On 12/25/2015 04:59 AM, John Thornton wrote: > Dave, the AD filter came in yesterday and I'm fitting it to the machine > now. I had to relocate the VFD to the side of the cabinet due to the > additional height. I also ordered a smaller filter for the DC power > supply. I wonder if I should put that filter at the beginning of the AC > circuit or just ahead of the bridge rectifier? I'm still thinking of > changing to a 4 wire system and pull the 120 off of one leg of the 240 > so I have a single power source for the whole machine. > > JT > On my CHNC I have a 500VA control transformer to drop 240V to 120V for the computer and the monitor. That way I do not have to worry if I have pick the wild phase or not.
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