Communication Module CDMA Communication Module for Internet Smart Meter

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

- WFET-800S CDMA module product adopts mature and stable 32-bit high-performance processor hardware platform and components.

- Delicate designed and achieved technological breakthroughs in machine stability, hardware reliability, software fault-tolerant ability and technological advancement.

- The products have the characteristics of powerful function, easy to operate, stable system, convenient maintenance, small size, convenient on-site installation and so on.

- It could provide an ideal solution for remote transmission of energy efficiency data collection at decentralized metering points.

- It is an ideal module product for watt-hour meter + Internet application.

Technical Parameters

Certificate

Q/GDW 1373-2013, Q/GDW 1374-2013, Q/GDW 1376.1-2013, DL/T 645-1997, DL/T 645-2007

Features

1. With the integration of CDMA communication technology, the power supply of the communication module can be controlled separately, which can further prevent the data communication module from system halted.

2. It can be connected to many kinds of domestic and overseas meter protocols at the same time.

3. Safe and reliable control technology with multi-level protective measures;

4. It has the function of active fault reporting, which can locate and solve the fault instantly.

5. The use of large-capacity electronic disk and embedded file management technology can ensure the preservation of historical data for a long time.

6. Function module can be remotely upgraded and remotely maintained, enables function expansion of system in the future;

7. Advanced data compression and encryption technology.

Function

1. Using high-performance 32-bit embedded hardware platform.

2. Using a stable and reliable real-time embedded Linux operating system software platform.

3. Modularization hardware: hardware independent, modular design, matching with the base meter, does not affect the metering function, supports hot-swappable function.

4. Modularization software: the application software adopts modular programming mode, and each application module runs independently and does not influence each other, so it can monitor the operation status of each module.

5. Can be connected to various domestic and overseas meter protocols at the same time.

6. Safe and reliable control technology with multi-level protective measures.

7. It has the function of active fault reporting, which can locate and solve the fault instantly

8. The use of large-capacity FLASH and embedded file management technology can ensure the preservation of historical data for a long time.

9. Function module can be remotely upgraded and remotely maintained, enable future function expansion for system.

10. Advanced data compression and encryption technology

Situation

For single or three phase watt-hour meter required remote data transmission and automatic control.

Dimension

Single Phase: 70mm×50mm×22.7mm (L x W x H)

Three Phase: 94.8mm×65mm×24mm (L x W x H)

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, power quality monitoring equipment, a full range of energy data concentrators, relay protection equipment, switchgear products and equipment related to metering automation system and all kinds of application systems as well as services which cover the demand of the whole process of energy production, distribution, transmission and consumption.

Willfar Information Technology Co., Ltd always focuses on customers and takes full control of products’ delivery and deployment, including the process of designing, testing and experimenting as well as the manufacturing process of raw material. We attach great importance to production control plan, potential failure mode and product reliability design which require us to implement the production approval procedure and control the production process strictly so as to ensure the products’ quality.

On November 4, 2013, President Xi Jinping, also general secretary of the Communist Party of China (CPC) Central Committee, visited Wasion in Changsha. He visited the product showroom and production workshops, where he talked with workers and labor models. Xi spoke highly of Wasion's achievements in product development and market expansion and encouraged the company to step up innovation in technology, management, product, marketing and branding.

So far, Willfar has 396 valid patents, of which 26 are invention patents, 240 pieces for utility model, 130 pieces for design and 442 software copyrights; it has also received 10 technical awards of provincial or ministerial level or above. Willfar has participated in the setting of 15 national industry standards, 10 of which have been published.

Willfar Information Technology Co., Ltd takes "smart manufacturing capability" as one of its core competing powers by realizing the whole process data tracing and full-lifecycle management of product design, processing, procurement, production, logistics and service via SCM, CRM and APS on the basis of ERP, PDM, PLM and MES.

So far, Willfar has 396 valid patents, of which 26 are invention patents, 240 pieces for utility model, 130 pieces for design and 442 software copyrights; it has also received 10 technical awards of provincial or ministerial level or above. Willfar has participated in the setting of 15 national industry standards, 10 of which have been published.

The smart manufacturing technology research project of Willfar is the upgrading and reconstruction of the production facility which is about 100,000 square meters. It will become a leading digital factory with full coverage of information system, high level of production technology and automation.