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OK,
There still seems to be patches required for RT.
One does include the above mentioned patch and the other does touch on what I mentioned but this depends of KVM being disabled.
So I would guess that the patches here:
www.kernel.org/pub/linux/kernel/projects/rt/6.12/
Would be correct for 6.12.8 ?

Which include the patch that allows Linuxcnc to detect a RT kernel and also allows the selection of a fully preemtible kernel.

One 2.4M resistor in series to the negative lead will give you a 250V full scale range
which should be OK

If you post up the wiring a d function diagrams for your tool changer i could help, but it's more complicated than just hooking up hal pins

I see a lot of talk regarding enabling expert, that’s a sub menu with quite a few options, non relating to enabling a fully preemptible kernel.
The mod to the kconfig is a switch, as far as I can see, that the platform is RT capable.

The user guide offers very little in the way of specs on timing of Step/Dir signals and isn't listed in the Driver drop-down in MesaCT.

Could anyone give me some advice for the following settings:

MAX_VELOCITY = 20
MAX_ACCELERATION = 50
DRIVE = Custom
STEP_INVERT = False
DIR_INVERT = False
STEPGEN_MAX_VEL = 24.00
STEPGEN_MAX_ACC = 60.00
DIRSETUP = 5000
DIRHOLD = 5000
STEPLEN = 2000
STEPSPACE = 2000
ENCODER_SCALE = 

I think Rob mentioned in another thread that he had one of these and I'm trying to rule out any timing mis-configuration as I figure how hum much damage I did to my 9i95T board.


 

tommylight wrote:

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Personally, i would think they should provide it publicly... but still, they were selling the full PathPilot on a USB stick for 35$, so i can not be angry at them.
 

I actually asked them. They wanted me to send a $10 cheque to some address. I did. After a few weeks they told me they never received it.
Then they gave me a second address. I sent another cheque to that address. USPS bounced back the mail as the address was invalid.

I'm also only interested in reviewing their TP changes, I couldn't care less about their GUI.

Grotius, could you please consider sharing the emc sources (the src/emc directory)? The GPL grants you this right.

Hello @tommylight, thank you for your suggestion.

I'm off the machine at the moment, and working through the Delta documentation and build notes from back then. I suspect that the backup parameters file might be wrong, I'll check tomorrow by downloading the X axis parameters first to compare.

Thanks again

Would the resistor I have listed work for the THCAD to read the voltage?

Related question on these servo drivers, I have noticed that they share the same .xml file in the download section (Link below) for any power from 100W to 1 Kw. The settings for LCNC are all the same for any model of servo driver? where can I find info to understand what's inside this .xml file?

www.omc-stepperonline.com/index.php?rout...E_A6_Servo_V0.04.xml

I updated with buildbot2 today and Cut Recovery is working again. Thanks.

sharp_reaper wrote:

Connected the shield only on the 7i96s side in the pin TB2.9 with the GND cable.

Shield should be wired to control box ground, not Mesa board.
When checking encoder velocity, does the value move up(or down?) consistently? Not jumping values?

First, make sure the drive is set to step/dir control mode.

Hello,

I have built a rather large 3 axis CNC mill some years ago, using LinuxCNC/Axis on a standard PC, Step/Dir pulses via parallel port communication, a basic 5-axis BOB and 4 Delta ASD-A2-0743-M with Delta motors. The machine has been working reliably for some years, and although aware of the limitations of this setup, I was quite happy with it. Then one of the Delta drives failed by the end of December, and I'm now trying to fit in a replacement part.

The new drive is the same, brand new, exact reference. I was able to swap the unit and plug it exactly like the old one. I had a back-up of the parameters file last in use on the old drive, that I have uploaded to the new drive with ASDA Soft 5.5.0. I got a warning that the firmware on the new drive was more recent than that in the file (V4,052, Sub:2 ---->>> V4,061, Sub:340), and the soft offered to upgrade the file before uploading it. In the end, it seems that 2 parameters (P2-95, P2-97) were added, with default values.

Problem is that I can get the axis moving through the JOG screen in ASDA Soft, but not with LinuxCNC jog : the position displayed on the screen changes, but the machine's axis does not move, and the motor makes no noise at all (there is no feedback from the drives to LinuxCNC due to parport limitations).
When I have tried to Home All axis, the Z (vertical) and X (gantry, 2 drives/motors) were OK, but the Y axis, that of the new drive, keeps "moving" virtually on the screen while nothing actually happens on the drive (?) and motor.

I think, but I'm not quite sure, that the machine's axis moved on the very first attempt, albeit in the direction opposite to expected.
I dont' get any error code on the drive's panel, and no errors in LinuxCNC either.

I have probably missed something basic, but I can't figure out what. Any idea ?
Thank you for reading this far, any help is appreciated.