Overview
The AWT200 Smart DTU is a data communication gateway designed for data acquisition and analysis from various terminal devices. It enables device monitoring, control, and calculation, establishing a communication link between systems and devices for bidirectional data exchange. With real-time anomaly detection and logical judgment based on user rules, it significantly reduces labor and communication costs. Suitable for applications such as energy management, industrial automation, and remote monitoring, the AWT200 supports multiple communication protocols and interfaces for seamless integration with local or cloud platforms.
Highlight
Powerful Acquisition & Processing
- Up to 10,000 data points
- On-site auto-adaptation, no debug
- Logical calculation & data processing
- 8 serial ports + LoRa/4G/WiFi/Ethernet
- Built-in AI/DI/DO for local I/O

Large Storage & Data Continuity
- 8G TF card for mass storage
- Local buffering during outages
- Automatic retransmission on recovery
- Ensures zero data loss
- Ideal for unstable networks

Versatile Connectivity & Protocols
- RS485, Ethernet, 4G, WiFi, LoRa
- Modbus RTU/TCP, MQTT, HTTP
- TCP/UDP server/client modes
- IPv4/IPv6 dual stack
- DHCP for easy networking

Easy Configuration & Maintenance
- 1.2″ dot-matrix display & keys
- Local, Web, and remote configuration
- Windows configuration tool
- Firmware upgrade via multiple methods
- Real-time status indicators

Function
| Feature | Description |
| Data Acquisition & Concentration | Supports up to 10,000 data points; adaptive meter reading without on-site debugging. |
| Communication Interfaces | Up to 8 RS485 ports (isolated), Ethernet 10/100M, 4G, WiFi, LoRa; flexible combination. |
| Protocol Support | Modbus RTU/TCP, MQTT, TCP/IP, UDP, HTTP; IPv4/IPv6; configurable to suit various platforms. |
| I/O Capabilities | Built-in analog inputs (AI), digital inputs (DI), and digital outputs (DO) for local monitoring and control. |
| Data Processing | Logical calculation and rule-based judgment; real-time anomaly detection. |
| Storage & Retransmission | 8G TF card for data buffering; automatic retransmission after network recovery (Breakpoint resumption). |
| Configuration Methods | Local via display/keys; Windows desktop software; Web browser; remote debugging. |
| Operating Modes | TCP server/client, UDP server/client; flexible networking. |
| Firmware Upgrade | Upgrade via serial port, Web browser, or Windows tool. |
| LED Indicators | Status, communication, network, and alarm LEDs for quick diagnostics. |
Show More
Specification
| Parameter | Value |
| Processor | Cortex-M4 core, 168 MHz |
| Storage | 8G TF card |
| RS485 Ports | Up to 8 isolated terminals: 485A, 485B, GND |
| Ethernet | 1×10/100M, isolated |
| Serial Parameters | Baud rate 1200~115200 bps; Parity none/odd/even; Data bits 7~8; Flow control none |
| Digital/Analog I/O | AI, DI, DO terminals available |
| Protocols | Modbus RTU/TCP, MQTT, TCP, UDP, HTTP, DHCP |
| Network Modes | TCP server/client, UDP server/client |
| Configuration | Windows software, Web browser, remote debugging |
| Firmware Upgrade | Serial, Web, Windows tool |
| Power Supply | DC 12-24V (with adapter) |
| Operating Temperature | -20°C ~ +55°C |
| Storage Temperature | -40°C ~ +85°C |
| Humidity | <95% RH, non-condensing |
| Dimensions (W×H×D) | 108 mm × 88 mm × 70 mm (6 modules) |
| Mounting | 35 mm DIN rail, flame-retardant ABS |
| LED Indicators | Status (green), Communication (green), Network (red), Alarm (red) |
Show More
FAQ
The AWT200 can be configured locally via the 1.2″ display and buttons, or remotely using Windows desktop software, Web browser, or remote debugging tools.
The AWT200 supports up to 10,000 data points for centralized acquisition.
Yes, it has an 8G TF card for local storage. When network connection is lost, data is saved locally and automatically retransmitted once the network is restored (Breakpoint resumption).
It supports Modbus RTU/TCP, MQTT, TCP/IP, UDP, HTTP, and DHCP, with both IPv4 and IPv6.
Yes, it can connect to cloud platforms such as Acrel-EIoT via MQTT or other protocols, enabling remote monitoring and management.
The AWT200 requires a DC 12-24V power supply, typically provided with an adapter.
Summary
The AWT200 Smart DTU delivers powerful industrial data acquisition with its high-performance processor, extensive connectivity, and massive storage capacity. Supporting up to 10,000 data points and integrating RS485, Ethernet, 4G, WiFi, and LoRa, it adapts to diverse field requirements. The built-in 8G TF card ensures data integrity through store-and-forward during network outages. With intuitive local display, multiple configuration tools, and support for mainstream protocols like Modbus and MQTT, the AWT200 simplifies system integration and reduces maintenance costs. It is an ideal solution for energy management, industrial automation, and remote monitoring applications requiring reliable, high-capacity data communication.

