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  • rodw
  • rodw's Avatar
15 Mar 2025 19:24
Replied by rodw on topic SCATECH EV1616DN - Example config

SCATECH EV1616DN - Example config

Category: EtherCAT

Assuming the Mesa 7i92 is my answer, I'm in Australia, I looked for a local distributor and a 10 year old post on CNCZone from rodw said that he too was Australian and had them for sale?? Is this still the case and how do I go about buying one?

The closest distributor is in New Zealand but it's probably easier to order from Mesa direct.
  • cmorley
  • cmorley
15 Mar 2025 19:17
Replied by cmorley on topic Spindle Inhibit while Probing.....

Spindle Inhibit while Probing.....

Category: Qtvcp

Yes master branch only.
  • PCW
  • PCW's Avatar
15 Mar 2025 18:51
Replied by PCW on topic 7i96 not working anymore

7i96 not working anymore

Category: Driver Boards

You need to supply the card address when using mesaflash:

mesaflash --device 7i96 --addr 10.10.10.10
  • PCW
  • PCW's Avatar
15 Mar 2025 18:48 - 15 Mar 2025 19:08
Replied by PCW on topic STEPLEN STEPSPACE time for Bergerda AC servo driver

STEPLEN STEPSPACE time for Bergerda AC servo driver

Category: General LinuxCNC Questions

I would make these changes in the hal file and try again:

Comment out all these (XYZ etc) lines.
That is, change this:

net x-vel-fb hm2_[MESA](BOARD).0.encoder.00.velocity => pid.x.feedback-deriv

to this:

#net x-vel-fb hm2_[MESA](BOARD).0.encoder.00.velocity => pid.x.feedback-deriv

(and so on for y,z etc)

Then add these lines:

setp hm2_[MESA](BOARD).0.dpll.01.timer-us -200
setp hm2_[MESA](BOARD).0.encoder.timer-number 1
setp hm2_[MESA](BOARD).0.stepgen.timer-number 1
setp hm2_[MESA](BOARD).0.encoder.sample-frequency 20000000

 
  • persei8
  • persei8's Avatar
15 Mar 2025 18:45
Replied by persei8 on topic 7i96 not working anymore

7i96 not working anymore

Category: Driver Boards

Computer rebooted.
Power on the controller.
Without trying to run linuxcnc:
$ ping 10.10.10.10
PING 10.10.10.10 (10.10.10.10) 56(84) bytes of data.
64 bytes from 10.10.10.10: icmp_seq=1 ttl=64 time=0.315 ms
64 bytes from 10.10.10.10: icmp_seq=2 ttl=64 time=0.167 ms
64 bytes from 10.10.10.10: icmp_seq=3 ttl=64 time=0.162 ms
64 bytes from 10.10.10.10: icmp_seq=4 ttl=64 time=0.159 ms
^C
--- 10.10.10.10 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3061ms
rtt min/avg/max/mdev = 0.159/0.200/0.315/0.066 ms
jim@Linuxcnc:~$ halrun -U
Note: Using POSIX realtime
j
jim@Linuxcnc:~$ mesaflash --device 7I96
lbp16_access.send_packet: Resource temporarily unavailable
Aborted
j
A sim config works just fine. The problem is only with the real machine. I would try to flash it back to the original bitfile, the one without pktuart, but mesaflash doesn't seem to communicate with the 7i96.
Jim
  • tommy
  • tommy
15 Mar 2025 18:29
Replied by tommy on topic STEPLEN STEPSPACE time for Bergerda AC servo driver

STEPLEN STEPSPACE time for Bergerda AC servo driver

Category: General LinuxCNC Questions

Yes I'm using encoder feedback for all axis.

ini & hal files attached

If you will check files, there are JOINT 0,1 and 6 on which I would like to increase velocity.
  • fletch
  • fletch's Avatar
15 Mar 2025 17:51
Replied by fletch on topic Spindle Inhibit while Probing.....

Spindle Inhibit while Probing.....

Category: Qtvcp

Thank you for this Chris, much appreciated. It's just what I need but can't see it in halshow - I'm running the Debian pkg 2.9.4-14-g00c2d4f0cc (just apt upgraded) - does this mean it's not is a 'release' yet? (other than the halshow, I'm not sure how to tell).
  • PCW
  • PCW's Avatar
15 Mar 2025 17:48 - 15 Mar 2025 17:57
Replied by PCW on topic STEPLEN STEPSPACE time for Bergerda AC servo driver

STEPLEN STEPSPACE time for Bergerda AC servo driver

Category: General LinuxCNC Questions

Are you using 7I95T encoder feedback?

Can you post your hal/ini files?

Reducing the steplength and stepspace parameters
will not directly cause a following error, though reducing them
will allow higher speeds that may expose other limits.

The 7I95T is capable of generating up to 10 MHz step rates

 
  • ihavenofish
  • ihavenofish
15 Mar 2025 17:47
Replied by ihavenofish on topic scurve trajectory planner

scurve trajectory planner

Category: General LinuxCNC Questions

I see something in this last image which I'm sure is just a future task but it was a problem in the old planner so I'll mention it.

