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  • rodw
  • rodw's Avatar
11 Jan 2025 23:05
Replied by rodw on topic pncconf Clearpath SDSK settings

pncconf Clearpath SDSK settings

Category: General LinuxCNC Questions

 
"Help" is a strong word for what's happening here.

You seem to be getting frustrated.  Maybe I can help.

Correct me if I'm wrong, but your situation is that you have a Mesa 7i96s and Clearpath SDSK motors.  You want to:

  • Set some rational values for max velocity and accel
  • Connect the HLFB pins to the 7i96s
  • Make LCNC do something with the HLFB signals


    Have I got it right?




    Yes, and thank you for engaging.

    Those points are just what are directly in front of me, right now. It's mostly because I am at the pncconf stage, and there isn't a selection for setting the pins for drive fault there. I am not hung up on moving on, as long as I know where I need to set this function. I have LinuxCNC forum people telling me they have no idea how Clearpath HLFB works and Teknic saying they have no idea how LinuxCNC works, and here I am, stuck in the middle. That's why I thought maybe seeing an existing configuration would skip the middlemen and I could just copy someone else's homework.

    Beyond that, I also need to know what to expect when homing the dual-Y gantry axis. There is more I'd like to learn about autosquaring too, but that's just one thing out of a long list.

Some of these features will likely not be supported by pnccconf

It seems this post gives you some options for HLFB. 
www.forum.linuxcnc.org/10-advanced-confi...with-hlfb-mesa-7i76e
I think I would use servo-on and use  a charge pump which I think pncconf supports

The drive error is connected to 
joint.N.amp-fault-in 
ref: linuxcnc.org/docs/stable/html/man/man9/m....9.html#JOINT%20PINS

Squaring the gantry is dealt with when homing
linuxcnc.org/docs/stable/html/config/ini-homing.html
Paired joints (eg your gantry motors) will have a negative HOME_SEQUENCE of the same value
Usually you will also use a HOME_OFFSET
You can  square the gantry by editing the HOME_OFFSETS. eg  if one side is out by 2mm, the HOME_OFFSET needs be 2mm different to the other side.


 
  • tommylight
  • tommylight's Avatar
08 Jan 2025 20:48
Replied by tommylight on topic pncconf Clearpath SDSK settings

pncconf Clearpath SDSK settings

Category: General LinuxCNC Questions

OK, went through those, and i have to agree with PCW on number 2 here
forum.linuxcnc.org/10-advanced-configura...fb-mesa-7i76e#112557
It is pretty much useless as it does a lot of things but the thing it should do, it does not, namely amplifier fault!
I would not use it.
  • fully_defined
  • fully_defined's Avatar
08 Jan 2025 19:47
Replied by fully_defined on topic pncconf Clearpath SDSK settings

pncconf Clearpath SDSK settings

Category: General LinuxCNC Questions

No idea where or how you got those numbers, but utmost respect for effort in getting things right.
Start with 300mm/s/s, do some tests, then go higher, but most probably 750 will be to much for short fast movements like Fusion360 does.
I am refraining from further "muddying the waters" for now as:
1. i have no idea what "HLFB" is
2. -deleted-
 

HLFB "high level feedback" is many things, but it can work like a drive alarm and that's what I will be using it for. There have been a couple of posts on it, but they all go nowhere and the OP never comes back and says "I did this thing exactly like this, and it worked. Here is how to recreate what I did."

For examples of dead ends, here you go:

forum.linuxcnc.org/49-basic-configuration/41375-clearpath-hlfb

and

forum.linuxcnc.org/10-advanced-configura...with-hlfb-mesa-7i76e

and

forum.linuxcnc.org/10-advanced-configura...ervo-with-mesa-7i76e

I just want to know what to enter into what box, and move on. I am at the pncconf step, so any talk about ini files or HAL or anything past pncconf is not yet relevant to me. I need to know what to tell pncconf what to do with the inputs I connected the HLFB circuits to. And I need to know if I have connected it properly in the first place. I don't know what I don't know.
 
  • NotAllThere
  • NotAllThere's Avatar
07 Jan 2025 22:58 - 07 Jan 2025 23:26

Simple Z touch off generating empty error [SOLVED]

Category: Basic Configuration

I'm adding a touch probe to a ChinaZone 6040 with a Mesa 7i76e card following what seems to be pretty simple instructions from forum.linuxcnc.org/49-basic-configuratio...obe-with-a-mesa-7i96.  It's really close, but generating an error. 

