Hoymiles DTU-Pro-S WLAN data transmission unit for HMT / HMS

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  • Normal price €296,30
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This data transmission unit is to be used exclusively in combination with the Hoymiles HMS-XXX or HMT-XXX inverters.
We only set up the required user account for systems purchased from us.

The Hoymiles gateway DTU-Pro is a data transmission unit that collects information and data from PV micro-inverters via a 2.4 GHz wireless solution and sends them to the S-Miles Cloud, the Hoymiles monitoring platform, via various communication options such as Ethernet or WiFi.


Stable communication with HMS and HMT series microinverters
RS485 support, Ehternet port for communication with peripherals
Module level monitoring and data storage
Local configuration with S-Miles Toolkit
Support remote O&M, including remote upgrade and parameter setting
Intelligent zero export control and power export limit
PV generation and load consumption monitoring
How it works

The data transmission unit DTU-Pro has a monitoring capacity for up to 99 solar modules. As a result, the system is also suitable for more complex PV systems. The data and alarms can be read easily and quickly by the users at the module level. Remote operation and remote maintenance of the PV system can be carried out conveniently at any time and from any location via the Hoymiles S-Miles Cloud.

Technical data

Cloud communication signal: WLAN / Ethernet
Sampling rate: Every 15 minutes
Inverter communication signal: Sub-1G
Max. Distance (outdoor area): 400m
Limitation of monitoring data: up to 99 solar modules (depending on the installation environment)
4-LED displays
Power supply unit input voltage/frequency: 100 V/AC - 240 V/AC / 50 or 60 Hz
Power supply output voltage/current: 5V / 2A
Power consumption: 1.5W (typical), 3W (max.)
Ambient temperature range: -20°C - +55°C
Dimensions: 200 x 101 x 29 mm (without antennas)
Weight: 0.20 kg
Mounting options: wall / table mounting
Protection class: indoor IP20
Scope of delivery:

1x Hoymiles DTU-Pro-S data transmission unit