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  • onceloved
  • onceloved's Avatar
16 Dec 2024 13:54

Home position using ethercat servo position (absolute encoder value).

Category: General LinuxCNC Questions

There is a setting in the driver to set the current position as the origin. It can be operated through the panel. I don't know what brand of driver you are using.
  • spumco
  • spumco
16 Dec 2024 13:53 - 16 Dec 2024 13:54
Replied by spumco on topic Rotary Selector Switches & Resistors

Rotary Selector Switches & Resistors

Category: General LinuxCNC Questions

ARRGH!

Had a nice response, forum editor kicked me in the fork.  I'll try again shortly.
  • Ricoch3T
  • Ricoch3T
16 Dec 2024 13:52
Replied by Ricoch3T on topic Encoder belt

Encoder belt

Category: CNC Machines

I'm glad you were having a hard time also. I searched for a couple days before I finally decided someone here has seen these before. I had no idea what to really search for honestly.

Thanks for the link, I'm pretty sure if I can figure out the sizing these will work
  • kjlty
  • kjlty
16 Dec 2024 13:37
Replied by kjlty on topic Large File Memory

Large File Memory

Category: Other User Interfaces

I don't think plotter is a must-have feature, and if you can optimize the responsiveness of the Flex GUI to large files, then it's perfect. Thank you!
  • horcsab
  • horcsab
16 Dec 2024 13:34
Hal connection was created by horcsab

Hal connection

Category: Basic Configuration

Hi All,
Please help me!
I have promblem and I don't understand hal net command.
I always get an error in the lubrication section.

# LUBRICATION
# Oil level check
net oil_level_ok FUW400-5A-75E.gpio.26.in-not => and2.0.in1
net oil_low_warn FUW400-5A-75E.gpio.26.in-not => not.0.in
net oil_low FUW400-5A-75E.gpio.26.in-not => msg.trig

I get this error in second line: Pin 'FUW400-5A-75E.gpio.26-not'  was already linked signal 'oil_level_ok'.


If I try this:
net oil_level_ok FUW400-5A-75E.gpio.26-not
net oil_level_ok  => and2.0.in1
net oil_low_warn oil_level_ok => not.0.in
net oil_low oil_level_ok => msg.trig

I get this error message in second line: Pin 'oil_level_ok' does not exist 

How do I fix it to make it work?
Thanks!
 
  • meister
  • meister
16 Dec 2024 13:24

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

Category: Computers and Hardware

that's exactly the problem, the 'high Z mode',
this is not a defined state and is susceptible to malfunctions of all kinds.

at best, you can listen to the radio on the stepper ;)
  • kjlty
  • kjlty
16 Dec 2024 13:16
Replied by kjlty on topic Large File Memory

Large File Memory

Category: Other User Interfaces

Deleting the plot page in QT-Designer has no effect.
  • PatJac
  • PatJac
16 Dec 2024 13:07
Replied by PatJac on topic Real-Time Kernel with Orange Pi 4 LTS

Real-Time Kernel with Orange Pi 4 LTS

Category: General LinuxCNC Questions


Despite all my efforts, I was unable to successfully build a real-time version of Armbian.

Same here , mainly focusing on kernel 6.12 .
Armbian forum could be a better choice as where to ask for compiling help .
opi4's should be some ok sbc to get decent latency , as some geeks & nerds do it
on less powerful sbc !!
Compiling , for me , often been a kind of hit-and-miss intimidating affair , despite it seems so obvious to some .
  • MirkoCNC
  • MirkoCNC
16 Dec 2024 13:02 - 16 Dec 2024 13:02

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

Category: Computers and Hardware

@ meister

Understood, but it is not the FPGA itself as it keeps the pins in high Z mode during power up and flashing until the programmed logic takes over.

Another way than just having on all pins the resistors could be just one pull-down resistor on the OE pin of the voltage translaters. It is set high / enabled by one FPGA output pin after the logic has taken over.
  • csurimilan
  • csurimilan
16 Dec 2024 12:51
Stepper motor Speed was created by csurimilan

Stepper motor Speed

Category: Basic Configuration

Hello,

I have a question about the speed. Im using LCNC and its working good, but i want to ask someone who has more knowledge about the speed settings. Im using a Nema23 (200step/rev) with 1/32 microstepps. Motor driver is a DM556. Leadscrew pitch is 5mm. Board is a EC500 with remora software.
My Scale factor should be 1280, if im not wong.
Im trying to speed up my machine but its not that fast how i thought it will be. until 1800mm/min (70inch/min) working good but if i want to speed up to 1900mm/s or 2000mm/s (above 1800mm/s) i got an error. "Joint must be unhomed, jogged into limits,rehomed". i didnt reached any limit and if i go with a lower speed, im not getting any error.
i would be thankful if someone could light me up.

 

 
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