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  • andypugh
  • andypugh's Avatar
05 Sep 2025 08:34
Replied by andypugh on topic Troubles to get started with SD240 Retrofit

Troubles to get started with SD240 Retrofit

Category: Turning

You can test the index-enable system by hand.

Open halshow (this is "show machine configuration" in Axis, in some other interfaces you may need to open a terminal and "halcmd loadusr halshow"

Add the x-index-enable signal to the Watch tab. I think you should see a button that allows you to set it.

Then rotate the motor by hand, and see if the index-enable signal ever goes false.

Hint, the colour scheme of halshow is eccentric. dark red = 0 / false and yellow = 1 / true
  • andypugh
  • andypugh's Avatar
05 Sep 2025 08:34
Replied by andypugh on topic Troubles to get started with SD240 Retrofit

Troubles to get started with SD240 Retrofit

Category: Turning

You can test the index-enable system by hand.

Open halshow (this is "show machine configuration" in Axis, in some other interfaces you may need to open a terminal and "halcmd loadusr halshow"

Add the x-index-enable signal to the Watch tab. I think you should see a button that allows you to set it.

Then rotate the motor by hand, and see if the index-enable signal ever goes false.

Hint, the colour scheme of halshow is eccentric. dark red = 0 / false and yellow = 1 / true
  • andypugh
  • andypugh's Avatar
05 Sep 2025 08:01
Replied by andypugh on topic Y axis A slave help request

Y axis A slave help request

Category: General LinuxCNC Questions

Are the stepper motors locked or free when they should move and don't?

There is a "quirk" in Stepconf that "Test axes" doesn't set the drive "enable" pins.
(Running the full system would, if the enables are configured)

Many stepper drivers have a "not-enable" input, which turns the drive off when high. (It's typically a waste of an IO pin with stepper motors)

If the motors are locked then the drives are enabled, and for some reason the step pulses are not being seen. If they are free then suspect the enable logic.
  • Milkof
  • Milkof
05 Sep 2025 07:37
Replied by Milkof on topic Connecting my 7i96s to the VFD

Connecting my 7i96s to the VFD

Category: Driver Boards


Hi,
I'm manually adjusting the max_output values ​​and the others now, but if I wanted to do everything in pncconfig, where can I find these values?
Thanks.
Milko
  • rodw
  • rodw's Avatar
05 Sep 2025 07:35

Questions about "Auto Zero" in QT_Dragon_HD probe tab.

Category: General LinuxCNC Questions

Changes pushed to 2.9 won't be accessible unless the devs issue a point release. eg 2.9.5
You would probably be better off upgading to master 2.10 branch so you get changes as they happen.
QT dragon is a pretty new GUI and Chris has been beavering away improving it all the time..... :)
  • Hakan
  • Hakan
05 Sep 2025 07:32 - 05 Sep 2025 07:50

Issue with OP Entry Delay and Failures in LinuxCNC + EtherCAT System

Category: EtherCAT

Afaik you need to re-compile the ethercat sever with the --disable-eoe option.
 
  • amanker
  • amanker
05 Sep 2025 07:24 - 05 Sep 2025 10:00

Remora - Rpi Software Stepping Using External Microcontroller via SPI

Category: Computers and Hardware

Using rpi5. I have included my config files also.

Update: This I compiled bootloader version and Installed that. And added Blink in config.txt to test if firmware is working. Yes firmware is working and led is blinking. But Still no connection to RPI5, machine can't come out of estop.
  • 3Draf
  • 3Draf
05 Sep 2025 07:24

StepConf - tandem axe Y - comment configurer 2 moteurs synchrones

Category: Français

Bonjour à tous,
J'ai une découpeuse plasma sous Mach3 et je souhaite l'utiliser avec LinuxCNC.
L'univers de LinuxCNC est nouveau pour moi donc j'avance à petit pas.
Après mes déboires avec l'axe X qui saccadait que j'ai pu régler en augmentant le "Base Period Maximum Jitter".

Je me retrouve dans l'impasse pour l'axe Y, j'ai 2 moteurs en symétrie (donc l'un des deux doit être inversé) mais quelle que soit la configuration des pins (ex: pin4= step Y/ pin 5= dir Y / pin 8 = tandem step Y / pin 9 = tandem dir Y inv), je n'arrive pas à faire bouger les 2 moteurs en même temps.
J'arrive à faire déplacer un moteur soit Y1, soit Y2 et seul celui config en step Y et dir Y fonctionne (juste Y1 s'ils sont configurés pareil).
Est-ce une mauvaise compréhension de ces paramètres ?
Dois-je éditer manuellement les fichiers .hal et .ini ?
Quel est la bonne méthode dans StepConf pour synchroniser 2 moteurs ?

Merci de m'avoir lu,
Raph
  • jackj120
  • jackj120
05 Sep 2025 07:23
Replied by jackj120 on topic Mecanumeric MF2040 LI retrofit (Pantograph)

Mecanumeric MF2040 LI retrofit (Pantograph)

Category: Milling Machines

Ok but, when i'm done with the homing , the machine have a problem with the limits. It's convinced that it have the two meters going to the limit homing switch but after the homing it would have to do go to the others side for two meters. Maybe today i figure out how to do that.
  • onceloved
  • onceloved's Avatar
05 Sep 2025 05:52

Issue with OP Entry Delay and Failures in LinuxCNC + EtherCAT System

Category: EtherCAT

If you are Chinese, add me on QQ: 304394405. If you are foreign, add me on Discord: onceloved.cn
  • ziggi
  • ziggi's Avatar
05 Sep 2025 05:45 - 05 Sep 2025 05:46

Troubles to get started with SD240 Retrofit

Category: Turning

I checked the index signal with a physical oscilloscope (Hameg 303 in this case) and I can see the index signal "fly by"... it is very fast

 

Thank you Andy, I will follow your advice to try to observe both, index-enable signal and hm2_7i80.0.encoder.00.input-index pin in the HAL scope and see if the index-enable pin behaves as you describe it.

Thank you
Sigi


 
  • scotta
  • scotta's Avatar
  • ihavenofish
  • ihavenofish
05 Sep 2025 05:11
Replied by ihavenofish on topic Mini wannabe datron build

Mini wannabe datron build

Category: CNC Machines

I think I'm ready! Hopefully ordering the parts in the next 2 weeks. EEK!








  • tcbmetalworks
  • tcbmetalworks
05 Sep 2025 04:52
Replied by tcbmetalworks on topic 10.5 x 25 cnc plasma table retrofit

10.5 x 25 cnc plasma table retrofit

Category: Computers and Hardware

 

 

Here is red box machine we are modifying into a control center. A keyboard and mouse pad will be secured to the shelf using velcro. Should make for a good cabinet plenty of space and resistant to impact. 
  • amanker
  • amanker
05 Sep 2025 04:25

Remora - Rpi Software Stepping Using External Microcontroller via SPI

Category: Computers and Hardware

Yes. I have cloned latest remora-h7xx-pio repository from remora-cnc. And compiled that. And used config files attached in previous post.
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