Re: problem with gecko 201 dirve and cncpro

Hi,

Capacitors occasionally have a mid-life crisis where they make a
career change from being a capacitor to becoming an open circuit. Go
figure.

Mariss

--- In CAD_CAM_EDM_DRO@y..., "scott_in_tucson2002"
<scott_in_tucson2002@y...> wrote:

> Hello,
>
> I wanted to thank Mariss and others for your suggestions in
> diagnosing this problem. I ended up getting my oscilloscope out and
> checked the pulses to the controllers.
>
> In my setup, I use a regulated 5V power supply (that I built

myself)

> to power the optocouplers and some other electronics. Checking the
> output of the power supply showed it was operating at a 75% duty
> cycle (hence the "missing" steps). It all came down to a bad filter
> capacitor in the power supply. The capacitor wasn't storing enough
> charge and the voltage regulator was dropping out 25% of the time.
> Anyhow, to make a long story short, I replaced the filter capacitor
> and all works perfectly now.
>
> Scott