Sockets for signal input conditioner modules. Then you can always say yes. Sent from my iPhone
> On Nov 27, 2018, at 10:28 PM, Forrest Christian (List Account) > <[email protected]> wrote: > > Let me see if I can re-phrase my question: > > I'm redesigning a voltage input circuit for one of the sitemonitor products - > this is for voltage metering, not for powering the device. One of the > common questions I get asked is 'can I monitor my solar array voltage'. > Currently the answer is usually 'probably not, unless you are certain the Voc > is below 60V, and that one side of the array is already grounded to common > (often isn't for mppt controllers)'. I'd rather be able to say something > like 'sure, as long as the Voc isn't over X volts', where X is high enough > that it contains a reasonable subset of the arrays out there. I don't think > supporting 150V arrays is in the cards (and yes, I know the tristar MMPT goes > up to 150V), since that starts getting in the range where clearances get hard > to do on the circuit board. > > So I guess the question should be: What voltage would be able to measure > most of the array voltages out there? > >> On Tue, Nov 27, 2018 at 7:07 PM Robert <[email protected]> wrote: >> Morningstar makes one of the better charge controllers and the one that >> I like has ethernet access built in. It takes up to 150 V from the >> arrays. They also have their new Mega Controller that will do up to >> 600 Volts I don't know of any WISPs that are using it. We have sites >> that we have 2x Morningstars feeding our battery sets... >> >> Robert >> >> On 11/27/18 5:07 PM, Forrest Christian (List Account) wrote: >> > Looking at determining the maximum reasonable voltage range for a new >> > product I'm working on. >> > >> > I'm wanting to include a reasonable input for measuring solar panel >> > voltage (a common request). For those who are running solar arrays to >> > charge a DC site (not grid-connected), I'm wondering what type of array >> > voltages you're running. I'd prefer the Voc figure since that is worst >> > case, but even the nameplate voltage (i.e. multiples of 12V) would be >> > useful since I can kinda infer the Voc from that. >> > >> > I suspect some of you are running rather high voltages (>100Voc) on your >> > arrays, not sure If I'm going to be able to measure that high, but would >> > like to get a feel for what the reality is. >> > >> > -- >> > *Forrest Christian* /CEO//, PacketFlux Technologies, Inc./ >> > Tel: 406-449-3345 | Address: 3577 Countryside Road, Helena, MT 59602 >> > [email protected] <mailto:[email protected]> | >> > http://www.packetflux.com <http://www.packetflux.com/> >> > <http://www.linkedin.com/in/fwchristian> >> > <http://facebook.com/packetflux> <http://twitter.com/@packetflux> >> > >> > >> > >> > >> >> -- >> AF mailing list >> [email protected] >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > -- > Forrest Christian CEO, PacketFlux Technologies, Inc. > Tel: 406-449-3345 | Address: 3577 Countryside Road, Helena, MT 59602 > [email protected] | http://www.packetflux.com > > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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