When I click on "Tool Touch Off Z" in the side panel, I get a blank error (see attached pic):
<l> (?) [x]

Where should I look to find the problem?  I've gone through the example a few times and am just missing it somehow.  I've checked the Linux logs, but haven't found anything yet.
  • Axis 2.8.4 (I can upgrade if that would help)
  • Hal Meter signal probe-in turns to true when the touch probe is triggered, so the wiring & HAL seem correct
  • I've run each of the commands in the ngc file using the MDI tab and they all function as expected
  • The 5 updated files are attached and each has it's full path in the comments at the top of the file

    Thanks,
    Ted
  • Edi_48
  • Edi_48
03 Jan 2025 10:39
Netzwerk abbruch was created by Edi_48

Netzwerk abbruch

Category: Installing LinuxCNC

Hallo 
ich musste meinen Rechner neu installieren
Softwre : Debian 12, Linuxcnc 2.9.3  und ProbeBasic 4.0
Hardware NiPoGi Mini PC Ιntel Alder Lake-N100(bis zu 3.4GHz) AK1PLUS Mini Computer 16GB DDR4/512GB M.2 SSD, WiFi 2.4G/5G,BT4.2, Desktop PC 4K UHD Dual Display/LAN/VESA 
Ethnet Rialtek, Mesa 7i76e
Mein Proplem ich starte Linuxcnc  und mache einen Ping 10.10.10.10 bekomme eine verbindung.
Starte ich eine Maschine bekomme ich eine Meldung das kein Netzwerk habe , Ping keine antword.
Wenn ich Netzwerk neu starte habe ich wieder einen Ping.
Was kann Ich tun ?

mfg
Hilton
 
  • yoshimitsuspeed
  • yoshimitsuspeed
03 Jan 2025 04:09

Questions in trying to get my home built machine dialed in with a 7i76E

Category: General LinuxCNC Questions

Okay so I have the basics working and now I want to get my toolsetter doing what I need.
It is hooked up and in QT dragon I have my positions setup so it will go to the toolsetter location. Then I can do the touch plate op and it hits the sensor and backs off properly.
From what I can tell it sets it based on the workpiece height and or tool sensor height parameters in the offsets tab which is not what I want.
I just ordered an ATC spindle so very soon I will be setting it up with multiple tools in toolholders with saved tool offsets so I can set them when I change a tool and then just have it pull the tools with the saved offsets.

For the moment though my first priority is to be able to put in a cutter, set it's offset with the tool setter, zero z to my part. Then if I break a cutter or want a different tool for the next op to be able to change the tool, set height, and have that offset to the new tool is at the right height for the next op.

Then a secondary goal would be to be able to change tools manually in multi tool setups.
So basically wanting something like Gcode calls next tool, machine goes to XYZ where I manually change the tool, then machine goes and touches off the toolsetter. Then goes back to machining the next op.

Is there a good guide for doing this? I searched a bit and didn't find anything that looked super helpful.
  • RV3Dtech
  • RV3Dtech
01 Jan 2025 12:16

qtDragon LED Probe und Spindeldrehzahl anzeigen

Category: Deutsch

Hallo zusammen,
ich möchte meinen WLZ mit der "qtdragon.led-probe" verknüpfen.
dazu habe ich die folgendne Eintrag in der HAL hinterlegt:
"net probe-tool => qtdragon.led-probe" 

Allerdings meckert er beim Start dass er den Pin qtdragon.led-probe nicht hat, obwohl er in der HAL-SHOW angezeigt wird. 
--> "Pin 'qtdragon.led-probe' does not exist"
Irgendwas fehlt da, ich komme aber nicht darauf 

Die zweite Frage wäre wie ich mir die Drehzahl in qtDragon anzeigen lassen kann, EIN & AUS sowie der Schieberegler gehen aber die U/min werden nicht angezeigt.  Meine HAL-Einträge zur Spindel:
# ---Setup Spindel Steuerungs-Signale---
net spindle-vel-cmd-rps <= spindle.0.speed-out-rps
net spindle-vel-cmd-rps-abs <= spindle.0.speed-out-rps-abs
net spindle-vel-cmd-rpm <= spindle.0.speed-out
net spindle-vel-cmd-rpm-abs <= spindle.0.speed-out-abs => hm2_7i76e.0.7i76.0.0.spinout
net spindle-enable <= spindle.0.on => hm2_7i76e.0.7i76.0.0.spinena
net spindle-cw <= spindle.0.forward
net spindle-ccw <= spindle.0.reverse => hm2_7i76e.0.7i76.0.0.spindir
net spindle-brake <= spindle.0.brake
net spindle-revs => spindle.0.revs
net spindle-at-speed => spindle.0.at-speed
net spindle-vel-fb-rps => spindle.0.speed-in
net spindle-index-enable <=> spindle.0.index-enable
# ---Einrichtung der Signale zur Spindel-Geschwindigkeits-Steuerung---
sets spindle-at-speed true
# --- DIGITAL POTENTIOMETER OUTPUT SETUP ---
setp hm2_7i76e.0.7i76.0.0.spinout-minlim [SPINDLE_0]OUTPUT_MIN_LIMIT
setp hm2_7i76e.0.7i76.0.0.spinout-maxlim [SPINDLE_0]OUTPUT_MAX_LIMIT
setp hm2_7i76e.0.7i76.0.0.spinout-scalemax [SPINDLE_0]OUTPUT_SCALE

