I am thinking more and more that since the OEMS can’t get the communication shit together, it looks like a 3rd party like SA is needed and it’s here. so far I haven’t needed it but I bet I will
thanks everyone jay > On May 18, 2025, at 7:13 AM, William Bryce via RE-wrenches > <[email protected]> wrote: > > SA will combine the SOC if the Communication is working properly with the BMS > and the MNS AIO. See attached > > On Sun, May 18, 2025 at 8:28 AM Jason Szumlanski via RE-wrenches > <[email protected] > <mailto:[email protected]>> wrote: >> I will also mention that SA seems to be pulling the SOC information from >> only the first inverter added to the system, or the one designated as "#1" >> in SA. It is not averaging the SOC pulled from all three inverters. >> >> Another note: I tried the Emulated BMS in SA, and it didn't work. The >> battery graphs were all wrong, only showing that absolute value for current >> rather than showing charge and discharge current. The reported SOC stayed >> pegged at 100%. I went back to using the inverter values, and that is when I >> discovered the SOC was not dropping fast enough in SA, which led me to the >> battery aH issue. >> >> >> Jason Szumlanski >> Principal Solar Designer | Florida Solar Design Group >> NABCEP Certified Solar Professional (PVIP) >> Florida State Certified Solar Contractor CVC56956 >> Florida Certified Electrical Contractor EC13013208 >> >> On Sun, May 18, 2025, 8:11 AM Jason Szumlanski >> <[email protected] >> <mailto:[email protected]>> wrote: >>> That's not a bad idea. But it is one more thing to potentially go wrong and >>> have to maintain. >>> >>> >>> I just discovered something else with a parallel AIO and SA setup. Really >>> it's more of an inverter issue. The inverters have wildly inaccurate SOC >>> values if you are doing open loop. You have to divide the battery aH >>> setting by the number of inverters you have for accurate numbers, at least >>> on the firmware I have. I noticed on this triple setup that when the >>> batteries were depleted about 80% (20% SOC), that the inverters reported a >>> SOC of 73%. Each inverter only sees the aH that they consume individually >>> and deduct that from 100%. >>> >>> If you are using the inverter values for SOC in SA, you need to set the aH >>> in the inverters to the proportional share of the battery capacity. >>> >>> This is something I believe Midnite needs to fix unless it has already been >>> addressed in a firmware upgrade. >>> >>> >>> Jason Szumlanski >>> Principal Solar Designer | Florida Solar Design Group >>> NABCEP Certified Solar Professional (PVIP) >>> Florida State Certified Solar Contractor CVC56956 >>> Florida Certified Electrical Contractor EC13013208 >>> >>> On Fri, May 16, 2025, 9:53 AM Jay via RE-wrenches >>> <[email protected] >>> <mailto:[email protected]>> wrote: >>>> Hi Jason >>>> >>>> How about you install a 12v battery charged from the inverter to power the >>>> device which would give you back up on backup. >>>> >>>> >>>> >>>> >>>>> On May 16, 2025, at 12:58 AM, Jason Szumlanski via RE-wrenches >>>>> <[email protected] >>>>> <mailto:[email protected]>> wrote: >>>>> >>>>> >>>>> But the upside is it doesn't rely on the cloud, so historical data is >>>>> stored locally, even in the event of a system shutdown (if you power the >>>>> Pi device from the battery DC bus). That doesn't do much good if the >>>>> battery BMS turns off, of course, but it's nice to continue logging data >>>>> even if there is no Internet connection. >>>>> >>>>> >>>>> Jason Szumlanski >>>>> Principal Solar Designer | Florida Solar Design Group >>>>> NABCEP Certified Solar Professional (PVIP) >>>>> Florida State Certified Solar Contractor CVC56956 >>>>> Florida Certified Electrical Contractor EC13013208 >>>>> >>>>> On Fri, May 16, 2025, 12:48 AM Brett Stigile via RE-wrenches >>>>> <[email