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Huawei SUN2000-6KTL-M1 Inverter: Modbus TCP & RS485-LAN Converter Compatibility

cegreg 29349 66
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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
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  • #61 21074769
    szczukot
    Level 14  
    Hi all
    I am also starting the modbus adventure in SUN2000.
    Generally I want to upload this to Domoticz.

    I have updated the dongle and inverter to the latest software versions. Some first-party python from github I see connects and downloads something for me.
    But in order to play with it thoroughly, I would like to use some tool for modbus.
    I try
    - powerhud modbus tester
    - qmodmaster
    and I can't connect to any of them.
    Have you used something else perhaps ? Or do you know something worth looking into?

    ps. here I found another of the 10
    https://wagodirect.pl/10-narzedzi-przydatnych-dla-automatykow/
    and I can't connect to any of them. I do not feel.
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  • #62 21282746
    pinelesss
    Level 11  
    >>20627925 Hello mate. I have this question:
    When I do the inverter password reset procedure as given on the Huawei support pages (the one with AC/DC on and off), will I lose any inverter configuration, or will I only be able to change the password for the installer settings?
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  • #63 21283301
    cedrom
    Level 19  
    You only reset the installer and user passwords. the configuration remains
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  • #64 21286723
    pinelesss
    Level 11  
    >>21283301 Many thanks to my colleague cedrom. Reset done, I accessed the Installer, changed the MODBUS settings and Home Assistant reads the data without any problem
  • #65 21391501
    kwlp
    Level 11  
    And to me it does not read :( What am I doing wrong. Currently Dongle V100R001C00SPC116, I have the installer access and I don't know if I changed the alu correctly here:

    Screenshot showing Dongle key parameter settings on a phone..
    Modbus TCP app screen showing buttons Połączenie and Włącz (nieograniczone)..

    and now I add in the HA integration, enter the IP Dongle, port 502 or 6607, ID:1
    and unfortunately it does not connect. What am I doing wrong ?
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  • #66 21391737
    pinelesss
    Level 11  
    mate, not in Dong's settings, but in the inverter settings you need to enter. Network SUN.... >>21391501 >>21391501
  • #67 21417847
    kwlp
    Level 11  
    It worked, however, I had to update the dongle.
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Topic summary

The discussion revolves around the compatibility of the Huawei SUN2000-6KTL-M1 inverter with Modbus TCP and RS485-LAN converters. Users report issues with establishing Modbus TCP communication, particularly when using the Smart Dongle. Key solutions include ensuring the Smart Dongle firmware is updated (versions 120 or higher), configuring the correct slave address, and verifying network settings. Users have successfully connected via LAN but faced challenges with WiFi connections. The importance of enabling Modbus TCP in the inverter settings and the need for proper IP configurations are emphasized. Some users also share experiences with different firmware versions affecting communication stability and suggest using specific Python libraries for data retrieval.
Summary generated by the language model.
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