On Sat, Oct 16, 2010 at 1:05 AM, Jon Elson <el...@pico-systems.com> wrote:
> Don Stanley wrote:
> > Hi All;
> > I have been busy setting up the USC for a servo system and just
> > realized I had no clue how to use the USC for the non servo stepper
> > system.
> >
> The sample config file set for "univstep" is what you want. It should
> be on your
> system in the sample directory, ...../configs/univstep
>
> This is identical to a step-servo system, except that there is no mass
> to deal
> with, and step pulses out = encoder counts in. You set DIP switch
> positions
> 1-4 OFF, as the board was shipped. That tells the board to count step
> pulses
> and ignore the encoder inputs.
>
> Most USC users use it this way. In fact, if you have a step-servo system,
> you can switch to open-loop step pulse generation just by flipping the
> DIP switches. You may then have to change the INPUT_SCALE and
> PID settings. Same with a stepper system with encoders, you can "turn
> off" the encoder feedback by flipping the DIP switches.
>
> Jon
>
Thanks Jon;
After I recovered from 'brain dead' and a couple more neurons started
working I realized that was probably the case.
Are there fixed setting for PIDs, in the non servo mode; or
does it also require tuning?
Don
>
>
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