Re: [RE-wrenches] Maximum Devices on Combox

[Jason Szumlanski]

I'm trying to decipher why an existing system installed by others has three
Comboxes. There are 4 XW+, 9 MPPT80, and an AGS. That sounds like 18 Xanbus
devices, so I can't figure out why they used two slaves (one for XWs and
AGS and the other for MPPT) and a third combox as master. The master has
never aggregated data properly.

I'm thinking of scrapping everything and just using a single Conext Gateway.




On Fri, Nov 1, 2019 at 11:19 AM Dave Angelini Offgrid Solar <
offgridso...@sti.net> wrote:

> Hi Jason,
>
> The limitations are basic canbus limits. xanbus is very similar. In very
> large clusters, in an XW system comboxes are master slaved to get more
> devices. Xanbus devices are also not just one type. In other words an XW+
> is 2 devices and a mppt is one device. Also the overall length of the
> wiring is critical as in canbus. Building a large system?  Time to read the
> tech notes on the Schneider website. What are you trying to design please?
>
> *Dave Angelini Offgrid Solar
> "we go where powerlines don't"
> http://members.sti.net/offgridsolar/ 
> e-mail  offgridso...@sti.net 
> text 209 813 0060*
>
> On Fri, 1 Nov 2019 07:26:59 -0400, Jason Szumlanski <
> ja...@floridasolardesigngroup.com> wrote:
>
> The Conext Combox manual states:
>
> Max. number of Xanbus
> devices: Up to 20 (depending on the device type)
>
> Does anyone know what "(depending on the device type)" means? What are the
> actual limitations?
>
>
>
> Jason Szumlanski
>
> --
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Re: [RE-wrenches] Maximum Devices on Combox

[Dave Angelini Offgrid Solar]

Hi Jason, 

The limitations are basic canbus limits. xanbus is very
similar. In very large clusters, in an XW system comboxes are master slaved
to get more devices. Xanbus devices are also not just one type. In other
words an XW+ is 2 devices and a mppt is one device. Also the overall length
of the wiring is critical as in canbus. Building a large system? Time to
read the tech notes on the Schneider website. What are you trying to design
please? 
Dave Angelini Offgrid Solar
"we go where powerlines
don't"
http://members.sti.net/offgridsolar/ [1]
e-mail offgridso...@sti.net
[2]
text 209 813 0060

On Fri, 1 Nov 2019 07:26:59 -0400, Jason Szumlanski 
wrote:  The Conext Combox manual states:   Max. number of Xanbus
devices: Up to 20 (depending on the device type)   Does anyone know what
"(depending on the device type)" means? What are the actual limitations?   
  Jason Szumlanski  -- 

 

Links:
--
[1]
http://members.sti.net/offgridsolar/
[2] mailto:offgridso...@sti.net
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[RE-wrenches] Maximum Devices on Combox

[Jason Szumlanski]

The Conext Combox manual states:

Max. number of Xanbus
devices: Up to 20 (depending on the device type)

Does anyone know what "(depending on the device type)" means? What are the
actual limitations?



Jason Szumlanski
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