Advanced Search

You do not absolutely need to have switches on a gantry
but if not, you need to use an "immediate" homing setup:


linuxcnc.org/docs/html/config/ini-homing.html#_immediate_homing


 

Hi Chris,
yes, it is now. I'm going to start a few experiments now. Thank you very much for your tip!

Peter

So, I will need to install physical limit switches to the table for this homing setup?
Is there a tutorial and were for wiring limit switches correctly to the control board ST-V3. As I do not have any switches install at this time. It never needed them when I had the table setup for Plasma cutting. Now I have changed to Router it seems that this is an issue.

You need to keep name  for axis z as joint2. I noticed in your ini file you using the name joint 1 that should 2.
For the exposed pin from the vista pedant keep the names of the axis as number example vc-p1as.axis.0,
I attached revised hal file check for typos
revise your own ini file for joint names (numbers)

edit:
have read through this thread:
forum.linuxcnc.org/38-general-linuxcnc-q...ling-to-share#261003

 

Hi all;

I've been converting from MACH3 to LCNC. In MACH3 I had configured an XY positioning laser using a macro that would allow me to jog to the program zero for a given project, then once positioned at the appropriate point I would click on a button that would calculate the X/Y offsets, move the spindle to the true program zero then set the G54 X/Y DROs to zero. This was very fast and accurate way to perform this task and along with a tool probe to zero the Z axis, program home is quickly established.

I would like to do something similar adding a button in the pyVCP to turn on the laser and once positioned a second button to compute the offsets, move the spindle to program zero, set the X/Y DROs to zero and turn off the laser.

Searching the forum, I've not found any info to work from. Has anyone configured a positioning laser on their system?  I'm a little rusty on my Python, but I can get back into it quickly or would classic ladder be a better option?  Any help would be greatly appreciated.

Kind regards

Thanks Peter.,

There was no change after adding chokes at both ends of the RS-485 wire. Checking the wire I discovered that it was not shielded. Ordered a few feet of 18 gauge shielded wire for CNC VFD use. First attempt I received the wrong wire. Finally got the right wire today.

After installing ferrules on both ends with minimum wire exposed and installing it, I double shielded it by adding a choke at the VFD end of the wire as close to the terminal block as I could and grounded the shield at the dongle to the PC.

Restart was successful. No issues running the spindle after the upgrade.

Thank you for your guidance.

Kind regards.