[sdiy] Power distribution board

[David G. Dixon]

So, given that the two ground pins are basically wired together at each MOTM
module, is each pin typically wired up to the distribution board (presumably
to provide half the resistance of the rail cables), or to most people simply
not bother?

> -----Original Message-----
> From: Laurie Biddulph [mailto:elby_designs at ozemail.com.au]
> Sent: Friday, April 03, 2009 11:32 PM
> To: David G. Dixon; synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] Power distribution board
> 
> Don't know the rational behind the MOTM connectors having 2 grounds which
> are the same but I do know that Oakley Modular systems do actually
> maintain
> these as sperate grounds with one being assigned to the panel ground and
> the
> other to the actual power ground. This only works if there are no other
> non-Oakley modules in the system (unless they also have split grounds).
> 
> It is good practise for the ground tracks to be beefier than the power
> tracks and maybe the MORM system uses this reason. Also there is some
> logic
> between considering them as 2 separate supplies, a +ve supply with ground
> and a -Ve supply with ground with the grounds commoned together at some
> point.