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  • juliankoenig87
  • juliankoenig87
07 Jun 2025 11:28 - 07 Jun 2025 11:29
Replied by juliankoenig87 on topic Umbau der Steuerung auf LinuxCNC + EtherCAT

Umbau der Steuerung auf LinuxCNC + EtherCAT

Category: Deutsch

Ja auf jeden Fall. Kein Laptop.

Thinkcentre tinys, Fujitsu esprimos, einiege Intel NUCs und wie erwähnt Raspberries sind geeignet.

Je nach gui reicht nen 4er raspi nicht mehr so richtig und es sollte ein 5er sein.

Ethercat oder nicht ist für die hardware (leistungsmäßig) quasi egal. Jitter ist bei 1ms Servothread gut in den Griff zu kriegen mit allen genannten obigen Rechnern. Man muss aber schon wissen was man macht.

Netzwerkgeschwindigkeit wie sonst für Mesakarten ist dir ja in deiner Konfiguration egal. Ich bin bei ethercat nicht fit, aber Guido hat in seinem Git was online was läuft...

github.com/GuiHue/EtherCAT-CNC-HMI
  • MaHa
  • MaHa
07 Jun 2025 10:53
Replied by MaHa on topic Position: relative expected

Position: relative expected

Category: General LinuxCNC Questions 

MaHa, why you up so early?


I was completing and testing my new parameter subroutine for helical inside or outside contour ramp, adjustable stepover and x/y/z allowance finishing cut. Took the whole night to iron out some misbehaviour

 
  • jhandel
  • jhandel
07 Jun 2025 10:49
Replied by jhandel on topic IO Questions around mixing IO between Ethercat and Pi 5?

IO Questions around mixing IO between Ethercat and Pi 5?

Category: EtherCAT

if I can take any two inputs and turn them into an MPG encoder in the HAL then could I just take two inputs from the EtherCat side?

I was thinking I would need to be running on an realtime thread to do encoder counting due to some timing issues between "listening" to A and B ticks.. But if the Pi GPIO can run on the Servo thread and 1ms is fast enougn, then it should be fast enough for the ethercat IO too right??
  • WKS-3D
  • WKS-3D's Avatar
07 Jun 2025 09:40
Replied by WKS-3D on topic Umbau der Steuerung auf LinuxCNC + EtherCAT

Umbau der Steuerung auf LinuxCNC + EtherCAT

Category: Deutsch

Hallo Uwe,

ich kann dir leider nichts zu Ethercat sagen, davon habe ich keine Ahnung, aber ein Laptop ist denkbar schlecht für LinuxCNC da es auf Stromsparen getrimmt ist und es somit zu Problemen mit LinuxCNC kommen kann. Man sollte nach der Installation immer den Latency-Test machen um zu sehen ob das System den Anforderungen gerecht wird. Ich selber habe 3 PCs ausprobiert, bis ich einen hatte wo der Latency-Test in Ordnung war.
Es kommt auch sehr auf die verbaute Netzwerkkarte an, es gibt Chipsätze welche mehr oder weniger gut funktionieren.
Wie es mit einem Raspi und LinuxCNC aussieht, kann ich für eine Fräsmaschine nicht sagen, aber ein Freund hat eine Drehmaschine (2 Achsen und die Spindel) und er hat einen Pi5 im Einsatz und es funktioniert.

Viele Grüße
Olli
  • Mecanix
  • Mecanix
07 Jun 2025 08:52
Replied by Mecanix on topic HSMworks Alternative?

HSMworks Alternative?

Category: CAD CAM

Anything with the CAM letters in the product name/brand will do equally well for a 3ax. Starts to get picky at the 4ax simultaneous and becoming dangerously difficult to chose the right package for a 5ax.

For 3ax they all (most) do adaptive, rough to finish and comp nowadays. Pick any really...
  • tommylight
  • tommylight's Avatar
07 Jun 2025 08:37
Replied by tommylight on topic QTPlasmac pierce delay handling

QTPlasmac pierce delay handling

Category: Plasmac

Is ARCOK signal wired to plasma or derived from THCAD?
  • Soccer Kid
  • Soccer Kid's Avatar
07 Jun 2025 07:31 - 11 Jun 2025 01:11
（resolved）The "classicladder numPhysInputs" parameter does not take effect. was created by Soccer Kid

（resolved）The "classicladder numPhysInputs" parameter does not take effect.

Category: ClassicLadder

Hello everyone, when I was configuring the calssicladder, the number of corresponding physical inputs was always limited to no more than 16 points.

debug:
linuxcnc TPMOD=tpmod HOMEMOD=homemod EMCMOT=motmod
Note: Using POSIX realtime
Found file(REL): ./L510G_servo.hal
*** hal/components/xyzab_tdr_kins.comp setup ok
Found file(REL): ./calssicladder.hal
creating ladder-state
./calssicladder.hal:87: Pin 'lcec.1.input.in1-16' does not exist
Shutting down and cleaning up LinuxCNC...


Due to my negligence, the bed used an unknown PIN-16... This was not caused by a software issue.
  • partec
  • partec
07 Jun 2025 06:18
Replied by partec on topic cam_align

cam_align

Category: Qtvcp

Apparently lost after upgrading to 2.9.4, can you check again, please?
  • Chorca
  • Chorca's Avatar
07 Jun 2025 06:14 - 07 Jun 2025 06:16
Replied by Chorca on topic Wiring up for 7i92T reflash

Wiring up for 7i92T reflash

Category: Driver Boards

I spent some more time on this tonight and after fixing some Python bugs and rechecking the wiring again, I hooked up my logic analyzer and verified that communication appears to be happening on the JTAG lines, I see mostly TDI with some responses on TDO, and clock signals appear to be working too.

