In the context of the new power system and digital construction of distribution networks, the Power DTU (Data Transfer Unit) is evolving from a traditional data forwarding device to an intelligent terminal equipped with edge computing, protocol conversion, remote operation and maintenance, and security protection capabilities.
For applications such as distribution automation, photovoltaic and energy storage integration, and unattended substations, Power DTU must meet the following key requirements:
The SoM340 System on Module, based on the ARM Cortex-A53 architecture, is an industrial-grade core module solution specifically designed for the next generation of Power DTU applications.
The SoM340 is an industrial-grade ARM core module based on the Allwinner T507-H processor, featuring a quad-core Cortex-A53 (64-bit) architecture with a maximum clock speed of 1.4GHz, achieving an excellent balance between performance, power consumption, and stability.
Key Advantages:
In a typical Power DTU system architecture, the SoM340 serves as the core control and computing unit, primarily responsible for:
The SoM340 can function as a standalone primary control DTU or collaborate with MCUs and IO boards to build a layered power terminal architecture.
Power DTU typically needs to connect to various devices and communication networks simultaneously, and the SoM340 offers significant advantages in interfaces.
Multi-Serial Ports and Industrial Communication:
Ethernet Interfaces:
Extension and Acquisition Interfaces:
Wireless Communication Extension:
Via carrier board design, flexible support for 4G/5G/LTE Cat-1, Wi-Fi/Bluetooth, or dedicated power private network wireless modules.
The SoM340 features a comprehensive Linux software ecosystem, enabling rapid adaptation to mainstream power industry protocols and platforms.
Operating System Support:
Typical Power DTU Software Functions:
Power DTUs are often deployed in unattended environments such as distribution rooms, ring main units, box transformers, and substations, with extremely high reliability requirements.
The SoM340 adopts an industrial-grade design:
While ensuring performance, it effectively reduces heat generation and energy consumption, enhancing overall system reliability.
As power systems advance toward digitization, intelligence, and edge computing, the requirements for core hardware platforms in Power DTUs continue to rise.
The SoM340 System on Module, based on the ARM Cortex-A53 architecture, provides a cost-effective, long-term supply core solution for the new generation of intelligent Power DTUs, thanks to its stable industrial-grade design, rich interface resources, mature software ecosystem, and strong domestic attributes.
