[RE-wrenches] Radian design limitation - am I missing something?

boB boB at midnitesolar.com
Mon Dec 17 13:59:43 PST 2012


On 12/17/2012 1:20 PM, boB wrote:
> On 12/17/2012 12:45 PM, Brian Teitelbaum wrote:
>>
>> MidNite Solar is working on a unit that they are calling the 
>> "Translator" that will allow the Classic controllers to communicate 
>> with other brands of system controllers like the MATE or the XW 
>> System Control Panel. I don't know how far along in the development 
>> process they are, but maybe boB can chime in to let us know.
>>
>
>
> The general purpose "Interpreter" has been preempted by a couple of 
> other communications methodologies that
> should be much quicker to design.  One is for the SMA products because 
> we are working with SMA on that one.
>
>  As far as for OB interoperability, we are trying to see if we can use 
> their new AXS interface to talk back and forth.
> That might just work and ~shouldn't~ take too much time to get going.

Actually now I'm not sure that is going to work because evidently the 
AXS and Mate cannot both be used
at the same time.  Too bad the Mate 3 doesn't speak modbus.

We will see if this is possible to do though.

boB

>
> boB
>
>
>
>> Otherwise I agree with Ray that using a MidNite Classic 200 will 
>> allow you to use 4 modules in series. The max output amps on the 200 
>> at 48VDC is 76A, so that limits you to about 4kW (76A x 52VDC = 
>> 3952A), but that will work fine with 16 of the 240W modules. You can 
>> of course exceed this, but you may see some clipping on clear cold 
>> days around noon.
>>
>> Brian Teitelbaum
>>
>> AEE Solar
>>
>> *From:*re-wrenches-bounces at lists.re-wrenches.org 
>> [mailto:re-wrenches-bounces at lists.re-wrenches.org] *On Behalf Of *Ray 
>> Walters
>> *Sent:* Monday, December 17, 2012 12:31 PM
>> *To:* RE-wrenches
>> *Subject:* Re: [RE-wrenches] Radian design limitation - am I missing 
>> something?
>>
>> I second WIlliam's sentiment about having all equipment communicate 
>> together, but Outback just ain't there.  I know Midnite's stuff will 
>> communicate with the universal MODBUS language, and is not that silly 
>> proprietary stuff that Outback does.  I don't see any reason not to 
>> use Midnite Classic lites and go to 4 modules in series.  The 
>> customer will also appreciate the computer interface on MyMidnite, 
>> much more than suffering through the "MATE" screen.  Let the Outbacks 
>> sell independently, and I think for 2012, that's as good as it gets.
>> The idea of AC coupling as  others noted is also a decent option,  
>> but when I last looked, it is much more expensive.
>> Charge controllers are much cheaper per watt than inverters for a 48 
>> vdc battery.
>>
>> Ray Walters
>>
>>
>> On 12/17/2012 12:15 PM, William Miller wrote:
>>
>>
>>
>>     Sure we'd all like to be able to purchase one system that does
>>     everything:  equipment that communicates between chassis and the
>>     outside world
>>
>>
>>
>
>
>
> _______________________________________________
> List sponsored by Home Power magazine
>
> List Address: RE-wrenches at lists.re-wrenches.org
>
> Options & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>
> List rules & etiquette:
> www.re-wrenches.org/etiquette.htm
>
> Check out participant bios:
> 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/20121217/e0416cb6/attachment-0004.html>


More information about the RE-wrenches mailing list