You should NEVER blend G0 rapid moves. And definitely not blend them into a G1.

G0 always needs to be exact stop (with jerk control). If you blend a G0 move you wind up hitting fixtures, vises, gouging your work and breaking tools.
  • PCW
  • PCW's Avatar
15 Mar 2025 17:45
Replied by PCW on topic Motor 0 Positionsfehler

Motor 0 Positionsfehler

Category: Advanced Configuration

Normally you would set this so it never gives errors in normal operation
(since stopping on a following error is catastrophic )
  • tommy
  • tommy
15 Mar 2025 17:32
STEPLEN STEPSPACE time for Bergerda AC servo driver was created by tommy

STEPLEN STEPSPACE time for Bergerda AC servo driver

Category: General LinuxCNC Questions

I'm trying to reach 10000mm/min max velocity on three axis, but lowering STEPLEN and STEPSAPECE below 1000 nanoseconds, following error shows up immediately.
Based on driver specs Maximum frequency of input is 1MHZ (Differential motion).

I believe mesa 7i95T isn't limiting factor here!?

My current values:
DIRSETUP          = 200
DIRHOLD            = 200
STEPLEN            = 1000
STEPSPACE       = 1000
SCALE                = 2000

 
 
  • Wusel
  • Wusel
15 Mar 2025 17:05
Replied by Wusel on topic Motor 0 Positionsfehler

Motor 0 Positionsfehler

Category: Advanced Configuration

I put it up to 0.1 and got no error messages any more. So I will slowly reduce it to see when the error comes up again.
Thanks a lot
  • zz912
  • zz912's Avatar
15 Mar 2025 17:03
Replied by zz912 on topic LCNC 2.10 - Ask for AUTOMATIC_G43

LCNC 2.10 - Ask for AUTOMATIC_G43

Category: Gmoccapy

I'll try to recap the previous posts. What I want to do can be done in multiple ways.

1)my first original plan.
Create new files in the linuxcnc/src/emc/usr_intf/pncconf folder and then copy them to the new LCNC configuration using pncconf.
I could do this. It is not problem for me.

2)However, @Aciera came up with a better idea.
He doesn't want to create new files in the linuxcnc/src/emc/usr_intf/pncconf folder.
He wants to use the original data from the configs/sim/gmoccapy folder.
The advantage is that there will be no unnecessary duplicate data in the source files.

The problem is that I don't know how to define this path cleanly: configs/sim/gmoccapy
This path is different for RIP installation and different for package installation.

I can define the path for the RIP installation. It is not problem for me.

For package installation I could use the path:
/usr/share/doc/linuxcnc/examples/sample-configs/sim/gmoccapy/
I don't know if this is a clean solution.

I think a clean solution would be to use this variable:
github.com/LinuxCNC/linuxcnc/blob/1c72d4...ipts/linuxcnc.in#L53
But I don't know how.



 
  • PCW
  • PCW's Avatar
15 Mar 2025 15:45
Replied by PCW on topic 7i96 not working anymore

7i96 not working anymore

Category: Driver Boards

That's a LinuxCNC error perhaps in the modbus code
 
After that error that  you may need to run

halrun -U

or if that does not work, reboot the computer

Because LinuxCNC blocks access to the Ethernet port the 7I96 uses
Until it exits cleanly (this is likely why mesaflash does not work)
  • persei8
  • persei8's Avatar
15 Mar 2025 15:38
7i96 not working anymore was created by persei8

7i96 not working anymore

Category: Driver Boards

After updating linuxcnc, I now get the following:
hm2: loading Mesa HostMot2 driver version 0.15
hm2_eth: loading Mesa AnyIO HostMot2 ethernet driver version 0.2
hm2_eth: 10.10.10.10: INFO: Hardware address (MAC): 00:60:1b:16:00:b6
hm2_eth: discovered 7I96
hm2/hm2_7i96.0: Low Level init 0.15
hm2/hm2_7i96.0: created PktUART Interface function hm2_7i96.0.pktuart.0.
*** buffer overflow detected ***: terminated
./qtdragon.hal:13: waitpid failed /usr/bin/rtapi_app hm2_eth
./qtdragon.hal:13: /usr/bin/rtapi_app exited without becoming ready
./qtdragon.hal:13: insmod for hm2_eth failed, returned -1
Shutting down and cleaning up LinuxCNC...
USRMOT: ERROR: command 30 timeout (seq: 1)
emcMotionInit: emcTrajInit failed
Waited 3 seconds for master.  giving up.
Then I tried:
jim@Linuxcnc:~/Downloads/7i96/configs/hostmot2$ mesaflash --device 7i96
lbp16_access.send_packet: Resource temporarily unavailable
Aborted
Is the 7i96 toast, hostmot broken? All I did after a few weeks on non use was update llinuxcnc (2.10.0-pre0) I had to compile from source since buildbot is no longer working.
Jim
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