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  • tar_san
  • tar_san
09 Jun 2025 05:12
Replied by tar_san on topic Problems with Lichuan Ethercat servo drive

Problems with Lichuan Ethercat servo drive

Category: EtherCAT

Hi, everyone.

Probably, I have a same problem.
I have LC10E V1.11.xml. ( from sellers )

How do you write eeprom V1.11(?) to attached V1.04 to drivers ?

And I'd like to know why do we have to use older version.
  • farmer_mike
  • farmer_mike
09 Jun 2025 04:34
Replied by farmer_mike on topic RTelligent EtherCAT Servo Drive Setup: RS750E

RTelligent EtherCAT Servo Drive Setup: RS750E

Category: EtherCAT

Hi I’ll be following this discussion, as I’m also using rtelligent rs 750E drives. 

I don’t have a config file made yet, so MTate01 is a few steps ahead of me. 
  • Lcvette
  • Lcvette's Avatar
09 Jun 2025 03:45
Replied by Lcvette on topic Cant del Offset table and save

Cant del Offset table and save

Category: QtPyVCP

glad you got it sorted out!
  • Kieran
  • Kieran
09 Jun 2025 03:44
Replied by Kieran on topic weird behavior: homing X messes up Y

weird behavior: homing X messes up Y

Category: EtherCAT

Ok, more Q's.... Im messing with PDO now. i ran ethercat pdos

Warning: Spoiler!


heres my working XML snippet

Warning: Spoiler!



question is, why doesnt it work anymore if i switch from  <pdo idx="1600"> to  <pdo idx="1701"> for example. why is it using 1600 and 1A00 and working even though "ethercat pdos" spits out 1701 and 1Bo1? I want to use something other than 1600/1A00 because they only have a few PDOs available on my servos. they are "variable PDO" according to the manual. Just trying to understand how this all works.
  • unknown
  • unknown
09 Jun 2025 03:26
I've got a problem was created by unknown

I've got a problem

Category: Off Topic and Test Posts

Ok I got a real issue with a forum member and the posts he makes.
Most of the time it's not quite right, other times I feel if other users follow his advice it's going to cost them money, time or absolute worst case possible injury.

What do I do ?
Ignore him
Report him
or something else ?
  • unknown
  • unknown
09 Jun 2025 03:22
Replied by unknown on topic Flyback diode mesa 7i95t

Flyback diode mesa 7i95t

Category: Driver Boards

Using the 12v rail from your PC negates the protection the optos are used for.

I suggest to forget all the BS you've learnt from the Hipster Maker crowd and read & learn by someone that knows his stuff.

This is a good start, written by the guy that designed the TEC-1 sbc back in '83 or '84:
www.talkingelectronics.com/te_interactive_index.html
  • unknown
  • unknown
09 Jun 2025 03:14 - 09 Jun 2025 03:16
Replied by unknown on topic linuxcnc c++ axis gui works!

linuxcnc c++ axis gui works!

Category: General LinuxCNC Questions

Ok we get you don't get Python, they are just libraries, not dependencies, the same as you need libs for C & C++ and other things.

WTF you're dragging up a thread that's over 12 months old and repeating your opinions regarding Python & Java & not adding adding that is of relevance, every time you post it has nothing of importance or relevance.

Yeah I get the irony, but (insert vulgar speech here) you're such a (insert vulgar speech here) waste of space.
  • ring
  • ring
09 Jun 2025 02:19
Five-Axis RTCP Features: G43.4 and G43.5 Equivalents in LinuxCNC was created by ring

Five-Axis RTCP Features: G43.4 and G43.5 Equivalents in LinuxCNC

Category: G&M Codes

Hello everyone,I am a new LinuxCNC user and developer. This time, I would like to use LinuxCNC in combination with my cutting simulation process. I have encountered some problems and would like to know if there are any known solutions in LinuxCNC. If not, I am interested in developing features similar to G43.4 and G43.5.Before we get into the details, let me provide some context. I am running LinuxCNC 2.9.4 on Debian 12 with PREEMPT_RT. Please note that for my simulation process, real-time (RT) capability is not a strict requirement. My simulation uses the configuration from 
configs/sim/axis/vismach/5axis/table-dual-rotary/xyzab-tdr.ini
, which matches the machine type I need.Here is my understanding of the five-axis xyzab-tdr support:
The key is the toolpath (TP) transformation. Five-axis machines are different because they require transforming the workspace coordinates to real joint positions, which involves both forward and inverse kinematics. The xyzab-tdr configuration provides these transformations. The main parameters for these transformations are seven in total: 
tool-offset
, 
x-offset
, 
y-offset
, 
z-offset
, 
x-rot-point
, 
y-rot-point
, and 
z-rot-point
. The 
x-offset
, 
y-offset
, 
z-offset
, 
x-rot-point
, 
y-rot-point
, and 
z-rot-point
 define the machine’s geometry, while 
tool-offset
 functions similarly to Fanuc's G43.4 RTCP (Rotating Tool Center Point) tool compensation.In RTCP, G-code is typically provided in two forms:Fanuc-like:
G43.4 T1
G01 X107.10843 Y-258.10506 Z16.72037 A-82.485727 B-2.152027
G49
G43.5 T1
G01 X118.38752 Y-257.36350 Z-13.21382 I=-0.087062004 J=-0.995672089 K=-0.032516115
G01



Siemens-like:
TRAORI(1)
N23 X131.06394 Y-257.06181 Z-28.17010 A3=-.088284415 B3=-.990423696 C3=-.106145012
TRAFOOF
My questions are:

    

  1. In Fanuc, G43.4 is modal. Does LinuxCNC use the TP transformation as a modal mode as well? In other words, when using five-axis TP, is G43 equivalent to G43.4 in LinuxCNC?
    2. 

