Hoymiles DTU-Pro-S Gateway – Remote Monitoring for PV Systems & Microinverters

Overview

The Hoymiles DTU-Pro-S Gateway is a smart, reliable data transfer unit designed to enable real-time, module-level monitoring and remote system management for Hoymiles PV microinverters. Using a secure 2.4G wireless connection, it collects performance data from HMS and HMT microinverters and transmits it to the Hoymiles S-Miles Cloud via Ethernet, Wi-Fi, or 4G. This seamless connectivity empowers homeowners and installers to monitor solar performance, receive alerts, and perform remote diagnostics—anytime, anywhere.

Key Features

The DTU-Pro-S is built for robust performance and flexibility, offering multiple communication options and intelligent system insights.

• Sub-1G wireless communication ensures stable, long-range connectivity with Hoymiles microinverters
• Supports Ethernet, Wi-Fi, or 4G data transfer for flexible installation
• RS485 and Ethernet ports available for integration with external devices
• Reliable connection with HMS & HMT series microinverters

Monitoring

Designed for easy system oversight, the DTU-Pro-S simplifies ongoing operation and maintenance.

• Module-level monitoring and local data storage for detailed insight
• Remote O&M capabilities through S-Miles Cloud and S-Miles Toolkit
• Supports remote firmware upgrades and parameter adjustments
• Alarm and alert system for fast troubleshooting

Smart Energy Management

Beyond monitoring, the DTU-Pro-S adds smart control features for system optimization and grid compliance.

• Smart zero-export control for grid-tied systems
• Power export limiting to meet utility requirements
• Tracks PV generation and load consumption in real time