Qtdragon_hd Zero button not zeroing
- soehlrich
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08 Jan 2026 04:20 - 08 Jan 2026 05:12 #341153
by soehlrich
Qtdragon_hd Zero button not zeroing was created by soehlrich
Hi,I have been using linxcnc 2.4 for quite some time and though it would be a good idea to upgrade to the latest qtdragon_hd version. I did a completely fresh install using LinuxCNC 2.9.8
Debian 13 Trixie PREEMPT-RT ISO
I am running a MESA 7176E board for the interface with step and direction ( using Teknic SDSK servos) so effectively open loop. The hal file is copied from my old configuration, so I know it worked. I have added any new items that were needed
I have managed to get everything working pretty much as before and axis all home correclty and the home co-ordinates are all set to 0. If I then jog the table to a position and press Zero on any of the Axis the G54 Cordinates are not zeroed. See attached pictures.
If I set a jog interval like 0.1mm then every jog increments the DRO by the correct amount and the DTI indicates the table move correct.Using the Offsets screen, if I set the G54 offset to the X axis position at shown for the G53 X axis then the G54 will indicate 0. If i then press Zero it goes to some small number.
Does anyone have any ideas ?
I have disabled all EOffsets.Any help great appreciated.
Thanks
[attachment=73775]20260108_160616.jpg[/attachment]
[attachment=73774]20260108_160046_2026-01-07.jpg[/attachment]Attachments:
Last edit: 08 Jan 2026 05:12 by soehlrich.
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- cmorley
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08 Jan 2026 05:08 #341154
by cmorley
Replied by cmorley on topic Qtdragon_hd Zero button not zeroing
attachments didn't come though.
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08 Jan 2026 05:13 #341155
by soehlrich
Replied by soehlrich on topic Qtdragon_hd Zero button not zeroing
Hi,
I can seem to add the attachments, both less than 1M. Click add image, I can then see it, and press insert.
I can seem to add the attachments, both less than 1M. Click add image, I can then see it, and press insert.
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08 Jan 2026 05:16 #341156
by soehlrich
Replied by soehlrich on topic Qtdragon_hd Zero button not zeroing
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08 Jan 2026 05:16 #341157
by cmorley
Replied by cmorley on topic Qtdragon_hd Zero button not zeroing
Rhe formatting of the message is screwing it up.
Just make a short new message with the images
Just make a short new message with the images
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08 Jan 2026 05:32 #341158
by soehlrich
Replied by soehlrich on topic Qtdragon_hd Zero button not zeroing
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08 Jan 2026 05:50 #341159
by cmorley
Replied by cmorley on topic Qtdragon_hd Zero button not zeroing
If you zero again, does the small values stay the same?
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08 Jan 2026 08:10 #341162
by soehlrich
Replied by soehlrich on topic Qtdragon_hd Zero button not zeroing
Yes it does, if I jog the axis it will change. It doesnt seem to be realted as to how far I jog, the axis just has to move, even 0.1mm
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09 Jan 2026 00:02 - 09 Jan 2026 01:55 #341180
by soehlrich
Replied by soehlrich on topic Qtdragon_hd Zero button not zeroing
Hi, Apologies, did some more testing. If I start at ABS of Zero then Job axis 5mm at a time slowly (ie 100mm/min) every 3rd or 4th jog the counter will increment by .001 ie instead of reading 15.000 it will read 15.001, then if I keep joging it will then stay with the .001 until 35 then it will read 35.002.After some more testing here are my job results (jogging at 30mm/min and incr of 5mm)starts at ABS 0 G54=00->5->10->15->20->25.001->20->25.001->20->25.001->20->25.001->30.001...all .001 till 70.002jogging -ve from 70.002->65.001 ...all .001 til 25.000 .. all the way back to 0.000Feels like some sort of rounding / fp / devision error creaping inI have attached a HALShow screen - after joggin in cnrements of 5mm the first count was correct at 6400, then after a few it added an extra count then another at 30mm so now shows 30.001 as it must be rounding upHope this helps
Last edit: 09 Jan 2026 01:55 by soehlrich. Reason: Adding more inforamtion
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09 Jan 2026 01:56 #341186
by soehlrich
Replied by soehlrich on topic Qtdragon_hd Zero button not zeroing
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