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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