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  • ContinenteCNC
  • ContinenteCNC's Avatar
28 Mar 2025 19:14 - 28 Mar 2025 19:49

PCI and PCI-E add on cards with parallel port that work out of the box

Category: Computers and Hardware

Model: PAR5008LVX100
Chipset: Sunix SUN1999
Interface: PCI
Supports PS/2: YES
Supports EPP: NOT TESTED
Supports IN Mode: YES (in PS/2 Mode)
Supports X Mode: NO (Control port pins voltage drops to ~0,3 V when connected to ground through 470 ohms resistor, but pins states won't change)
Tested OS: linuxcnc-2.8.4 / Debian Buster
Tested Computer: Dell Optiplex 760 



  • Hakan
  • Hakan
28 Mar 2025 18:30
Replied by Hakan on topic What is Planet CNC?

What is Planet CNC?

Category: Driver Boards

Better info here
cnc.zone/hardware/controllers/contr-mk3
and here
cnc.zone/tng/tng

There is a demo download, ask the guy from Norway to download and test.
If he is hooked on it he should try it.
  • endian
  • endian's Avatar
28 Mar 2025 18:26 - 28 Mar 2025 19:21
Replied by endian on topic LinuxCNC S-Curve Accelerations

LinuxCNC S-Curve Accelerations

Category: General LinuxCNC Questions

Hello gentlmen,

excuse me but have anybody active project with in the moving stage and can share basic code configuration files please?

I am very interested in the this topic because I am working with Metronix ars servo on my table over profibus and finally I have finished with internal acceleration generator and I need to come with external refrence which should be genereted as I think from the component out of @Grotius workshop ...what and which should be declared for basic workbench setup

Really thank you for your experiences ... that SJOB from @Grotius is MAGIC

Regards... 
  • Grotius
  • Grotius's Avatar
28 Mar 2025 18:12
Replied by Grotius on topic scurve trajectory planner

scurve trajectory planner

Category: General LinuxCNC Questions

Hi Arciera,

The scurve planner takes the [TRAJ] trajectory acceleration : MAX_LINEAR_ACCELERATION = 200
When tpAddLine, tpAddCircle is done, it gives this 200 value to the planner.
The scurve acceleration max is then 2*200=400 at inflection point.

However the planner does not lower the acceleration to a specifik max joint acceleration at the moment.
We have acces to all joint max acceleration values.

We could reduce max acceleration to satisfy max joint acc. We implement this without any problems.
  • Aciera
  • Aciera's Avatar
28 Mar 2025 17:45 - 28 Mar 2025 18:04
Replied by Aciera on topic scurve trajectory planner

scurve trajectory planner

Category: General LinuxCNC Questions

If the acc in the ini file is 50, the scurve is max 2*50=100 at inflection point. This is normal.


But the acc-cmd value reaches ~180?


[edit]

I did do a 'git pull' and reran './installer' but I can check again tomorrow.
  • Grotius
  • Grotius's Avatar
28 Mar 2025 17:20 - 28 Mar 2025 17:26
Replied by Grotius on topic scurve trajectory planner

scurve trajectory planner

Category: General LinuxCNC Questions

Hi Arciera,

Thanks for feedback.
If the acc in the ini file is 50, the scurve is max 2*50=100 at inflection point. This is normal.

However. I run the same file, and i got no spikes.
This is the first corner :
 

Maybe you did not update the clothoid lib? U used clone recursive wich is needed.
Or git is messed up.

For sure i just did a push for scurve planner, clothoid lib, scurve as up to date.
That's annoying when you have 3 repository's depending on each other.
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