I've done a quick drawing of how things are connected with the FT2232H Mini Module, as the pinout for the ports seems to differ from that of the FT4232H, and after checking the pins just to be safe, I see no data coming out of them, so I assume this setup is correct, matching port for port between the two modules.

I can run init95t and it seems like it attempts to program, and then cause a reset of the board, but the board goes right back into the same mode, with /DONE lit constantly, and no link lights on the ethernet:

./init95t  
Programming using Board Profile: Generic Board Profile Using FT2232H
jtag programming started!
JTAG Programming on ftdi://0x0403:0x6010:FT9MCMFR/2
Programming 'outflow/seveni95t.bit' via JTAG at freq 3.0 MHz
Device ID read from JTAG: 0x00210A79
... finished with JTAG programming
waiting for reset
Old Name:  
Connection timed out

I'm not sure why it's not liking the file being programmed but I also attempted with the ethernet jumpers in various positions, and had no luck with that either.
Not sure if there's anything obvious wrong with this setup... I've attached a schematic of the wiring and the saleae Logic file as well as a picture of the logic capture. 

I should specify that the pin numbers used in the drawing are the ones from the datasheet and the ones on the JTAG match up with what is listed in the manual for that board.
  • BlownCorona
  • BlownCorona
07 Jun 2025 04:40 - 07 Jun 2025 07:22
Replied by BlownCorona on topic Mesa 7i97T & LinuxCNC setup struggles

Mesa 7i97T & LinuxCNC setup struggles

Category: Installing LinuxCNC

im starting to think i might have something else going on.

with your point in the right direction and reading the documentation again, this time having had more exposure to terminology, i can find the modes and how to switch them. ive looked into the above three options and i think for now atleast i will run them as is, in torque mode.

Ive since double checked the servo drive settings and balanced it all so there is no movement when enabled. the drives also have a handy test option which internally feeds a +/-10v signal into the input for testing, this confirms the drive is set well and the motor functions very nicely. in fact the settings I landed on are near enough exactly the same as the remaining two untouched, as delivered, pulled from working machine (which much have been setup to run torque mode.

however when it comes time to have linuxcnc command movements, nothing is really behaving as i would expect, and i cant even begin to work through your above torque mode tuning process, because if i put even a 1 in the D field i get instant following error and a blip on the motor (P & I - 0), FF1 tried several 0 thru 1 ect), deadband 0.0001

ive confirmed its not runaway, because changing the sign on the scale makes that blip noticeable worse, presumably this is runway before the following error cuts it off.

the servo drive is now back in the same configuration it was when i began trying to incorrectly tune with tommys velocity mode guide so all info with reguard to some unstable movements with low P value, is still relevant, nothing useable though. Ive attached hal and ini files incase relevant.

given my struggles have quickly moved on from software installation into the seemingly typical noob hardware problems, if the mods would prefer to move this into a more appropriate channel that's fine by me. 

as always, thanks for everyones help, as a try DIYer, please know how much it hurts to ask for help and how needed that help is, if im asking 
File Attachment:
  • Kieran
  • Kieran
07 Jun 2025 04:13
Replied by Kieran on topic weird behavior: homing X messes up Y

weird behavior: homing X messes up Y

Category: EtherCAT

DUH...... I think i fixed it.

COORDINATES = X
changed to
COORDINATES = XY


KINEMATICS = trivkins coordinates=X
changed to
KINEMATICS = trivkins coordinates=XY

oops.

weird how it didnt error out.
  • Kieran
  • Kieran
07 Jun 2025 04:05
Replied by Kieran on topic weird behavior: homing X messes up Y

weird behavior: homing X messes up Y

Category: EtherCAT

Warning: Spoiler!




Warning: Spoiler!


Warning: Spoiler!
  • Kieran
  • Kieran
07 Jun 2025 04:01
weird behavior: homing X messes up Y was created by Kieran

weird behavior: homing X messes up Y

Category: EtherCAT

Hey Guys. Im working on my A6 stepperonline servos on the bench currently. I got one axis going. Im trying to get a second axis involved. I got it working and linuxcnc launches without fault. I can jog both axis slowly before homing. I can home joint1 (Y) and still able to slowly jog. once I home X, I can jog it quickly, but cant jog Y at all. and if I fight the Y servo (its holding position), there doesn't appear to be any encoder feedback either once x is homed.
  • epineh
  • epineh
07 Jun 2025 03:42
Replied by epineh on topic LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)

LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)

Category: Computers and Hardware

Hmm I am usually more of a bad influence than inspiring but I'll take it haha.

That sounds awesome, are you aiming at using this for faster inputs/outputs that aren't suitable for shift registers/modbus/I2C ?

So theoretically if someone had a 6 axis closed loop to the controller milling machine the second FPGA could be used for the encoder feedback and maybe some extra IO?
  • kworm
  • kworm
07 Jun 2025 02:50
QTPlasmac pierce delay handling was created by kworm

QTPlasmac pierce delay handling

Category: Plasmac

Hi,

I just got QTPlasmac (2.10 using buildbot instructions) going and starting to make some test cuts.  My plasma cutter (Thermal Dynamics Cutmaster 60i) has a ~2 second delay for gas purge before the pilot starts.  That means I have to add whatever actual pierce delay I need to the two seconds making it, for example, something like 2.5 seconds. After the cut is made there is post flow for 20 seconds and if you start a cut while post flow is active there is no delay and the pilot lights immediately making the pierce delay too long.  When the post flow stops after 20 seconds then the 2 second delay is back.  I know I could have two different materials... one for first cut and one for additional cuts and have my Fusion 360 post processor change materials but that seems like a bit of a hack.  Is there a way I could handle this in hal/script/component?
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