protected] >>>>> <mailto:[email protected]>> wrote: >>>>>> Overall I like Solar Assistant as well. Be aware it is not cloud based. >>>>>> Sure it stores locally on the Pi, that’s great. But, if the internet >>>>>> is down you are blind. Not supper helpful for remote sites if you can’t >>>>>> look through the data a see if there was a potential issue or if the >>>>>> internet is just down. >>>>>> >>>>>> >>>>>> Brett Stigile >>>>>> Owner/Renewable Energy Electrician >>>>>> 503-317-7950 >>>>>> [email protected] <mailto:[email protected]> >>>>>> >>>>>> Oregon Sun Wrangler LLC >>>>>> CCB: 240661 >>>>>> License No: 66LRT >>>>>> NABCEP PV Installation Professional Certification >>>>>> #PV 100414-008123 >>>>>> >>>>>> > On May 15, 2025, at 1:05 PM, [email protected] >>>>>> > <mailto:[email protected]> wrote: >>>>>> > >>>>>> > Send RE-wrenches mailing list submissions to >>>>>> > [email protected] >>>>>> > <mailto:[email protected]> >>>>>> > >>>>>> > To subscribe or unsubscribe via the World Wide Web, visit >>>>>> > >>>>>> > http://lists.re-wrenches.org/listinfo.cgi/re-wrenches-re-wrenches.org >>>>>> > or, via email, send a message with subject or body 'help' to >>>>>> > [email protected] >>>>>> > <mailto:[email protected]> >>>>>> > >>>>>> > You can reach the person managing the list at >>>>>> > [email protected] >>>>>> > <mailto:[email protected]> >>>>>> > >>>>>> > When replying, please edit your Subject line so it is more specific >>>>>> > than "Re: Contents of RE-wrenches digest..." >>>>>> > >>>>>> > >>>>>> > When responding to posts within the Digest, be sure to restore the >>>>>> > Subject: line to the exact original, and please edit out any >>>>>> > extraneous lines from the quoted message. >>>>>> > >>>>>> > >>>>>> > >>>>>> > Today's Topics: >>>>>> > >>>>>> > 1. Re: EG4 Praise (Maverick Brown) >>>>>> > 2. Solar Assistant and Midnite AIO (Jason Szumlanski) >>>>>> > 3. Re: Solar Assistant and Midnite AIO (William Bryce) >>>>>> > 4. Re: Solar Assistant and Midnite AIO (Kirpal Khalsa) >>>>>> > >>>>>> > >>>>>> > ---------------------------------------------------------------------- >>>>>> > >>>>>> > Message: 1 >>>>>> > Date: Thu, 15 May 2025 08:14:41 -0500 >>>>>> > From: Maverick Brown <[email protected] >>>>>> > <mailto:[email protected]>> >>>>>> > To: RE-wrenches <[email protected] >>>>>> > <mailto:[email protected]>> >>>>>> > Subject: Re: [RE-wrenches] EG4 Praise >>>>>> > Message-ID: <[email protected] >>>>>> > <mailto:[email protected]>> >>>>>> > Content-Type: text/plain; charset="us-ascii" >>>>>> > >>>>>> > An HTML attachment was scrubbed... >>>>>> > URL: >>>>>> > <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20250515/1d46c98a/attachment-0001.htm> >>>>>> > >>>>>> > ------------------------------ >>>>>> > >>>>>> > Message: 2 >>>>>> > Date: Thu, 15 May 2025 11:37:53 -0400 >>>>>> > From: Jason Szumlanski <[email protected] >>>>>> > <mailto:[email protected]>> >>>>>> > To: RE-wrenches <[email protected] >>>>>> > <mailto:[email protected]>> >>>>>> > Subject: [RE-wrenches] Solar Assistant and Midnite AIO >>>>>> > Message-ID: >>>>>> > <CAE438R-L9F0ka3QyPans-cYtQc3PDmvLK5uR6K5-Oz=wkpe...@mail.gmail.com >>>>>> > <mailto:[email protected]>> >>>>>> > Content-Type: text/plain; charset="utf-8" >>>>>> > >>>>>> > I just got Solar Assistant up and running with my triple AIO site. It >>>>>> > was >>>>>> > surprisingly easy. I think I am in data heaven. This is everything I >>>>>> > had >>>>>> > hoped for from the Midnite Pro app. It consolidates all three >>>>>> > inverters' >>>>>> > instant and historical data while providing real time individual >>>>>> > inverter >>>>>> > data as well. I'm not sure if I can get the historical data per >>>>>> > inverter, >>>>>> > but that is available through the Midnite app anyway, and has little >>>>>> > usefulness in a multi-inverter environment. >>>>>> > >>>>>> > If anyone needs