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I tried with longer jumper wires but got the same error. I have the 2.8.1 version of linuxcnc so I will try what you suggested. Thanks for the speedy responses

Hi friend... I'm glad someone pointed me to your post!
My case is exactly the same. I've been trying for 5 months and I'm about to give up on ethercat.
I'm at the same point as you were, I can identify the servo on the network but I can't read or write without it saying that it stays in PREOP and doesn't go away.
I saw that you shared it but I'm a beginner, how should I use these files you sent? Could you please detail if I should replace everything or what to do?

So, I can find ethercat slaves and they appear there, but I'm stuck in communication. Would you be willing to do remote access to help me? I can do it for a fee too... because I'm already one step away from giving up, 5 months trying...

Hi,
Is that project still working ?
if so, may I ask for an link (in case you put it to grabcad)

bertoldo wrote:

I'm disoriented
 

look here it might give you a starting point

The error means the GRUB is OK and working but the installation was done on a drive that no longer exists, probably into a USB device.
For RTAI see:
linuxcnc.org/docs/2.9/html/getting-start...#cha:Installing-RTAI

2 options I can think of would be to add either
a 7I87 (8 channel  sserial analog +-10V input card)
or a THCAD2 (0 to 10V voltage to frequency card)

The THCAD2 frequency would be read by a encoder input

 

 Hello,

First, thank you for the awesome work

I retrofiter a lathe and kept the original panel/keyboard. 
This was a conversational lathe so I have keys for lathe operations such as facing etc.
I use the arduino-connector project so I'm able to define the key as an input in hal or as a keystroke or a text.
Do you think it's possible to bound a key with a macro in the cycle tab directly with one of the 3 options above?
https://media.discordapp.net/attachments/970073318810075149/1280467345164468286/IMG_20240818_085127.jpg?ex=66e40d25&is=66e2bba5&hm=6ccd4d7b9c719ef5497b92814fa29b2ab450d865d01bd02bf1aa06a6b54bb721&=&format=webp&width=900&height=676

Thank you for the response, Tommy.

I had tried all of those before actually. I hadn't looked into adjusting the shared memory, so I tried that now, but there doesn't seem to be an option for that at all. It seems it is a pretty locked down BIOS...

Did more reading and it seems that switching to the RTAI kernel is a solution for some. I figure it's worth trying out before I look into buying a new onboard PC entirely. I tried to install it on a fresh Debian Bookwork install as suggested in the docs and did the instructions from the README.INSTALL . However, I am not able to boot properly into the newly created grub kernel entry still. There is some error of the root device not being able to be mounted properly? Even though the Debian install still works with no issues. I'm attaching a photo of the error as well.

Is there some sort of better guide on how to install the RTAI kernel and LinuxCNC on it?

Probably the easiest way to add the PWM spindle control
is to hand edit the files, one way to do this is to create a
configuration for some more common hardware with a PWMgen
(say a 5I25 + G540) and copy/paste its spindle
hal and ini file sections into your 7I95 configuration.

The loss of communications is concerning. Is there any indication
of something going wrong on the 7I95T LEDs when this happens?

 

If you are not able to jog the motors then your problem is most likely with the ethercat setup itself. The kinematics (ie scarakins) has nothing to do with ethercat communication whatsoever.

Hello everyone

I am using the 7i77 electronic board with the analog output AOUT1 connected to an analog drive on the Z axis.

The Z axis is the part that moves the punch of a punching machine.

This punch makes a downward movement with up to -10 volts and an upward movement with +10 volts. This movement perforates the metal sheet.

This Z axis of the machine has a magnetic sensor that detects the movement of the Z axis.

This sensor has an output connected to the INPUT0 input of the 7i77 electronic board that shows when the Z axis is moving upward.

The voltages of this magnetic sensor on the Z axis have a high limit of 10V, when the Z axis is moving downward the low limit is 0V.

Does anyone know how to configure the HAL configuration of LinuxCNC so that the 7i77 electronic board recognizes an analog input as feedback from the Z axis movement encoder?

magnetic sensor technical data:

BALLUFF  magnetic sensor BTL5-A11-M0060-P-SA224-KA02

Recordable speed, max. 10 m/s

Repeatability accuracy ± 10 µm

output voltage 0 ... 10 V


link  publications.balluff.com/pdfengine/pdf?i...anguage=pt&type=kmat


Does anyone know how to configure the HAL configuration of LinuxCNC so that the 7i77 electronic board recognizes an analog input as feedback from the Z axis movement encoder?

I've tried two different cables. Ping to 10.10.10.10 would respond after power cycling, but it would stop after a few minutes. HMID read seems to confirm the stepgens and pwn on P1 connector.

Do I need to attach the 5abob card for this firmware to work? I've ordered a 7i75 Breakout/FPGA Protection Card, and it will come in a few days.

I have a small problem, I am in diameter mode G7 on my lathe but when I jog 1mm (X axis) the turret moves 1mm on the radius or 2 mm on the diameter.
Is there something I'm forgetting to do?

Dr. Stein, how are you?

Could you share how you managed to communicate the ethercat drivers and the scara cinematics? I've been doing this for months without much progress.