Modbus TCP
Hoymiles DTU-PRO Datalogger
Hoymiles
Reads solar production data from Hoymiles DTU-PRO dataloggers via Modbus TCP.
Overview
This template connects to Hoymiles DTU-PRO and DTU-PRO-S dataloggers via Modbus TCP. It reads grid voltage, grid frequency, PV power, temperature, and daily production values. No write or control registers are included.
Key readings
- Grid Voltage
- Grid Frequency
- PV Power
- Temperature
- Today Production
Use cases
- Monitor real-time PV power output and grid frequency from Hoymiles microinverters on a live dashboard.
- Log daily solar production values to generate weekly or monthly energy reports for customers.



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