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  • Routerworks
  • Routerworks
27 Mar 2025 17:53
Replied by Routerworks on topic Need help setting up XYYZA for stepper motors

Need help setting up XYYZA for stepper motors

Category: General LinuxCNC Questions

Here is the error report.  Had to take pictures.  Working on pc windows.  Linuxcnc is on separate pc no wifi.

Thanks in advance
  • kostas
  • kostas's Avatar
27 Mar 2025 17:42
Replied by kostas on topic Visualizing hal nets with graphviz

Visualizing hal nets with graphviz

Category: HAL

Hey, nice to know that this has been used by someone!
  • BX-CNC
  • BX-CNC
27 Mar 2025 17:39 - 27 Mar 2025 17:51
Replied by BX-CNC on topic Need help with CNC machine build up

Need help with CNC machine build up

Category: General LinuxCNC Questions

Hi,
I get a PC with build-in parallel port. But i ran the parallel port tester and still got no response.

I can now toggle the machine power in linuxCNC. When I toggle it on, the machine can move when i toggle the machine power off it locks. But still no movement yet.
  • langdons
  • langdons
27 Mar 2025 17:24
Replied by langdons on topic bandit controller retrofit

bandit controller retrofit

Category: General LinuxCNC Questions

www.aliexpress.com/item/1005005356039290.html

Once you have purchased a driver, probe the non-motor-winding motor socket connections with a voltmeter (between driver logic ground and between each other).

There should be: A VCC wire, a GND wire, and a signal wire (use the 4520B counter circuit to detect the pulses).

Maybe there are 4 wires:

1xVCC
1xGND
1xSIG
1xVCC or GND or NC
  • skunkworks
  • skunkworks
27 Mar 2025 17:15
Replied by skunkworks on topic linuxcnc scurve motion planner

linuxcnc scurve motion planner

Category: General LinuxCNC Questions

This is awesome!! Great work to everyone involved.

I agree with Aciera - keyboard jogging is way at the bottom of the list. I have many large machines that are never jogged by the keyboard.

sam
  • langdons
  • langdons
27 Mar 2025 17:13
Replied by langdons on topic bandit controller retrofit

bandit controller retrofit

Category: General LinuxCNC Questions

Try this:
Remove 1 driver, unplug its motor, and remove the motor socket socket from the chassis.

Examine where the socket leads connect to the driver's PCB.

Thick traces are probably motor winding connections, thinner ones are likely signal/optointerrruptor connections.

Now separate the socket leads for the motor windings from the driver and use an ohmmeter to determine their configuration.

Brushless DC motors are probably 3-phase.
There should be 3 or 4 thick wires.

Buy a single servo drive (can be cheapish).
  • PCW
  • PCW's Avatar
27 Mar 2025 16:24
  • Aciera
  • Aciera's Avatar
27 Mar 2025 15:48
Replied by Aciera on topic xhc-hb04 basic setup in 2.8

xhc-hb04 basic setup in 2.8

Category: Advanced Configuration

Note that if you copy/pasted stuff from this earlier post the debounce stuff is actually commented out so you likely wont need it:
forum.linuxcnc.org/10-advanced-configura...n-2-8?start=0#155864

if your scale is that small then it's not really surprising that there is no movement so I would suggest to set change these two lines
setp mult2Lowpass.in1 0.001
setp halui.feed-override.scale 0.00001

To this:
setp mult2Lowpass.in1  1.0
setp halui.feed-override.scale  1.0
  • Routerworks
  • Routerworks
27 Mar 2025 15:45
Replied by Routerworks on topic Need help setting up XYYZA for stepper motors

Need help setting up XYYZA for stepper motors

Category: General LinuxCNC Questions

Here are the A asix files 

File Attachment:

File Name: 4ThAxisDua...3-27.txt
File Size:5 KB
 

File Attachment:

File Name: 4ThAxisDua...3-27.txt
File Size:3 KB
  • Routerworks
  • Routerworks
27 Mar 2025 15:42

Need help setting up XYYZA for stepper motors

Category: General LinuxCNC Questions

I need help setting dual Y, X, Z and A axis .  A is rotation.  The config wizard won't set up YY with A axis.  I have a functional XYYZ program that I copied the additional Y axis  ini and hal file components from and added to an XYZA file I was able to configure in config wizard.  Maybe someone can see what I am missing as I get all kinds of errors.  The Dual Y Axis Mill works fine.

thanks in advance for any help.