 
  • __Tom
  • __Tom
30 Dec 2024 20:17 - 30 Dec 2024 20:56
THC was created by __Tom

THC

Category: Plasma & Laser

HelloI have a plasma cutter runing on mesa 7i76e / thcad10 / linuxcnc 2.8.My Problem:As you can see on the attached picture (left cut) it starts really good but after about 100mm the THC starts to move up and down the Z Axis. The move distance of the Z Axis gets more and more up to 10mm at the end. Is there an another setting as in the Config Penel Arc - Height Per Volt? (currently set to 0.05mm)So I really don't know how to fix this and which settings could be responsible for this behaveHope that you know the reason for that and I would really appreciate a hint how to fix that.Thanks in advance for you replay.The settings:Config Panel THCDelay:1Threshold(V):1PID P GAIN(Speed):10VAD Threshold(%):90Void Sense Override(%):100PID I Gain: 0PID D Gain:0Run Panel THCAutoUse Auto Volts: (ticked)Velovity Anti Sive Enable (VAD): (ticked)Void Sense Enable: (ticked) 
  • rodw
  • rodw's Avatar
23 Dec 2024 23:11

How to build a spaceship with Linuxcnc and a Mesa 7i76e

Category: Basic Configuration

I bet you just sold allot of Mesa 7i76e's with this video!  Cool, thanks

Nah, but perhaps PCW did!
  • Dave2024
  • Dave2024's Avatar
23 Dec 2024 23:09

How to build a spaceship with Linuxcnc and a Mesa 7i76e

Category: Basic Configuration

I bet you just sold allot of Mesa 7i76e's with this video!  Cool, thanks
  • yoshimitsuspeed
  • yoshimitsuspeed
19 Dec 2024 00:02

Questions in trying to get my home built machine dialed in with a 7i76E

Category: General LinuxCNC Questions

Okay FML lol I was forgetting to enter M3 in MDI and hadn't tried the speed slider today.
After removing the negative on 24000 and everything seems to be working like it is supposed to. as far as I can tell so far.

Thanks
  • yoshimitsuspeed
  • yoshimitsuspeed
18 Dec 2024 23:35

Questions in trying to get my home built machine dialed in with a 7i76E

Category: General LinuxCNC Questions

Okay so just changing that to positive then trying to run the Spindle it turned on at the min speed and trying to slide the spindle speed or enter S RPM into mdi made no difference.

Out of curiosity I went back into pnconf to tick the "use +- for voltage direction"

This added the - to both these places.

[SPINDLE_0]
P = 0.0
I = 0.0
D = 0.0
FF0 = 1.0
FF1 = 0.0
FF2 = 0.0
BIAS = 0.0
DEADBAND = 0.0
MAX_OUTPUT = 24000.0
OUTPUT_SCALE = -24000
OUTPUT_MIN_LIMIT = -24000
OUTPUT_MAX_LIMIT = 24000

Starting the UI (now running qtdragon), homing, then starting the spindle it went straight to 23500. I typed S5000 into mdi and it dropped back down to 3500 RPM displayed on the VFD and slow RPM on the spindle.
After that though changing s in mdi or sliding the spindle speed slider made no difference.

Also to note spindle RPM in the UI always shows 0.

Going back into pncconf and unchecking the "use +- for voltage direction" put it back to how it was before with the - only on Output_scale.

[SPINDLE_0]
P = 0.0
I = 0.0
D = 0.0
FF0 = 1.0
FF1 = 0.0
FF2 = 0.0
BIAS = 0.0
DEADBAND = 0.0
MAX_OUTPUT = 24000.0
OUTPUT_SCALE = -24000
OUTPUT_MIN_LIMIT = 0
OUTPUT_MAX_LIMIT = 24000

I have deleted the - again but it doesn't seem to have made anything better.
  • PCW
  • PCW's Avatar
18 Dec 2024 21:36 - 18 Dec 2024 21:36

Questions in trying to get my home built machine dialed in with a 7i76E

Category: General LinuxCNC Questions

There may be multiple things needed to get the direction correct, but here is one error:

[SPINDLE_0]
P = 0.0
I = 0.0
D = 0.0
FF0 = 1.0
FF1 = 0.0
FF2 = 0.0
BIAS = 0.0
DEADBAND = 0.0
MAX_OUTPUT = 24000.0
OUTPUT_SCALE = -24000 <<<<<<<<<< The 7I76E spindle output is unsigned so this must be positive
OUTPUT_MIN_LIMIT = 0
OUTPUT_MAX_LIMIT = 24000
  • yoshimitsuspeed
  • yoshimitsuspeed
18 Dec 2024 20:06

Questions in trying to get my home built machine dialed in with a 7i76E

Category: General LinuxCNC Questions

Ugh yeah I was too burned out to get logged in on the CNC computer last night lol.  

File Attachment:

File Name: Shopbot_20...2-18.hal
File Size:13 KB
 

File Attachment:

File Name: Shopbot_20...2-18.ini
File Size:6 KB
  • PCW
  • PCW's Avatar
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