Thankyou - This works well with two SG5.0RS inverters

[bleughb]

I used the 'two inverter' method and installed two modbus_sungrow.yaml files as found in the discussions around here.
had some issues with the Winet-S modules dropping offline - presumably due to too fast polling times,
dropped the polling down to 60s and cut out everything not relevant to my inverter (battery, phases, etc) and...it's been quite stable today!

Here, i'm tracking my 4 available strings of split face panels (installed back in March)
I have 32 panels in 4 strings of 8 and two inverters to make a 13.2kWp system
16 on a south roof (in Australia, that's not great)
16 on a North roof - but shaded in winter months

What i've discovered.....(well, what I knew already, but now can quantify)
my North roof is fully shaded up until around 10ish AM and then again about 4ish PM so I can only generate reasonable power then

what this means....(ignore the two spikes caused by me re-configuring)

Non-optimal positioned panels still produce useable power! -
The above graph shows my kWh solar production - Bright orange is my shaded north panels...dark orange is my south non-shaded panels!.
I'm producing barely 15kWh only a few weeks off winter solstace...
compare that to back in March when I produced nearly 80kWh

can't wait to see what I can make during the summer solstace!

[OsirisS13]

@bleughb I would be interested in seeing your modbus_sungrow.yaml file. I have SG10RS and am also going through and cutting out all non relevant stuff. I've also found quite a number of registers are different from any of the example ones, if you have done any replacments that would be useful to work off too

[Wolkenstuermer]

Did you have the time to share this? I have config for SH10 and SG6 into one big file, however during the last update my SunGrow Modbus COnfig stopped working. I will spend some time on this during the next week, so we could make yaml-modules for each type SG and SH

[nickw444]

@bleughb I'm wondering if you would be able to share your configuration YAML file for one inverter - I am having trouble getting my SG5.0RS integrated.

[axelfair89]

Hey @nickw444 thanks so much! Your code honestly saved the day for me, I was able to implement it and get it working pretty much right away after struggling for weeks. I see the fine tuning in the production version too. Thanks again. Hopefully it might help others with the same problems I was having. I was trying to build an add on that communicated with the API but this is a far better (local) solution.

[axelfair89]

Also, it seems even with the file name change modbus is broken (for me anyway) in 2025.X.X

[mkaiser]

I haven't updated to the latest version yet, but will loop back if anything breaks. In case it helps, my actual "production" version of the config can be found in my config repo - https://github.com/nickw444/home/blob/master/home-assistant/martin-pl/integrations/entities/modbus_sungrow_sg5.yaml

would you consider making a PR to get your adaptions for the SG series available in the main repo?

[nickw444]

Also, it seems even with the file name change modbus is broken (for me anyway) in 2025.X.X

Interesting, I haven't done the upgrade yet (still on 2024.12) and won't have time to do it for a few weeks still but once I do I'll push back those changes.

[nickw444]

would you consider making a PR to get your adaptions for the SG series available in the main repo?

I think my preference would instead be to add the support for the inverters as a 1st class Home Assistant integration (with config flow), rather than as a modbus config.

[spmatich]

I have a sungrow sh10rt-v112 working via modus and I’ve got to say it works a treat, thankyou

[MarkusSch]

Good evening,
first of all thanks for all the great work, everybody has been spended on those projects. It helps others a lot.
Currently me and friend have same issue and question about integrating a second sungrow inverter.
The situation is that both inverters have two RJ45 plugs. One is the Winet stick, the other one is for Modbus-communication. So far so gut. First problem is, I just see three Ip adresses, two for the first inverter and one for the second converter. I have no idea, why.

I copied the yaml-file for the second inverter and I added a little bit code in the secrets.yaml which point on the second converter. HA added the Modbus-entries, but they are empty. I would say "of course", because I am missing the IP-adress of the modbus-plug of the second inverter.
Can anybody confirm that I did it mainly in the right way and does anybody has an idea, what I am doing wrong?

It would be great to get an answer.
Kind regards
Markus

[nickw444]

See above on the SG5.0RS the second RJ45 doesn't expose an ethernet/IP interface. Instead you can either use WiFi or Ethernet (or both) on the winet interface - all the necessary modbus registers (including that of the meter CT clamp is accessible).