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  • meister
  • meister
03 Jul 2025 18:13
  • PCW
  • PCW's Avatar
03 Jul 2025 18:13

scaling for machine units per second at 10V

Category: General LinuxCNC Questions

52 IPS sounds really fast, what kind of machine is this?
  • PCW
  • PCW's Avatar
03 Jul 2025 18:01
Replied by PCW on topic Configuración thcad2 con mesa 7i96s

Configuración thcad2 con mesa 7i96s

Category: General LinuxCNC Questions

If the external resistor value is correct (2.4M) that's not
possible. It may be that there is enough RFI/EMI that
the voltmeter is malfunctioning.
  • PCW
  • PCW's Avatar
03 Jul 2025 17:52
Replied by PCW on topic Rote LED

Rote LED

Category: Deutsch

Not sure why you are getting dropped packets, might be hardware related
though the NUC didn't drop packets. 
  • Hakan
  • Hakan
03 Jul 2025 17:39 - 03 Jul 2025 17:40

PID tuning when you have a tuned Servo in CSP mode?

Category: EtherCAT

One line of thought, not the only one for sure, is to run the servo without a linuxcnc control loop. The drive tuning is what determines the precision.

There is unfortunately a delay in the linuxcnc Ethercat loop of one or two cycles, I think two.
So the actual position is old already. At high travel speeds the following error can be two cycles times multiplied by the speed off.
Without it being wrong in any way, just by delays.
  • HansU
  • HansU's Avatar
03 Jul 2025 17:15
Gmoccapy 3.5.1 was created by HansU

Gmoccapy 3.5.1

Category: Gmoccapy

New Version on the way - now the chance to work in your comments...

github.com/LinuxCNC/linuxcnc/pull/3494
  • Johnnysacalu
  • Johnnysacalu
03 Jul 2025 16:01
Replied by Johnnysacalu on topic Configuración thcad2 con mesa 7i96s

Configuración thcad2 con mesa 7i96s

Category: General LinuxCNC Questions

Ahora otra pregunta yo mido con un multimetro la salida del plasma la que va al thc lo mido en DC y me da mas de 600V que es en maximo de mi multimetro asi que no se cuanto exactamente, tengo una resistencia de 2,4 mohm en serie en el “negativo” si mido después de la resistencia me da 104V.

Que tengo que hacer?
  • cmorley
  • cmorley
03 Jul 2025 15:54 - 08 Jul 2025 01:16
Replied by cmorley on topic Import pin value in handler.py

Import pin value in handler.py

Category: Qtvcp

No.
to write to a pin you made in qtdragon handler depends on how you made a reference to it.
for instance if you created the pin like this:
self.myPin = QHAL.newpin("MyPin", QHAL.HAL_BIT, QHAL.HAL_OUT)

then you could use:
self.myPin.set(True)

or it you didn't keep a reference to the pin (the 'self.myPin' part)
self.h.myPin.set(True)

To write to a system pin directly (it can't be connected to anything)
QHAL.setp('qtdragon.myPin','1')

or
self.h.hal.set_p("qtdragon.myPin","1")
  • tommylight
  • tommylight's Avatar
03 Jul 2025 15:31
Replied by tommylight on topic homing with Phase Z encoder on MESA 7i96s

homing with Phase Z encoder on MESA 7i96s

Category: Advanced Configuration

Topic separated, finally.
@JackRay,
Please refrain from tainting existing topics with unrelated content, start a new topic next time.
Thank you.
  • Tim Bee
  • Tim Bee
03 Jul 2025 15:27

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

Category: Computers and Hardware

Dear meister:
 when I updated RIO, I got error:

riocomp.c: In function ‘register_signals’:
riocomp.c:692:52: error: ‘data_t’ has no member named ‘SIGIN_QUADENCODERZ0_INDEXOUT_INDEX_RESET’; did you mean ‘SIGIN_QUADENCODERZ0_INDEXOUT_not’?
  692 |     if (retval = hal_pin_bit_newf(HAL_OUT, &(data->SIGIN_QUADENCODERZ0_INDEXOUT_INDEX_RESET), comp_id, "%s.quadencoderz0.indexout-reset", prefix) != 0) error_handler(retval);
      |                                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                                    SIGIN_QUADENCODERZ0_INDEXOUT_not
riocomp.c:694:52: error: ‘data_t’ has no member named ‘SIGIN_QUADENCODERZ0_INDEXOUT_INDEX_WAIT’; did you mean ‘SIGIN_QUADENCODERZ0_INDEXOUT_not’?
  694 |     if (retval = hal_pin_bit_newf(HAL_OUT, &(data->SIGIN_QUADENCODERZ0_INDEXOUT_INDEX_WAIT), comp_id, "%s.quadencoderz0.indexout-wait", prefix) != 0) error_handler(retval);
      |                                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                                    SIGIN_QUADENCODERZ0_INDEXOUT_not


Tim
 
  • tommylight
  • tommylight's Avatar
03 Jul 2025 15:26 - 03 Jul 2025 15:28

Tuning stepper motors with encoder or glass scale feedback

Category: Advanced Configuration

Moved and separated
-
Do NOT post random stuff here. Thank you.
  • PCW
  • PCW's Avatar
03 Jul 2025 15:11

homing with Phase Z encoder on MESA 7i96s

Category: Advanced Configuration

Can you:

1. Post your current hal and ini files

2. When homing B use halshow to watch joint.3.index-enable
and report it's behavior

joint.3.index-enable should get set true (yellow) when B homing starts
and get cleared at the index
  • Edi_48
  • Edi_48
03 Jul 2025 15:00
Replied by Edi_48 on topic Rote LED

Rote LED

Category: Deutsch

Hallo ich habe wieder einen Fehler, anderer Rechner AMD 3500
Mit Realtec Chipsatz, DKMS Treiber installiert. Ehternet Verbindung steigt mitten im Programm aus. Was kann ich noch tun

60000 packets transmitted, 59995 received, +5 errors, 0.00833333% packet loss, time 60033ms
rtt min/avg/max/mdev = 0.052/0.106/0.265/0.030 ms, pipe 2
  • Murphy
  • Murphy
03 Jul 2025 14:56

Remora - ethernet NVEM / EC300 / EC500 cnc board

Category: Computers and Hardware

Remora/Ec500 now running a Denford Triac Mill. Homing/limits/emergency stop/axis and spindle sorted. Need a relay to wire in the coolant pump.

I originally had this running on a cheap eBay BOB using the denford drivers. When I switched over to the EC500 I could not get the driver working correctly with the EC500. After many attempts with different IC and board configurations I gave up trying to use the denford drivers and bought DM556T drivers. Still on the denfords motors.

Monitor is a cheap Amazon touchscreen, worked without any messing around.

  • jhandel
  • jhandel
03 Jul 2025 14:41

PID tuning when you have a tuned Servo in CSP mode?

Category: EtherCAT

finding a thread from like 2023, it looks like what I am seeing is processing delay between ethercat and where LinuxCNC thinks things should be... The actual servo error rate (according to its software's scope) is less than 4 steps out of 1280 steps per mm)..

I did some napkin math and 5mm ferror suggests a processing delay of .0083 seconds. Does that sound reasonable or should I be looking somewhere to bring that delay down?

Thanks
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