Gtk Glade requires a limit.

-------- Original message --------
From: John Thornton <j...@gnipsel.com>
Date: 2021-06-30 1:09 p.m. (GMT-08:00)
To: emc-developers@lists.sourceforge.net
Subject: Re: [Emc-developers] Pncconf Step Timing Limit

I'm not sure why there is a limit. I assume over the period would not be
good.

 From the stepper timing chart
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Stepper_Drive_Timing

it appears the TB6560 is 150,000 and is by far the worst one on that
chart, but I'm not sure that is a reasonable number. The Linistepper
Open Source    RULMS1    30000    100000    4000 4000

I would think that 30,000 is a reasonable limit for step timing and
direction.

Thanks
JT

On 6/30/2021 2:37 PM, Chris Morley wrote:
> Yes... what limit do you think is reasonable?
> Chris
>
>
> -------- Original message --------
> From: John <j...@gnipsel.com>
> Date: 2021-06-30 7:49 a.m. (GMT-08:00)
> To: emc-developers@lists.sourceforge.net
> Subject: [Emc-developers] Pncconf Step Timing Limit
>
> Hi Chris,
>
> Can you increase the step timing to > 12,000?
>
> "When I was using the parallel port, the step and hold were 12000 and
> 3500.  The software maxes this out at 10000 for the 7i92 so I used that
> instead of 12000.
>
> X axis will move, but NOT very smoothly.  Y and Z do not move at all.
>
> All 3 axis are identical, with the exception of the length of the
> leadscrew (china cnc3040 machine). Same motor, same leadscrew pitch,
> same wiring, etc.  The motor driver is a TB6560 (not great, but works
> fine for my tinkering)."
>
> After advising the chap to edit the ini file and set the step timing
> where he needed for his drives.
>
> "Ok, I finally have 3 axis working smoothly.  Editing the ini file and
> playing with the step and hold times did the trick.
>
> My apologies for being a little cranky, but I was working on it all last
> week and into the weekend and was just hitting the brick wall.  I had
> assumed that the PncConf was showing the true max limits (step/hold) of
> the card, so I didn't think there was anything else to be done."
>
> Thanks
> JT
>
>
>
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