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Lcvette spent a few hours helping me last night and I learned a ton and made notes and screenshots so that I can do it again later, if needed. The linux kernel was not a realtime version, after following the install directions, so he guided me through fixing that and manually setting the network card and doing auto login for debian. I had done last two items before but did not remember how, and I had no idea how to fix the kernel, but did realize it wasn't listed as rt when seeing it while working through different screens. It was great to have someone walk me through doing it in a way that I knew would be correct. I mention all this so that if someone else finds this thread and has the same problems, they can learn a little more about their situation.

Now, my system is up to date and I was able to get a working Axis installation going. It all seems to run properly, but my ping to the mesa card is high so I will make a new post to ask for help with that (it isn't stopping me from continuing work on the machine setup).

The next steps are to copy the sim.var file and then to copy other files and folders from the machine setup directory.

My "machine setup directory" is missing “user_buttons” folder and the pbsplash.png file.

The left is my folder and the right is from the instructions page for installing Probe Basic.

 

Could I please get firmware for the 7i92 + 7i85 with the index-enable signals and a PWMgen? I've got the control box lying out on the floor until I can get the new firmware going. Thanks!

unknown wrote:

No always 4 cores.

For some reason the RPi docs say to use -j6.
 

Thank you Rob.

No always 4 cores.

For some reason the RPi docs say to use -j6.

Finally I got it. 6 Axis working from telnet. Before I missed to start the inetd.

my code:
xxxx@zzzz# sudo systemctl start inetd
xxxx@zzzz# telnet localhost 5007
Trying ::1...
Connection failed: Conexión rehusada
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
hello EMC user-typying-at-telnet 1.0
HELLO ACK --name 1.1
set enable EMCTOO
set enable EMCTOO
set mode manual
set mode manual
SET MODE NAK
set estop off
set estop off
set machine on
set machine on
set home 0
set home 0
set home 1
set home 1
set home 2
set home 2
set home 3
set home 3
set home 4
set home 4
set home 5
set home 5
set mode mdi
set mode mdi
set mdi G0 X10
set mdi G0 X10
set mdi G0 Z10
set mdi G0 Z10
set mdi G0 A50
set mdi G0 A50
set mdi G0 B50
set mdi G0 B50
set mdi GO C50
set mdi GO C50
set mdi g0 C50
set mdi g0 C50
set mdi g0 X0 Z0 A0 B0 C0
set mdi g0 X0 Z0 A0 B0 C0

If you are not using reset mode (Not sure if the RPI can do this)
The step pulse width is the base period.

Drifting in a (mod) 45 degree angle suggests crosstalk to me.
Maybe a loose ground or 5V common in the step wiring?

Look like analog servos so a 7I97T is probably a good choice.
As far as wiring goes, do you have a schematic of the interface PCB?

losing steps on step space/time?

alright in hal, change this line to this

Update: I fixed editing, the clue was here: www.usemod.org/cgi-bin/wiki.pl?WikiBugs/CookieIgnored

The Wiki has a problem with the certificate. We don't know what the problem is and only one person has the admin credentials at Dreamhost.
That person has tried creating a new certificate for the Wiki, but it still seems to not be working.

The result if this is that wiki.linuxcnc.org will work (with a warning that it is not secure) and wiki.linuxcnc.org will not work. (giving a sleeping robot error page)

I have tried to get help from Dreamhost, they won't talk to me....

This might, or might not, be related to the problem with logging in to make edits. I don't know how that authentication is handled.

Hi gene_weber,

Thank you for the info. Back in November, 2024, I did managed to build and install a PREEMPT_RT kernel to my Raspberry Pi 4B:

[
Linux picnc 6.6.59-rt45-v8-behai-rt-build+ #1 SMP PREEMPT_RT Sat Nov 2 10:20:46 AEDT 2024 aarch64 GNU/Linux
]

But I did not know how to make other configurations as you have done: I did not know we have different displays, etc.

I have also built LinuxCNC from source and installed it from the build: only last week, I have found out that I have done a simulated-realtime version of LinuxCNC. PnCConf reports:

[
"You are using a simulated-realtime version of LinuxCNC, so testing / tuning of hardware is unavailable."
]

I did not know we can install LinuxCNC from a prebuilt package to a Raspbian OS as you have done.

Might I have a question, please? You use -j6 in the command:

[
make -j6 Image.gz modules dtbs 2>&1 | tee make.log
]

On my Raspberry Pi 4B, nproc reports 4, I use -j4.

So is it true that later Pi 4B revisions have more cores? I bought mine back in middle 2023. I don't have Pi 5 yet.

Thank you and best regards,

...behai.

 

Hi Hakan,

I use three iHSS57-36 motors, which have the output stages integrated and are only controlled with step/dir. So your EaserCAT-3000 would be just right for my needs
Your EaserCAT-3000 would be exactly the extension!

Peter

I am looking for some guidance on switching my plasma table from hypertherm controls with servo motors/drivers to linuxcnc.  I have retrofitted my other plasma table that uses steppers to qtplasmac/mesa hardware, however the servo wiring is beyond me.  The current hypertherm controls cuts fine, however the microedge has been spontaneously rebooting and unreliable.I have a thcad 5 and thcad 10 already on hand, after reading around, I believe a mesa 7i97t is what I need?  Either way I am unsure of the wiring that needs done.  I apologize for my incompetence and am willing to learn.  I really like the qtplasmac interface over hypertherms softwareI attached pictures of the hardware. Would it be possible to leave the pcb that the servo drivers connect to on the back panel and replace the microedge controller with some mesa hardware and the needed power supplies and linux computer?

Hi automata,

Yes you are right.

We will try to implement 3d clothoid.
If this won't succeed we revert to your method.