Re: Gecko 210s l- limited rapids

I took apart the drives and found that term 10 was actually
connected to the 5vdc as it should be. The multiplex board jumper
is set to common +5vdc. Is that correct?

Is there a jumper for Nema 42 motors, I could not find it.


Thanks

Keith

--- In CAD_CAM_EDM_DRO@yahoogroups.com, Jon Elson <elson@p...> wrote:
> skykotech wrote:
>
> >>It looks like there is a #10 terminal that is supposed to be
> >>connected to the common 5vdc power supply but it is not
connected.
> >>I wonder if that could be part of the problem?
> >>
> >>
> >
> >Uhm, yeah, you should be connecting terminal #10 to the common
> >(ground) of the system generating your pulses. I assume you are
> >using a parallel port, in which case I think the ground pins are
18-
> >25 (double check me on that). I am quite surprised you are
getting
> >controlled movement at all with terminal #10 disconnected...that
is
> >the cathode of the leds in the opto-isolators in the gecko
drive.
> >Actually, I wonder if there is an error in the Gecko manual...it
says
> >to connect terminal 10 to either supply or ground...but a drawing
> >later on shows terminal 10 connected to the cathode of the leds,
> >meaning it should be ground only. Perhaps Marris uses
bidirectional
> >opto leds and just doesn't show it in the doc???
> >
> >
> The Gecko 201 requires this terminal to be connected to +5 V. The
Gecko 210
> has an option jumper on the step multiplier board that allows you
to select
> either common ground OR common + for this terminal. With the 210
model,
> you can select either polarity, but it will not take both
polarities without
> changing the jumper.
>
> Jon