>From memory:
This bug was reported in 2009 sometime
( look in mail list under :hostmot2 stepping folowing error oddity)
and again two more times.
The first time removing the base thread seemed to work - thats when I
removed base thread from PNCconf.
Later it was a problem again I reported it and never did get a good fix.
The last time Peter suggested setting max vel and max accel
up to that point I set them to 0 as per recommendations.
I tried that and has not been a problem since.
others have reported similar problems (on forum)
I use a 5i20.
The sample hostmot2 stepper config would have the problem.
I'm imagine whatever the bug is was actually the problem right from the
beginning
even if step timing and base thread would affect it.
Chris M
To: chrisinnana...@hotmail.com; emc-developers@lists.sourceforge.net
From: s...@highlab.com
Subject: Re: [Emc-developers] FW: [Emc-users] bug(s) in 2.4.6 using Gantrykins?
Date: Tue, 27 Sep 2011 21:29:22 -0600
This bug is new to me! Do you have a config that demonstrates this behavior?
----- Reply message -----
From: "Chris Morley" <chrisinnana...@hotmail.com>
Date: Tue, Sep 27, 2011 19:43
Subject: [Emc-developers] FW: [Emc-users] bug(s) in 2.4.6 using Gantrykins?
To: "EMC DEV" <emc-developers@lists.sourceforge.net>
Sorry I sent this to Seb instead of the list:
From: chrisinnana...@hotmail.com
To: s...@highlab.com
Subject: RE: [Emc-users] bug(s) in 2.4.6 using Gantrykins?
Date: Wed, 28 Sep 2011 01:29:59 +0000
>
> Try some tweaks to the hm2 stepgen params:
>
> Try setting .maxaccel to 0, this means "accelerate as hard as the
> trajectory planner asks you to".
>
> Try setting .maxvel to 0, this means "go as fast as the timing params
> let you".
>
>
> --
> Sebastian Kuzminsky
Actually I wouldn't advise this. In pncconf I abandoned that as it
caused following errors particularly in one direction.
Peter advised setting limits for max vel and max accel and the problem
went away.
Chris M
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