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  • dhegge
  • dhegge
12 Feb 2026 00:05
Probe Basic Probing Inverted was created by dhegge

Probe Basic Probing Inverted

Category: QtPyVCP

While using probe basic I have found for outside corners probe selection.  I have to select all opposite corners except the center in the 3x3 (tic tac toe looking ) matrix.  Everything appears to be working correctly just have to invert.  I have checked all of my accesses and all seems to be fine except the probing function of probe basic. Anyone else experience this or have any thoughts?

Thank in advance,
D
 
  • PCW
  • PCW's Avatar
11 Feb 2026 22:37 - 11 Feb 2026 22:37
Replied by PCW on topic Hurco BMC 30 AP

Hurco BMC 30 AP

Category: CNC Machines

OK that looks like exponential runaway which is an indication that the
feedback loop is backwards (positive rather than the desired negative feedback)

If the encoder feedback is in the correct direction, the fix is to change the sign
of the PWM scale value:

[JOINT_0]
TYPE = LINEAR
HOME = 0.0
FERROR = 10
MIN_FERROR = 5.0
MAX_VELOCITY = 200.0
MAX_ACCELERATION = 1250.0
P = 1
I = 0
D = 0
FF0 = 0
FF1 = 0
FF2 = 0

BIAS = -0.0105
############-0.0105 vorher Bias
DEADBAND = 0
MAX_OUTPUT = 10
ENCODER_SCALE = -4000
OUTPUT_SCALE = -10
OUTPUT_MIN_LIMIT = -10.0
OUTPUT_MAX_LIMIT = 10.0
  • tommylight
  • tommylight's Avatar
11 Feb 2026 22:25
Replied by tommylight on topic Soft limits are not working all the time...

Soft limits are not working all the time...

Category: Basic Configuration

Pictures of the machine and where the home switches are located?
Your min/max values seem random, any reason for that?
  • tommylight
  • tommylight's Avatar
11 Feb 2026 22:15

Ethercat installation from repositories - how to step by step

Category: EtherCAT

@Otis,
Your link to github is not working, try posting it on a new post as editing usually messes things.
Thank you.
  • Lcvette
  • Lcvette's Avatar
11 Feb 2026 22:14
Replied by Lcvette on topic Some problems with probe basic lathe

Some problems with probe basic lathe

Category: QtPyVCP

ah yes you have a slightly older version i did notice that after an edit and resolved it already, if you are apt installed a simple sudo apt update sudo apt upgrade will install the latest fixes, no need to reinstall everything.
  • Ismacr63
  • Ismacr63
11 Feb 2026 22:09
Replied by Ismacr63 on topic Some problems with probe basic lathe

Some problems with probe basic lathe

Category: QtPyVCP

Any conversational subroutine, such as Turning. I enter the parameters, and when I press the Turning button, nothing happens.

I always use the screen in full-screen mode, but if you look at the image I uploaded, the bottom part is cut off. This doesn’t happen in Probe Basic Mill.

Tomorrow I’m going to uninstall and reinstall the latest version and replace the files again.
  • Lcvette
  • Lcvette's Avatar
11 Feb 2026 21:58
  • Lcvette
  • Lcvette's Avatar
11 Feb 2026 21:56
Replied by Lcvette on topic Some problems with probe basic lathe

Some problems with probe basic lathe

Category: QtPyVCP

what subroutines?

for reference i just installed the latest version on my test pc clean and everything is working as expected in all of the sims. which tells me the build is good. so this is likely a configuration error. but i would want some verification in the sims from you before we discount an installation error.

as for the screen size mode, probe basic is designed to be run full screen only to take advantage of every square mm or screen space for machine use. that will not change in the main branch as that is how i use my machines in their dedicated form and how i setup PB to be used. you could modify it but that will mean you are on your own or will have to remodify things any time you run an update.
  • Ismacr63
  • Ismacr63
11 Feb 2026 21:34
Replied by Ismacr63 on topic Some problems with probe basic lathe

Some problems with probe basic lathe

Category: QtPyVCP

In simulation mode, the screen looks the same, the subroutines don’t work, and I honestly haven’t tried the movement with the arrow keys.
  • mariob
  • mariob
11 Feb 2026 21:26 - 11 Feb 2026 21:27

Linuxcnc erste Schritte und erste Probleme, NVEM und Remora

Category: Deutsch

Hallo,
und danke für die Antwort, es geht langsam aber stetig, ich habe jetzt als nächstes Problem das ich nicht weiß ob die Standardkonfiguration der Firmware nach dem Laden nicht bereits alle Variablen für alle Achsen plus Ein/Ausgänge enthält.
Meine Frage dazu ist, wenn die Achsen plus E/A im NVEM bereits vorhanden sind aber in der HAL nicht definiert, ist das ein Problem? Mir fehlt noch ein wenig das Verständnis zwischen der Firmware des NVEM und der HAL.
Ich wollte als nächsten Schritt einmal die Notauskette testen, daher wäre es interessant ob es da schon etwas konfiguriertes gibt.

