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  • tommylight
  • tommylight's Avatar
30 Nov 2024 23:56
Replied by tommylight on topic Plasma and Ethercat?

Plasma and Ethercat?

Category: Plasma & Laser

The ”whole” idea is to stabileze the molten hafnium, tungsten or whatever the electrode material is.

Hafnium does not melt, it erodes.
Would not be much use molten, and to get it to melt, the surrounding copper electrode would have melted loooooong before hafnium.
-
PCW is trying to explain the induction phenomena that happens when applying voltage to a coil and then cutting it, the coil will induce current on it's own.
Find an electromagnet, apply some voltage to it and cut the voltage while watching the scope, it is amazing what voltages can be produced by it, way beyond what has been applied.
  • RDA
  • RDA
30 Nov 2024 23:39
Replied by RDA on topic Plasma and Ethercat?

Plasma and Ethercat?

Category: Plasma & Laser

Sorry not sure what you mean, but when the arc is turned on or off its done in a controlled way. The ”whole” idea is to stabileze the molten hafnium, tungsten or whatever the electrode material is.

I think we are tallking about different things, sorry about that.
  • DeckelCNC
  • DeckelCNC
30 Nov 2024 22:54
Replied by DeckelCNC on topic Leadshine EL8 Servo Drives - EtherCAT

Leadshine EL8 Servo Drives - EtherCAT

Category: Advanced Configuration

Hi kworm !
Everything has been good with the drive, tuning and movements through the drive have worked without issue.
i had to config the PDO's also so that all appeared to work...

using the Leadshine motion studio software
I do see the Control Word = 0x0
and the Status Word is 0x410 so it looks like the LinuxCNC EtherCAT Master is not trying to put the drive into operational ?
  • NCPatrol
  • NCPatrol
30 Nov 2024 22:43 - 30 Nov 2024 22:43
WTB: 7i92 or 7i92h was created by NCPatrol

WTB: 7i92 or 7i92h

Category: User Exchange

Looking for one or the other.   Trying to update a Tormach machine and was a little disappointed to learn that the 7i92th is not a direct replacement for the earlier cards. 

Will purchase, or if you can use an 7i92th, I'll trade for one of the earlier versions! 
  • tommylight
  • tommylight's Avatar
30 Nov 2024 22:40
Replied by tommylight on topic Small touchscreen display 7-10' -> 14-16"

Small touchscreen display 7-10' -> 14-16"

Category: General LinuxCNC Questions 

So it looks like the Pi OS can see that port, (Bus 002 Device 001)
That is the HUB inside the PC/RPI, there is nothing that can be touch related there.
Some of my laptops show "Wacom Co. LTD" as they have touch and pen.
  • kworm
  • kworm
30 Nov 2024 22:24
Replied by kworm on topic Leadshine EL8 Servo Drives - EtherCAT

Leadshine EL8 Servo Drives - EtherCAT

Category: Advanced Configuration

Your mappings look ok. I'm not familiar with Leadshine drives but have you tried the drive software? If you can connect it while LinuxCNC is going you may be able to see what is preventing it from going OP. You could also use the software without LinuxCNC running and make sure you can get motion.
  • Roobarb
  • Roobarb
30 Nov 2024 21:59
Replied by Roobarb on topic Touchy error

Touchy error

Category: Other User Interfaces

Ah, that looks interesting...food for thought...
  • DeckelCNC
  • DeckelCNC
30 Nov 2024 21:56
Replied by DeckelCNC on topic Leadshine EL8 Servo Drives - EtherCAT

Leadshine EL8 Servo Drives - EtherCAT

Category: Advanced Configuration

Just fixed an obvious mistake
net x-statusword lcec.0.0.cia-statusword => cia402.0.statusword

all changed to reflect number idx= 4 from .xml
like the below
net x-statusword lcec.0.4.cia-statusword => cia402.0.statusword

LinuxCNC is now opening but the drive is still in Pre-Operational and not moving the motor.
  • Roobarb
  • Roobarb
30 Nov 2024 21:55
Replied by Roobarb on topic Touchy error

Touchy error

Category: Other User Interfaces

Didn't know those existed...
Interestingly yes the SIM ran up no problem.
For those looking for the sim files, they live in :
/usr/share/doc/linuxcnc/examples/sample-configs/sim/touchy
Now, I need to think about why that worked....
  • DeckelCNC
  • DeckelCNC
30 Nov 2024 21:42
Replied by DeckelCNC on topic Leadshine EL8 Servo Drives - EtherCAT

Leadshine EL8 Servo Drives - EtherCAT

Category: Advanced Configuration

Thank you for the reply's

Kworm : i think i have the pdo's right in the drive Vs the terminal output Vs the .xml ? please let me know if i am not understanding correctly. Thank you for your time. 

Warning: Spoiler!


Aciera (sorry i thought it was better to upload files that made no errors, but not actually working)
i have been reading and come across a post about a Youtuber called Marco Reps ? i thought it would be a idea to apply some of the methods i found in these files. so i have changed things from my first post, and i am now getting errors again / LinuxCNC is not opening.  this looks to be the main issue ?  EL8_machine.hal:41: Pin 'lcec.0.0.cia-statusword' does not exist

