MX60's and positive ground [RE-wrenches]

Darryl Thayer daryl_solar at yahoo.com
Tue Jan 15 08:06:54 PST 2008



--- Darryl Thayer <daryl_solar at yahoo.com> wrote:
HI sorry I must have sent before I finished my
thoughts.  
It has been a long time since I used MX60 with a
positive ground, but the MX 60 does not care wwhither
it is positivve or negative ground BUT! the CAT5 cable
connection does.  SO! the MX can not be networked. 
This effects the performance very slightly and
monitoring even more, but overall you can live with
it.  The FXs tell the MX to MPPT when the FX decides
the voltage is high enough, So you must set float on
the MX above the sell on the FX.  If you are using the
MX as only a charger and not part of a grid
intertactive system, just set the MX as you would.  

It has been at least 3 years ago that I did my
p[ositive ground, and it is still working.  
Darryl   
> 
> 
> --- "Carl Emerson, Free Power Ltd."
> <freepower at freepower.co.nz> wrote:
> 
> > 
> > Hi there team,
> > 
> > We are doing a telecom system with pos earth
> -48Volt
> > DC.
> > 
> > We have 2 x MX60's on a thin film 2.2 kW array. I
> > need the diagram that
> > shows how to cable this correctly. I tried Chis D
> > and he has been too busy
> > to get back. Can someone help out here as we are
> > running out of time...
> > 
> > Thanks
> > 
> > Carl Emerson
> > Free Power Ltd.
> > Auckland N.Z.
> > 
> > 
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> 
> 
> 
>      
>
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