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 | White |
| Material | PVC |
| Nominal Voltage | 220V |
| Brand | Willfar Information |
| Insulation Protection | Class II |
| Operating Temperature | -40 °C ~ + 70 °C |
| Relative Humidity | ≤95%, non-condensing |
| Ingress Protection | IP51 |
| Voltage Range | 70% ~ 130% Un |
| Brand Name | Willfar Information Techonology Co., Ltd. |
| Model Number | DC200 |
| Certification | 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 | White | Material | PVC |
| Nominal Voltage | 220V | Brand | Willfar Information |
| Insulation Protection | Class II | Operating Temperature | -40 °C ~ + 70 °C |
| Relative Humidity | ≤95%, non-condensing | Ingress Protection | IP51 |
| Voltage Range | 70% ~ 130% Un | Brand Name | Willfar Information Techonology Co., Ltd. |
| Model Number | DC200 | Certification | CE |
| Place of Origin | Changsha, Hunan | ||
| High Light | data concentration unit ，remote data concentrator | ||
Data Concentration Unit AMI Data Collector DC200
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
- The collector DC200 installed between DCU and water/electric meters.
- The collector DC200 links with DCU platform through PLC network. While it communicates with electricity meters through local RS485 technology and water meter via RF LoRa technology.
- The DCU serves as the main node in the PLC network, and DC200 are sub nodes. Main node is responsible for managing the network, including sub node registration, network path optimization, etc.
- Sub nodes receive commands from main node and make response to main node through power line network.
Technical Parameters
| Item | Parameter |
| Nominal Voltage | 220V |
| Voltage Range | 70% ~ 130% Un |
| Uplink | DC2-PSR4, G3-PLC NIC, DC2-PSZ1,BPLC NIC, Wi-SUN RF Mesh NIC |
| RS485 Downlink Interface | Baud rate:9600bps, Data bits:8, Parity: none, Stop bits:1, Support up to 32 meters |
| RF LoRa Downlink Interface | Frequency:433.4MHz~453.8MHz Baud rate: <10Kbps |
| RF P2P Downlink Interface | Frequency:433.4MHz-453.8MHz Baud rate:5.5Kbps |
| Operating Temperature | -40 °C ~ + 70 °C |
| Relative Humidity | ≤95%, non-condensing |
| Ingress Protection | IP51 |
| Insulation Protection | Class II |
| Apparent Power | ≤5VA |
| Active Power | ≤3W |
| Dimension | 200 × 50 × 90mm |
Certificate
CE
Functional Elements
DC200 is composed of several elements, including:
1. CPU
2. RS485 interface
3. LoRa/RF P2P communication interface
4. Power amplifier
5. Coupling circuit
6. Voltage transformer and DC/DC power supply to adjust voltage for CPU
7. LED control
DC200 adopts the PLC or RF Mesh high-speed CPU, power amplifier, coupling circuit, DC/DC power supply, RS485 interface, LoRa/RF P2P communication interface and LED control. The PLC/RF CPU demodulates the carrier signal from coupling circuit and modulate the data sent by power line/air. The CPU also communicates with meter. RS485 and RF P2P is used for connecting electrical meter to DC200, and LoRa communication interface is used for communicating with water meter. LED control indicates the working status of DC200.
Features
1. LED Indication
DC200 is composed of five LED lights:
POWER: Power on indication, always on
RUN: Running indication, the frequency of blink is 2.5Hz
UP_TX: blink when send data to uplink network
UP_RX: blink when receive data from uplink network
DN_TX/RX: blink when send /receive data from downlink network
(Note: Uplink: G3-PLC/BPLC/Wi-SUN RF Mesh/G3, WIFI; Downlink: RS485 / RF-P2P connect to electricity meter, LoRa connect to water meter)
2. RS485 Communication interface
It is suggested that the voltage between RS485 A and RS485 B should be measured every time a meter is installed. It should not be zero or negative.
RS485 line length should not be exceed 1000m.
3. LoRa Communication interface
DC200 has two frequency of LoRa, one is fixed for wake up the water meter, the other one is unfixed for data notification and reading meter data.
4. RF P2P Communication interface
DC200 support the point to point RF star network downlink communication.
5. WiFi Communication interface
There is one WiFi function for debug and setting/reading its parameters via AT commands, including electricity/water meter archive.
Situation
For smart meter required communication function. Pluggable.
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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