On 3/28/25 15:18, gene heskett wrote:
On 3/28/25 10:43, Sam Sokolik wrote:
It is still in the docs..
https://linuxcnc.org/docs/stable/html/drivers/servo-to-go.html
On Fri, Mar 28, 2025 at 9:25 AM Dave Engvall
<dengv...@charter.net> wrote:
Is there any support for the stg card do I own an orphan?
it does look like it is, the link to the stg site now hits
what looks like an Indonesian casino site with what we in
broadcasting would call T&A when the weather girl was
talking about the forecast., on the front page .
Well, I used one from 1998 - 2005 or so. It had a glitch -
when the counter rolled over from 0 to -1 count or back the
other way, it would report wildly crazy positions. You
would usually see this right after homing, when the encoders
were dithering right on the zero transition. A fix was put
in the driver to suppress huge changes in encoder count over
one servo period. I never figured out whether the issue was
poor power decoupling on the board or a defect in the LS7266
chips. Or possibly, either the card logic or LinuxCNC
driver did not bother to clock the live count into a holding
register before reading out the individual bytes. I never
wanted to dig deeper into the bug.
Jon
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