum allowing current is 10mA (DC), and the working voltage range is 5V~80V (DC).
Switch Input Interface
The monitor is equipped with two digital switch input interfaces, which are connected by passive dry contact. The terminal marks are DI1, DI2 and COM, in which the COM interface is a common pole.
Relay Output Interface
The monitor is equipped with relay output interface, which can be used for alarm indication or protection control output in many cases. The electrical parameters of the internal relay are: AC 250V/DC30V, 5A.
Dimension
Company Details
Business Type:
Manufacturer,Exporter,Seller,Other
Year Established:
2004
Total Annual:
170-180 million
Employee Number:
700~705
Ecer Certification：
Active Member
Introduction As the first company in Hunan Province to be listed on SSE STAR Market, Willfar is the pioneer manufacturer in China that can simultaneously provide related industries with all kinds of advanced electricity, water, gas and heat metering products and meters for power distribution... Introduction As the first company in Hunan Province to be listed on SSE STAR Market, Willfar is the pioneer manufacturer in China that can simultaneously provide related industries with all kinds of advanced electricity, water, gas and heat metering products and meters for power distribution...
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