Hoymiles DTU

• Type: DTU
• Software Ver.V00.02.07
• Hardware Ver.H09.01.02
• Serial: 10F8xxxxxxxx (DTU-Pro)

After connecting to its WiFi AP http://10.10.100.254 it shows:

Web: V2.4.3 Firmware Version: V1.0.1

Module Mid: USR-C210 Module Ver: 1.0.1

• Hoymiles Modbus:
  • RTU on RS485 - by default used as export management control
  • TCP *:502 (probably only on Ethernet)
• Sunspec Modbus (Country requirements)
  • RS485
• WiFI AP witsh SSID: “DTUP-xxxxxxxx”
  • 10.10.100.254
  • web interface

• Hoymiles DTU-PRO RS485 Sunspec Modbus
• hoymiles_modbus
• Technical Note Modbus implementation using 3Gen DTU-Pro

Home Assistant

https://github.com/ArekKubacki/Hoymiles-Plant-DTU-Pro|Hoymiles Plant DTU-Pro Sensor

Read 100 registers from reg 4256

mbpoll 192.168.177.154 -r 4256 -c 100