Gruß
Mario
  • Lcvette
  • Lcvette's Avatar
11 Feb 2026 21:16
Replied by Lcvette on topic Some problems with probe basic lathe

Some problems with probe basic lathe

Category: QtPyVCP

how about in sim mode?
  • Mekanoid
  • Mekanoid
11 Feb 2026 21:08
No movement, stepconf and MX4660 was created by Mekanoid

No movement, stepconf and MX4660

Category: General LinuxCNC Questions

Hello all, 

my goal is get my stepper motors to respond to movement commands.

Long time Machinist here, I am ok at computer science, but only self trained. I am new to linuxcnc, but not to Cnc I Have aquired a Gryphon gantry router with Leadshine MX4660. I have an older pc with 5v parallel port. I used stepconf to configure my control. I have downloaded and installed linuxcnc in october 2025, yet.with everything plugged in and up and running, my steppers are locked solid, and when i command a move, the control registers movement, but the machine remains stationary.

I have the bios set to EPP and the address is shows for the parallel port is 378h. the charge pump on the MX4660 is set to Off ( which I have read that counterintuitively means on the MX4660 that it is set to look for the 10khz signal ).I set the set/dir pins to the MX4660 manual using pin 2-9 as step/dir for x,y,z,tandem x. I have  tried a few configs with enable on pin 1, charge pump on pin 16, parport 0, parport 0x378, parport 378h, parport 0x378h, parport 378h. I have tried swapping the step/dir pins. i have not confirmed if my parallel port cable is good, I may test that here in a bit.

Seems like the control isn't communicating with the drivers. i am not sure how my hal file is configured for the parport settng.  I plan on posting my .ini and .hal files soon, next time I go out to the shop I will grab a copy of each.

I am just curious if there's something simple I have over looked, or even unaware of, and if anyone has any insight on this.

Thank you in advance if you have the time to help out.
  • Ismacr63
  • Ismacr63
11 Feb 2026 21:06
Some problems with probe basic lathe was created by Ismacr63

Some problems with probe basic lathe

Category: QtPyVCP

The Probe Basic Lathe screen in full-screen mode is cut off and doesn’t display completely, which is a bit annoying.

Another issue I’m seeing is that the on-screen keys stop working after referencing the machine, and I have to home it again to get them working.
Also, the arrow keys only respond when clicking with the mouse in certain specific areas.To have the spindle rotate at a default speed of X RPM, I set
RS274NGC_STARTUP_CODE = S500
, but without success. When I press the Forward button, it spins by default at a very low RPM.
Finally, for some reason, the subroutines don’t work at all.I’m running the latest update and have replaced the Probe Basic Lathe folders.
 
  • 5_Zylinder
  • 5_Zylinder
11 Feb 2026 20:48
Replied by 5_Zylinder on topic Hurco BMC 30 AP

Hurco BMC 30 AP

Category: CNC Machines

Hi,

we worked with the hal scope today.
 
  • Otis
  • Otis
11 Feb 2026 19:59

Ethercat installation from repositories - how to step by step

Category: EtherCAT

Many thanks for the guide @rodw and the people in the forum!
Spend a some hours getting my setup online on the bench and it its now running only with minor issues that were a result from me not knowing what I was doing!And those were fixable with a bit of Forum reading and LLM help.

Could not be happier! 
Setup is:
- Beckhoff (EK1100 EtherCAT-Coupler EL1008 8K. Dig. In EL2008 8K. Dig. Out EL2624 4K. Relais Out EL3102 2K. Ana. In /-10V, DIFF EL4022 2Ch. Ana. Out 4-20mA, 12bit) for coolant/fans and also analog communication for the VFD with current feedback
- And a Stepperonline A6 Servo (now that i works, I will order the missing 2 servos)

Spend some time during the setup to take detailed notes and put them together here if someone plans on doing something simmilar: Github
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