Maybe I spoke too soon.  I did a little more searching and found that there is 
an issue with MDI commands that they are executed with half of the acceleration 
of the settings.  Is this intentional for some reason, or is it a bug?

I confirmed with this machine that yes, regular G-code programs and jogging 
moves use the correct acceleration limits, but MDI commands only use half.  Why 
is that?  2.7 didn't have this behavior.

It kind of makes testing machine settings a pain in the...

Todd Zuercher
P. Graham Dunn Inc.
630 Henry Street
Dalton, Ohio 44618
Phone:  (330)828-2105ext. 2031

-----Original Message-----
From: Jon Elson <el...@pico-systems.com>
Sent: Wednesday, May 15, 2024 7:20 PM
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] Acceleration Settings?

[EXTERNAL EMAIL] Be sure links are safe.

On 5/15/24 12:23, Todd Zuercher via Emc-users wrote:
> I'm trying to figure out something goofy that seems to be going on with my 
> acceleration settings.
> I'm running Linuxcnc 2.9.0 and Axis ui.
> I have all of the max_acceleration settings set for 20.0 (and 
> stepgen_maxaccel = 25), and for some reason everything only  moves with an 
> acceleration of 10 ipsps for G0 and G1 moves (confirmed with Halscope), but 
> jogging does go at 20.  Is there normal behavior or am I missing some setting 
> somewhere that is limiting the acceleration?
>
In the latest LinuxCNC there are TWO places that have accel and max velocity 
settings.  Jogging is in the JOINT_x part, and CNC moves are in the AXIS_x 
section.  In general, you want the same settings in both JOINT and AXIS 
sections.

Jon



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