tips on how to get this done, feel free to contact me >>>>>> > off >>>>>> > list. >>>>>> > >>>>>> > The short answer is I purchased a preloaded Solar Assistant Pi device >>>>>> > directly from Solar Assistant, and three USB to RS-485 dongles from >>>>>> > Amazon. >>>>>> > I got the Pi device with the DC power supply and connected it directly >>>>>> > to >>>>>> > my battery bus so it stays on even if the inverters shut down. >>>>>> > >>>>>> > Jason Szumlanski >>>>>> > Florida Solar Design Group >>>>>> > -------------- next part -------------- >>>>>> > An HTML attachment was scrubbed... >>>>>> > URL: >>>>>> > <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20250515/b8d7966f/attachment-0001.htm> >>>>>> > >>>>>> > ------------------------------ >>>>>> > >>>>>> > Message: 3 >>>>>> > Date: Thu, 15 May 2025 12:20:45 -0400 >>>>>> > From: William Bryce <[email protected] >>>>>> > <mailto:[email protected]>> >>>>>> > To: RE-wrenches <[email protected] >>>>>> > <mailto:[email protected]>> >>>>>> > Subject: Re: [RE-wrenches] Solar Assistant and Midnite AIO >>>>>> > Message-ID: >>>>>> > <caeqmjp4uqh9gcfght4mkevty71fbfofh4o7gcabuqbrj67o...@mail.gmail.com >>>>>> > <mailto:caeqmjp4uqh9gcfght4mkevty71fbfofh4o7gcabuqbrj67o...@mail.gmail.com>> >>>>>> > Content-Type: text/plain; charset="utf-8" >>>>>> > >>>>>> > I highly recommend using SA with ALL Asian inverters. This will remove >>>>>> > the >>>>>> > chance of a SolArk screen of death bricking and locking you out of your >>>>>> > inverter, and also remove any chance of data or setting manipulation >>>>>> > from >>>>>> > others. >>>>>> > >>>>>> > With SA, ALL the data is served and stored on the RPie computer >>>>>> > locally. >>>>>> > >>>>>> > On the MNS AIO, you can run the Dongle and the SA at the same time. >>>>>> > >>>>>> >> On Thu, May 15, 2025 at 11:38?AM Jason Szumlanski via RE-wrenches < >>>>>> >> [email protected] >>>>>> >> <mailto:[email protected]>> wrote: >>>>>> >> >>>>>> >> I just got Solar Assistant up and running with my triple AIO site. It >>>>>> >> was >>>>>> >> surprisingly easy. I think I am in data heaven. This is everything I >>>>>> >> had >>>>>> >> hoped for from the Midnite Pro app. It consolidates all three >>>>>> >> inverters' >>>>>> >> instant and historical data while providing real time individual >>>>>> >> inverter >>>>>> >> data as well. I'm not sure if I can get the historical data per >>>>>> >> inverter, >>>>>> >> but that is available through the Midnite app anyway, and has little >>>>>> >> usefulness in a multi-inverter environment. >>>>>> >> >>>>>> >> If anyone needs tips on how to get this done, feel free to contact me >>>>>> >> off >>>>>> >> list. >>>>>> >> >>>>>> >> The short answer is I purchased a preloaded Solar Assistant Pi device >>>>>> >> directly from Solar Assistant, and three USB to RS-485 dongles from >>>>>> >> Amazon. >>>>>> >> I got the Pi device with the DC power supply and connected it >>>>>> >> directly to >>>>>> >> my battery bus so it stays on even if the inverters shut down. >>>>>> >> >>>>>> >> Jason Szumlanski >>>>>> >> Florida Solar Design Group >>>>>> >> _______________________________________________ >>>>>> >> List sponsored by Redwood Alliance >>>>>> >> >>>>>> >> Pay optional member dues here: http://re-wrenches.org >>>>>> >> <http://re-wrenches.org/> >>>>>> >> >>>>>> >> List Address: [email protected] >>>>>> >> <mailto:[email protected]> >>>>>> >> >>>>>> >> Change listserver email address & settings: >>>>>> >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>>>>> >> >>>>>> >> There are two list archives for searching. When one doesn't work, try >>>>>> >> the >>>>>> >> other: >>>>>> >> https://www.mail-archive.com/[email protected]/ >>>>>> >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >>>>>> >> >>>>>> >> List rules & etiquette: >>>>>> >> http://www.re-wrenches.org/etiquette.htm >>>>>> >> >>>>>> >> Check out or update participant bios: >>>>>> >> http://www.members.re-wrenches.org >>>>>> >> <http://www.members.re-wrenches.org/> >>>>>> >> >>>>>> >> >>>>>> > -------------- next part -------------- >>>>>> > An HTML attachment was scrubbed... >>>>>> > URL: >>>>>> > <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20250515/610bc1b7/attachment-0001.htm> >>>>>> > >>>>>> > ------------------------------ >>>>>> > >>>>>> > Message: 4 >>>>>> > Date: Thu, 15 May 2025 09:50:38 -0700 >>>>>> > From: Kirpal Khalsa <[email protected] >>>>>> > <mailto:[email protected]>> >>>>>> > To: RE-wrenches <[email protected] >>>>>> > <mailto:[email protected]>> >>>>>> > Subject: Re: [RE-wrenches] Solar Assistant and Midnite AIO >>>>>> > Message-ID: >>>>>> > <caoe7ivggp1vxyz-82jpd1lzyw7eumdnsw-6ibs-knhjnk4t...@mail.gmail.com >>>>>> > <mailto:caoe7ivggp1vxyz-82jpd1lzyw7eumdnsw-6ibs-knhjnk4t...@mail.gmail.com>> >>>>>> > Content-Type: text/plain; charset="utf-8" >>>>>> > >>>>>> > Does the Solar Assistant work with Outback gear? >>>>>> > >>>>>> > Kirpal >>>>>> > >>>>>> > On Thu, May 15, 2025, 9:21?AM William Bryce via RE-wrenches < >>>>>> > [email protected] >>>>>> > <mailto:[email protected]>> wrote: >>>>>> > >>>>>> >> I highly recommend using SA with ALL Asian inverters. This will >>>>>> >> remove the >>>>>> >> chance of a SolArk screen of death bricking and locking you out of >>>>>> >> your >>>>>> >> inverter, and also remove any chance of data or setting manipulation >>>>>> >> from >>>>>> >> others. >>>>>> >> >>>>>> >> With SA, ALL the data is served and stored on the RPie computer >>>>>> >> locally. >>>>>> >> >>>>>> >> On the MNS AIO, you can run the Dongle and the SA at the same time. >>>>>> >> >>>>>> >> On Thu, May 15, 2025 at 11:38?AM Jason Szumlanski via RE-wrenches < >>>>>> >> [email protected] >>>>>> >> <mailto:[email protected]>> wrote: >>>>>> >> >>>>>> >>> I just got Solar Assistant up and running with my triple AIO site. >>>>>> >>> It was >>>>>> >>> surprisingly easy. I think I am in data heaven. This is everything I >>>>>> >>> had >>>>>> >>> hoped for from the Midnite Pro app. It consolidates all three >>>>>> >>> inverters' >>>>>> >>> instant and historical data while providing real time individual >>>>>> >>> inverter >>>>>> >>> data as well. I'm not sure if I can get the historical data per >>>>>> >>> inverter, >>>>>> >>> but that is available through the Midnite app anyway, and has little >>>>>> >>> usefulness in a multi-inverter environment. >>>>>> >>> >>>>>> >>> If anyone needs tips on how to get this done, feel free to contact >>>>>> >>> me off >>>>>> >>> list. >>>>>> >>> >>>>>> >>> The short answer is I purchased a preloaded Solar Assistant Pi device >>>>>> >>> directly from Solar Assistant, and three USB to RS-485 dongles from >>>>>> >>> Amazon. >>>>>> >>> I got the Pi device with the DC power supply and connected it >>>>>> >>> directly to >>>>>> >>> my battery bus so it stays on even if the inverters shut down. >>>>>> >>> >>>>>> >>> Jason Szumlanski >>>>>> >>> Florida Solar Design Group >>>>>> >>> _______________________________________________ >>>> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> <http://re-wrenches.org/> >> >> List Address: [email protected] >> <mailto:[email protected]> >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> There are two list archives for searching. When one doesn't work, try the >> other: >> https://www.mail-archive.com/[email protected]/ >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> http://www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> http://www.members.re-wrenches.org <http://www.members.re-wrenches.org/> >> > <IMG_3267.png><IMG_3266.png>_______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/[email protected]/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org >
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