We may want to distinguish between 4248 and the 6048, the 4248 has no capability to connect to fortress and a viable solution is to set the temp sender to77 degrees to peak charge the fortress evault max. Fun times
On Tue, Sep 19, 2023, 6:43 PM Glenn Burt via RE-wrenches < [email protected]> wrote: > In my comversations with SMA, they made it clear they do not support > closed loop comms with anyone at this time. > YMMV > > -Glenn > Sent from my 'smart'phone, so please excuse typos and spelling errors. > > ------ Original message------ > *From: *Kienan Maxfield via RE-wrenches > *Date: *Tue, Sep 19, 2023 3:17 PM > *To: *RE-wrenches; > *Cc: *Kienan Maxfield; > *Subject:*Re: [RE-wrenches] Sunny Island/Fortress E-vault > > That's actually incorrect, Fortress totally does support closed-loop with > the SMA Sunny Island inverters. Here is their integration guide. This has > all of the instructions and coms wiring, etc. - > https://learn.fortresspower.com/external/manual/sma/article/introduction-useful-links?p=dc8b9a9c1b3f410556835193e66f2257c662403dfb3da4056e618e954e8381d2 > > Thanks, > > Kienan Maxfield > Technical sales, Technical Support > > *Green-Go Solar Distribution* > *[email protected] <[email protected]>* <https://[email protected]/> > *(801) 631-5584 <(801)%20631-5584> (Cell)* > *www.distribution.solar <https://www.distribution.solar/>* > > > > ------------------------------ > *From:* RE-wrenches > on behalf of Kirk Herander via RE-wrenches > <%[email protected]>> > <%[email protected]> > *Sent:* Saturday, September 16, 2023 8:33 AM > *To:* RE-wrenches > <%[email protected]> > *Cc:* Kirk Herander > <%[email protected]> > *Subject:* Re: [RE-wrenches] Sunny Island/Fortress E-vault > > Jerry, > > Who is the maker of the Blue Planet/Outback SOC box interface you mention? > > On Sat, Sep 16, 2023 at 9:30 AM Jerry Shafer via RE-wrenches < > [email protected]> wrote: > > Mac, wrenches > SMA and fortress can only open loop and with a fixed temp sender its fine. > Now on the blue planet and open loop with outback, you need a SOC box that > they can make for you, it will interface with the blue planet and command > the genny. > Fun times > > On Sat, Sep 16, 2023, 6:04 AM Mac Lewis <[email protected]> wrote: > > Hi William, > > Are you doing open loop or closed loop communication? I'm not sure if > Fortress can do a closed loop with SMA or not. > > We struggled to get the open loop to work well with some Blue Ion > batteries, not from a charging sense but from a sense of getting the auto > gen start to trigger correctly. Basically, the SOC algorithm was always > way off. For a while we were using an external voltage trigger and we > could get the generator to start OK before BMS shutdown. We have since > added a Namaka box and are using the "Ext BMS" setting for battery type in > the Sunny Island and it has been working very well. > > I think the difficulty arises because the Sunny Island is so > State-of-Charge centric and you can't manipulate the SOC algorithm without > that Ext-BMS setting (and solid communication). One weakness of the > ext BMS setting is that it won't fall back on Voltage settings if battery > communication goes down, but this is a weakness throughout closed loop > communication for many manufacturers. > > Let us know if there is a Fortress to SMA communication solution. > > > > > > On Fri, Sep 15, 2023 at 11:11 PM Jerry Shafer via RE-wrenches < > [email protected]> wrote: > > William, Wrenches > Yes I do and it does require some basic electronics to make it work > correctly, you will need to remove the ttemp sender and make a > resistor pack to simulate the 77 degree reading otherwise it will not > charge properly, for the first one I used a breadboard to set the temp for > what I wanted to see then build a more solid state shrink wrap resistor. > Doing this will prevent undercharge by the SMA and your customer will be > happy to see the full state of charge at the batteries. > OldSchool fun times > > > > On Thu, Sep 14, 2023 at 2:12 PM William Miller via RE-wrenches < > [email protected]> wrote: > > Friends: > > > > I am commissioning an E-vault battery array to an existing SMA Sunny > Island System. Does anyone have any experience with this they could share? > > > > Thanks. > > > > William > > > > Miller Solar > > 17395 Oak Road, Atascadero, CA 93422 > > 805-438-5600 > > www.millersolar.com > > CA Lic. 773985 > > > > > _______________________________________________ > 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 > > _______________________________________________ > 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 > > > > -- > > > > Mac Lewis > > * "Yo solo sé que no sé nada." -Sócrates * > > _______________________________________________ > 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 > > _______________________________________________ > 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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