Re: [CAD_CAM_EDM_DRO] Re: blown Gecko - shorted output ?

I hope you haven't run your 'neutral' wire to the ground plane *instead*
of back to the wall outlet! That could make for the creation of the 'magic
blue smoke'.

RayHex

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> From: turbulatordude <davemucha@...>
>

snip>

> Obvioulsy I'm pulling my hair and grasping at straws. I figured that
> if all AC were strictly an only on the AC side of the power supply
> and only DC on the DC side, I would not be having the problem. It
> seems the ground is the only part that everything shares enough to be
> close to the DC side. the ground is electrically (throught the
> frame) connected to the stepper case. ditto to the Gecko heatsink.
>
> Also, i figure the only other wires are the opto inputs and power
> from the PC.
>
> Besides, the DC side is by nature a floating ground. and the AC
> negative is also ground, just not connected to the frame of the table.