The ANet-1E2S1 is a high-performance smart IoT gateway developed by Acrel for centralized energy and utility data acquisition. Built on an embedded Linux platform, it enables real-time data monitoring, configuration, and uploading across various protocols and networks. Designed for compatibility with water, electricity, gas, cooling, and heat metering systems, it features dual RS485 interfaces, Ethernet, wireless 4G routing, and built-in data protection mechanisms. The ANet-1E2S1 is widely used in smart buildings, industrial systems, public infrastructure, and energy management platforms requiring reliable and secure IoT connectivity.

Technical Specifications

Feature	Specification
Model	ANet-1E2S1
Operating System	Embedded Linux
Processor	ARM32-bit Freescale ARM9 i.MX2xx @ 454MHz
Memory	64MB DDR2 + 128MB NAND Flash
Storage	Built-in 8GB SD Card (hot-pluggable, expandable)
Voltage Range	AC/DC 85–265V (dual wide voltage)
Power Consumption	≤10W
Communication Ports	2× RS485 (isolation), 1× Ethernet (10/100 Mbps)
Protocol Support	Modbus-RTU/TCP, MQTT, DL/T645, IEC 60870-5 (101/103/104), HTTP(s), XML, JSON, CJT188
Max Device Support	Up to 64 devices
Upload Features	Custom frequency (second/minute level), multi-protocol upload
Data Integrity	Breakpoint resume, historical storage, FIFO logic
Configuration	Local and remote config, batch setting, AES encryption, MD5 authentication
EMC Compliance	Level 4 (ESD, EFT, surge, RF immunity)
Safety	2kV isolation, >100MΩ insulation resistance
Temperature Range	-20°C to +55°C operating; -25°C to +70°C storage
Humidity	≤95% RH (non-condensing)
Altitude	≤2500m
Installation	Panel mountable

Functions

• Real-time data collection from multi-brand metering equipment
• Supports simultaneous multi-center uploads using independent protocols
• XML-based upload with compression and AES encryption
• Plug-and-play SD card with automatic cycle-based data storage
• Anti-overflow and auto-deletion for full data protection
• Automatic system recovery on failed firmware/config updates
• Secure remote maintenance with high-speed configuration/firmware updates
• Network communication via Ethernet and optional 4G routing

Applications

• Smart grid and utility metering systems
• Building automation and energy management platforms
• Fire protection and safety monitoring systems
• Industrial control and electricity demand-side platforms
• Public infrastructure (schools, hospitals, government buildings)
• Smart city and intelligent building deployments

Manufacturer Information

Acrel Co., Ltd., established in 2003, is a high-tech enterprise specializing in energy efficiency management and electrical safety solutions. With a comprehensive product line ranging from cloud platform software to sensors, Acrel offers smart energy meters, power sensors, and protection devices. Their products are widely utilized across industries such as electric power, communications, rail transit, petrochemical, and construction. In 2012, Acrel was listed on the Growth Enterprise Market with the stock code 300286.SZ. The company is committed to delivering innovative and reliable energy management solutions to its global clientele.