Routerworks
  • Aciera
  • Aciera's Avatar
27 Mar 2025 15:40
Replied by Aciera on topic linuxcnc scurve motion planner

linuxcnc scurve motion planner

Category: General LinuxCNC Questions

It captures keyboard buttons for xyz axis in pause state.


This is a cool feature but IMO the use of keyboard keys for jogging is rather unfortunate. There have been several calls to move away from keyboard jogging. Why not use one of the existing hal pins like 'halui.axis.L.minus', 'halui.axis.L.plus' or better yet create dedicated hal pins for jogging while paused.
  • LCR
  • LCR
27 Mar 2025 14:54

Problems with Lichuan Ethercat servo drive

Category: EtherCAT

Hi All
Does anyone have these drives jogging that can try some moves?
What I would like is if you would try some programmed moves back and forth while monitoring the target position (607A), the actual position (6064), the pos-cmd  (60FC), the corresponding joint.X.f-error and show their values after a few (10) moves of whatever distance you can travel back and forth.

My issue is as follows:

I have 4 LC 10 E 1000 amplifier kits with 2500 RPM 17 bit motors, and they are all exhibiting the same following error issue. 
I am running the servos in CSP mode at 1kHZ with LinuxCNC.

The issue I have is that the target position (607A) develops an offset and the actual position (6064) does not become equal. There is a random offset, which seems to grow over time. It can be thousands of counts. The motor actual position (6064) remains correct. The motor is counting correctly. I put a dial gauge at the end of travel, and the actual position (6064) is correct. To compensate for this, I put an integral loop in the machine controller. With this integral loop the machine moves correctly. When the controller software disables the drive power, and re-enables, the offset is gone. I have monitored the pos-cmd (60FC) and it follows the motor actual position (6064), until I disable and re-enable the drive. When I disable and re-enable the drive the pos-cmd (60FC) feedback value does not match either of the other 2 (6064) or (607A) however (6064) does now match (607A). The machine will then move to the correct position without requiring any integral compensation for a period, until the offset re-appears.

The offset between the target position (607A) and the actual position (6064) remains even if I jog the axis slightly, or if I manually force the servo out of position slightly. The servo wants to maintain the offset error. I have tried changing all of the gains to see if there is an effect on the error, and there is none.

Encoder Position Deviation P0B.15, always remains _0000. I would expect it to show the following error.
Position Deviation Counter P0B.53, always remains _0000. I would expect it to show the following error.
Input Position Command Count P0B.13 matches pos-cmd (60FC). It matches even when the target position (607A) and the actual position (6064) are different values.
The last fault shows as P0B.33 == 1, P0B.34 == 952 which is reverse over travel, which was from homing.
Actual motor speed P0B.55 does display values that change and seem correct.

The software version is: P01.50 ==>  03.16


File Attachment:

File Name: ethercat-c...27-3.xml
File Size:7 KB


  • tommylight
  • tommylight's Avatar
27 Mar 2025 14:49
Replied by tommylight on topic Mesa card minimum network speeds

Mesa card minimum network speeds

Category: Driver Boards

oh and usb 1.1? thats some old stuff from the "plug and pray" days!

:) yes it is, it has never ever failed me, so i keep it in my "go bag" with all the expensive tools i use in the field, it deserves it.
BTW, disable IPV6 on the PC, there is still no use for it.
  • Grotius
  • Grotius's Avatar
27 Mar 2025 14:40
Replied by Grotius on topic linuxcnc scurve motion planner

linuxcnc scurve motion planner

Category: General LinuxCNC Questions

Hi all,

Today a new feature is added to the planner.

Jog in pause state.

It captures keyboard buttons for xyz axis in pause state.
This feature should work for every used linuxcnc gui, axis, gmocappy, qtvcp, etc. The whole mickmack.
When resuming the motion, the xy is running back to pause-pos, then the z is running back to pause-pos.

Next feature is tangential knife.
Will do that next time.
  • Z3rni3
  • Z3rni3
27 Mar 2025 14:38 - 27 Mar 2025 19:28

Can not find -sec TRAJ -var COORDINATES -num 1

Category: General LinuxCNC Questions

Oh wow... I've been racking my brain because of a spelling mistake...
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