Setting up export limit? #100
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Hi Everyone, |
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Replies: 7 comments 30 replies
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Yes, that's correct. |
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Does it work with MS? I looked in developers section and haven't found any goodwe.* service to use for that. |
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Are you planning to add the DT family later for grid export limitation? Or are there plans to add a disconnect from from mains function to allow disabling when prices are negative? Or is there a physical limitation on the USB/LAN interface for the DT family? Thank you in advance |
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It is no longer exposed as service, but as a "configuration" entity accessible from the device detail (as long as the inverter supports it). |
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Hi, it was default on -1% |
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Same here, how do I set back to -1%? |
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In the inverter you have the setting, turn it off |
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Hi Robbie and Erik, where can I turn it off? I dont see the option at the inverter (in the SEMS app) |
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Only way I found is to do it on the inverter itself. After this, it was corrected in HA. I think there is no way yet to do it in the integration itself, so watch out. |
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Actually I have looked at the data and it seems the grid export limit may be modbus register at address 0x9D90. |
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2022-01-06 10:14:42 DEBUG (MainThread) [goodwe] Connecting to DT family inverter at 192.168.16.131 |
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:-( I'm running out of ideas. |
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Yes I am able to edit it via Solar go. I must give it a try with sniffing. Would be no problem if I go via router but I had impression that if I appear from routed network my admin access is denied. I'll play with it. BTW - solar go requests admin pwd for some changes, maybe this is why? |
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In PvMaster the password is checked only at the application level, the communication seems to be open, so I expect the same for SolarGo. |
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I looked at SolarGo but can't find any option related to export limit. I believe if I sniff I should sniff while modifying this option. Do you know where this option belong in SolarGo? |
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I've just release v0.9.6, the MS inverter should be able to set the grid export limit there. |
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I've just had an EH installed, and noted the export limit adjustment. However it did nothing until the installer set export limit to active using the StorageMate app. Once he had done that, the slider affected export |
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will you add a feature so I can turn off the power limit completely? |
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Actually I would like to have that option too as when the power limit is on the inverter has higher consumption and imports when there is no solar production. |
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Agree. It would be very useful to turn on/off grid export limit completely like PVMaster deas it. |
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If interested, I created a very (very) simple custom component to achieve this: https://github.com/theslavek/homeassistant_goodwe_grid_export |
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I got this export-limit functional on my GW6K-DT inverter.
Now I'm able to use the Grid export limit slider in HomeAssistant. I believe the slider represents a percentage of it's maximum power. Since this can be set via the mobile app/web-socket I would expect that this should also be possible via the HA intergration. Setup:
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@dennisvbussel @schellekensonline |
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@TomStarren I was able to change the parameter using the SolarGo app once the Soft Limit was enabled I was able to control it using the slider in HomeAssistant. I don't know what SDT or SDT G2 means, on the side of the inverter Model GW6K-DT is written and nothing related to SDT and SDT G2. |
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@dennisvbussel Is your inverter red or white from the outside? As far as my research goes, the older models are red and the newer (G2) models are white. Did you enable the Soft Limit setting on the inverter itself via the following menu? The communications module is connected this way on my inverter. I also get these errors when connecting with the SolarGo app. |
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@TomStarren My model is white. I don't think it matters enabling/disabling the power limit using the app or on-screen buttons. Once enabled it worked for me. I changed this parameter by connecting my phone to the inverter AP and enabled the Soft Limit using the SolarGo app. Perhaps this setting is in a different menu for your inverter model. Try to find it by checking all the options in the app. Try setting the output export limit to 100% and check if anything changes in HA. Edit: I assume that your HA integration is connected to the inverter and is able to read-out the solar inverter. |
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@dennisvbussel I guess my issue is the version of the inverter. You have a SDT G2 and mine is a SDT (G1), which looks like doesn't have this option. |
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Hi all I have an 8500-ms Inverter and trying use the export limit function but each time I try and adjust it I get an illegal data value error I have turned on the power limit option on the inverter itself but still get the error Is there a firmware update on the inverter that is required? Cheers |
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Yes, that's correct.
The Grid export limit can be changed from within HA, with usual disclaimer - use with caution.
It works on ET/EH inverter families, should work on ES/EM inverters and does not work on DT/D-NS family of inverters.