The ANet-2E8S1 is a powerful and versatile smart IoT gateway developed by Acrel for large-scale energy and utility data acquisition applications. With an ARM Cortex-A7 528 MHz processor, dual Ethernet ports, 8 RS485 channels, and support for multiple protocols including Modbus, MQTT, and IEC 60870, it enables real-time collection and upload of over 10,000 data points. Integrated with an 8GB SD card and USB for hot-swappable data storage, the ANet-2E8S1 features breakpoint resume, multi-protocol uploading, and a robust anti-failure system that ensures secure and uninterrupted system operation. This makes it ideal for smart city deployments, intelligent buildings, and industrial IoT systems.

Technical Specifications

Feature	Specification
Model	ANet-2E8S1
Processor	ARM32-bit Cortex-A7, 528 MHz
Operating System	Embedded Linux (ANetOS)
RAM & Flash	256MB DDR3 + 256MB NAND Flash
Power Supply	AC 85–265V / DC 12–36V (reverse connection protected)
Power Consumption	≤10W
Communication Ports	8× RS485, 1× RS232, 2× 10/100M Ethernet
Storage	Built-in 8GB SD card, 1× USB 2.0 (hot-plug supported)
Device Capacity	Up to 256 meters, 10,240 data points
Protocols Supported	Modbus, Modbus TCP, MQTT, DL/T645 (1997/2007), CJT188, IEC 60870-5-101/103/104, HTTP(s), XML, JSON
Data Upload Config	Second/minute-level, supports multi-center uploads
Security	AES encryption, MD5 authentication, XML compression
Auto Recovery	Configuration rollback (3–5s), firmware recovery (5–10s)
Display & Config	RS232 console, remote/local config via software
Electromagnetic Compliance	EMC Level 4 (IEC61000-4 standards)
Withstand Voltage	AC 2kV (1 min) between terminals and power
Insulation Resistance	>100MΩ
Operating Temp.	-20°C to +55°C
Storage Temp.	-25°C to +70°C
Humidity	≤95% RH (non-condensing)
Altitude	≤2500m
Installation	Panel-mounted

Functions

• Collects and forwards real-time data from up to 256 metering devices
• Uploads to multiple servers with different protocols in parallel
• Built-in SD card and USB ensure secure offline data logging
• Automatic resume after network failure or system error
• Local and remote system maintenance, parameter config, and updates
• Supports scheduled uploads, customizable history storage (FIFO logic)
• Strong EMC protection for industrial reliability

Applications

• Government and institutional energy monitoring
• Smart metering for residential and commercial buildings
• Industrial control systems with multiple protocol requirements
• IoT data gateways in smart city infrastructure
• Utility integration: electricity, gas, oil, cold, heat metering platforms

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.