i have included the Error report + the .xml + .hal + .ini
RUN_IN_PLACE=no
LINUXCNC_DIR=
LINUXCNC_BIN_DIR=/usr/bin
LINUXCNC_TCL_DIR=/usr/lib/tcltk/linuxcnc
LINUXCNC_SCRIPT_DIR=
LINUXCNC_RTLIB_DIR=/usr/lib/linuxcnc/modules
LINUXCNC_CONFIG_DIR=
LINUXCNC_LANG_DIR=/usr/lib/tcltk/linuxcnc/msgs
INIVAR=inivar
HALCMD=halcmd
LINUXCNC_EMCSH=/usr/bin/wish8.6
LINUXCNC - 2.9.3
Machine configuration directory is '/home/edmuser/linuxcnc/configs/sim.axis-3'
Machine configuration file is 'EL8_machine.ini'
INIFILE=/home/edmuser/linuxcnc/configs/sim.axis-3/EL8_machine.ini
VERSION=1.1
PARAMETER_FILE=linuxcnc.var
TPMOD=
HOMEMOD=
TASK=milltask
HALUI=halui
DISPLAY=axis
COORDINATES=X Y Z
KINEMATICS=trivkins coordinates=XYZ
Starting LinuxCNC...
Starting LinuxCNC server program: linuxcncsvr
Loading Real Time OS, RTAPI, and HAL_LIB modules
Starting LinuxCNC IO program: io
libnml/buffer/shmem.cc 320: Shared memory buffers toolCmd and toolCmd may conflict. (key=1004(0x3EC))
libnml/buffer/shmem.cc 320: Shared memory buffers toolSts and toolSts may conflict. (key=1005(0x3ED))
libnml/buffer/shmem.cc 320: Shared memory buffers emcError and emcError may conflict. (key=1003(0x3EB))
emc/iotask/ioControl.cc 786: can't load tool table.
Starting HAL User Interface program: halui
linuxcnc TPMOD=tpmod HOMEMOD=homemod EMCMOT=motmod
Found file(REL): ./EL8_machine.hal
Shutting down and cleaning up LinuxCNC...
Removing HAL_LIB, RTAPI, and Real Time OS modules
Removing NML shared memory segments

Debug file information:
Note: Using POSIX realtime
./EL8_machine.hal:41: Pin 'lcec.0.0.cia-statusword' does not exist
55850
Stopping realtime threads
Unloading hal components
Note: Using POSIX realtime

.XML File

Warning: Spoiler!


.HAL

Warning: Spoiler!


.ini

Warning: Spoiler!

 
  • royka
  • royka
30 Nov 2024 21:36
Replied by royka on topic Real-time kerel not detected on patched 6.12

Real-time kerel not detected on patched 6.12

Category: General LinuxCNC Questions

Alright, I assumed you would have one since you have an rpi image builder. But likely it uses a prebuild from Debian that seems to be patched already.
  • endian
  • endian's Avatar
30 Nov 2024 21:17
Replied by endian on topic Ethercat auto configurator.

Ethercat auto configurator.

Category: EtherCAT

You have not SDO config out of lcnc .. check setup of PDO 60C2 index 2 and 3 ... It has to be setup in your ethercat-conf.xml file .. probably you has wrong timing for sure.. it should happend because of free run of PLC and there is SDO download which are overwriting them 

Try to find my old post with s300 kollmorgen xml setup .. there they are 60C2s with 1ms values
​​
  • kworm
  • kworm
30 Nov 2024 20:54
Replied by kworm on topic Ethercat auto configurator.

Ethercat auto configurator.

Category: EtherCAT

They are running in CSP mode and servos have been tuned. They work fine with 2000us control loop with TwinCAT CNC with the same config. I don't mean to hijack Grotius thread just thought I would see if you had seen this.
  • scotta
  • scotta's Avatar
30 Nov 2024 20:40
Replied by scotta on topic Remora - NVEM / EC300 / EC500

Remora - NVEM / EC300 / EC500

Category: Computers and Hardware

Could you leave a copy of the nvmpg cpp on your github? I'm thinking about creating my own mpg but only with buttons and I would like to study the programming that was used in it to be the starting point.

Hi, there is no cpp source code for the NVMPG. I decompiled the extracted firmware and managed to find the serial transmission section. The communication protocol was derived from that. The attached spreadsheet simulates the protocol. You should be able to use that for your purpose or alternatively look at the code of the NVMPG LinuxCNC component.

github.com/scottalford75/Remora-NVEM/blo.../MPG%20protocol.xlsx

 
  • slowpoke
  • slowpoke
30 Nov 2024 20:22 - 30 Nov 2024 20:50
Replied by slowpoke on topic Small touchscreen display 7-10' -> 14-16"

Small touchscreen display 7-10' -> 14-16"

Category: General LinuxCNC Questions

Okay, I'm going to ask on a long shot.......

At the moment I have a RapberryPi4 with Axis installed and it's displaying just fine on an Amazon special 15" touchscreen. Resolution is set to 1024x768.

The problem is that pretty much all the new touchscreens on Amazon use USB-C as the preferred communication link for video, audio and touchscreen data. However they also have a HDMI port and that seems to work just fine for the video (I'm totally happy with the resolution/clarity etc). They also claim if using the HDMI port for video that you need to use a USB-C port for the touch data. Pi had 4xUSB-A ports, however according to this video....

The guy claims that If you power the Pi via the expansion connector instead of the regular power connector that happens to be a USB-C you can then use that USB-C port for data transfer. So I tried it and still no touch feature. I'm guessing Linux is unaware of this USB-C port and with it connected to the touchscreen it is not visible when I look at the devices  under Mouse and Touchpad in settings (I do see the mouse and keypad I have connected to the USB-A ports) as well as the the two hdmi ports.

To try and gain some insight to that port I swapped out the LinuxCNC SD and instead ran the Pi OS, and lsusb yields:
 

So it looks like the Pi OS can see that port, (Bus 002 Device 001)
Any chance I can somehow enable that USB-C port in LinuxCNC, to allow getting the touch data back to LinuxCNC?
 
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