Re: [CAD_CAM_EDM_DRO] Re: GECKOS 201

In a message dated 11/27/2002 3:24:35 PM Central Standard Time,
davemucha@... writes:

> My question would be if the recommended 470uF cap on the power
> connection at the Gecko's is now REQUIRED ? if you are going less
> than the book values?

Dave: This 470 uF cap. (per drive) is necessary ONLY if your DC wires to the
"main filter cap" (the 10,000 to 40,000 cap you are talking about) are longer
than, say, six inches, and are skinnier than they should be (smaller than,
say, #18). But they are a GOOD idea, ANYway, and will probably prevent some
"impossible to find" problems! These 470 uF caps should NOT be thought of
as "DC Filter-caps" but "traps" for hard-to-qualify nasties. Though they DO
also provide SOME 60 Hz. ripple-filtering, but not much.

READ the "white papers" that come with the G201/210! All that is adequately
explained in those pages.

Jan Rowland


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