  2. The IJK parameters are used for Freeform Surface toolpaths. Does the G-code parser in LinuxCNC support IJK-style input?
    3. 


Thank you in advance for your help and insights!			

		

	





	

		
    
			
  • 
				akim14
			
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  • akim14
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			 09 Jun 2025 01:39					
		

			

				Replied by akim14 on topic LinuxCNC Dual-Head Gantry Setup Assistance Request			

			

				LinuxCNC Dual-Head Gantry Setup Assistance Request			


			

				Category: General LinuxCNC Questions			


			

				I’m not sure if you have any time to spare, but I’d be happy to compensate you for it. Even if you’re not local, I’d be grateful for any kind of remote tutoring or guidance—video call, screen share, whatever works for you.



I’m based in California and have already put a lot of time into getting this setup working, but I’m still stuck. The learning curve has been steeper than I expected, and I really need to move forward.



At the moment, I’m struggling with tuning the driver, displaying the distance between the Z and W axes, and getting the control buttons to function properly. Since you’ve done similar setups, I thought you might be able to help me through some of this and save me from going in circles.



If you can’t do it yourself, I’d really appreciate a referral to someone who’s handled a similar project and could assist remotely. Otherwise, I may end up switching to Centroid just to get our shop running and meet deadlines.			

		

	





	

		
    
			
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				PCW
			
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  • PCW's Avatar
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			 09 Jun 2025 00:57			 -  09 Jun 2025 01:01		
		

			

				Replied by PCW on topic Mesa 7i92T - compiling firmware			

			

				Mesa 7i92T - compiling firmware			


			

				Category: Driver Boards			


			

				OK then the problem is not the firmware (I tried that firmware  with a 7I92TF and a 7I76

and the 7I76 was discovered and operated under LinuxCNC))

but rather a hardware issue, perhaps cabling or 7I92T 5V cable power settings.



Note that hm2_7i92.0.7i76.0.2 is not present in the G540+7I76 firmware I supplied, only

sserial channels 0 (7I76 field I/O) and 1 (7I76 expansion channel) 			

		

	





	

		
    
			
  • 
				jg
			
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  • jg
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			 09 Jun 2025 00:28					
		

			

				Replied by jg on topic Mesa 7i92T - compiling firmware			

			

				Mesa 7i92T - compiling firmware			


			

				Category: Driver Boards			


			

				Hi Peter,

Thanks for the firmware build. I have flashed it to the 7I92T and read back an identical hm2 configuration to the supplied pin file.

Unfortunately the 7I76 is still not coming up correctly; --sserial query finds no devices. Loading the board in hal fails to enumerate the hm2_7i92.0.7i76.0.2. Back to the stock firmware w/ identical hardware configuration and the 7I76 is found.			

		

	





	

		
    
			
  • 
				Kieran
			
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  • Kieran
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			 08 Jun 2025 23:45					
		

			

				Replied by Kieran on topic How ethercat contral a servo device spindle?			

			

				How ethercat contral a servo device spindle?			


			

				Category: EtherCAT			


			

				I would also like to see the config for using a servo as a spindle motor.			

		

	





	

		
    
			
  • 
				PCW
			
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  • PCW's Avatar
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			 08 Jun 2025 23:01					
		

			

				Replied by PCW on topic MESA 7i93 PWM question - motor rotation direction switch			

			

				MESA 7i93 PWM question - motor rotation direction switch			


			

				Category: Advanced Configuration			


			

				What does:



mesaflash --device ethernet --addr [card_ip_address] --readhmid 



report?



 			

		

	





	

		
    
			
  • 
				langdons
			
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  • langdons
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			 08 Jun 2025 22:41			 -  09 Jun 2025 15:23		
		

			

				Replied by langdons on topic linuxcnc c++ axis gui works!			

			

				linuxcnc c++ axis gui works!			


			

				Category: General LinuxCNC Questions			


			

				Python is object-oriented...sort-of.



I agree tho.			

		

	





	

		
    
			
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				langdons
			
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  • langdons
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			 08 Jun 2025 22:15			 -  09 Jun 2025 15:27		
		

			

				Replied by langdons on topic Flyback diode mesa 7i95t			

			

				Flyback diode mesa 7i95t			


			

				Category: Driver Boards			


			

				Also, take advantage of those optoisolators (superfluous though they are) and power the relay board with a totally separate 12V DC supply.



The power supply for the relays does not need to be that powerful.			

		

	




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