The SF-E485-II data gateway is a part of the low-voltage centralized meter reading system;

It is a new generation of acquisition equipment designed according to the requirements of the user's electricity information acquisition system;

Data gateway uplink Exchange data and receive instructions with the communication front-end processor through 4G, GPRS, CDMA, Ethernet, optical fiber, etc., and perform real-time meter reading through RS-485 communication;

The data gateway adopts a large memory, which can easily meet the storage requirements of 128 PCs of energy meter;

It is mainly used in power companies at all levels, public utilities, buildings, residential quarters and other places.

Normal working temperature：-25℃～+55℃

Limit working temperature：-40℃～+80℃

Humidity：5%～100%

Atmospheric pressure：63.0kPa～108.0kPa (4000m above sea level and below)

Working power：Rated voltage 220V±30%

Frequency Range：50Hz, allowable deviation -6%～+2%

Display: LED indicator 

Interface type: 3 RS485 (1-way RS485 maintenance, 2-way meter reading), 1-way USB, 1-way modulated infrared interface, 1-way remote communication interface.

1. Excellent electromagnetic compatibility, can resist the interference of high-voltage spikes, strong magnetic fields, strong static electricity, lightning surges, and has a strong range of environmental adaptability.

2. Uplink communication adopts GPRS/CDMA/4G, Ethernet, optical fiber and other communication methods.

3. Downlink communication adopts 485 bus communication.

4. Wide voltage range design, make it more reliable and more adaptable to the working environment.

5. New maintenance concept: with powerful configuration function, device parameters can be easily modified locally/remotely, and online upgrade of local/remote software is supported.

6. Large-capacity motherboard, FLASH memory chip ensures convenient storage of various data.

7. Sealed design, using insulating and flame-retardant materials, wall-mounted structure, light in size and easy to install.