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  • ihavenofish
  • ihavenofish
07 Feb 2025 17:05
Replied by ihavenofish on topic scurve trajectory planner

scurve trajectory planner

Category: General LinuxCNC Questions


Beef has done his Master Degree in the mean time.
File Attachment:


Beef mostly just mutters in the corner these days about everyone being jerks...


*tries to start some forum beef*
:P



 
  • PCW
  • PCW's Avatar
07 Feb 2025 16:48
Replied by PCW on topic 7i96s Replacement Needed

7i96s Replacement Needed

Category: General LinuxCNC Questions

Yes, spindle control is the typical use of the 7I96S analog output.
  • PCW
  • PCW's Avatar
07 Feb 2025 16:43
Replied by PCW on topic Index homing Mesa 7i96s

Index homing Mesa 7i96s

Category: PnCConf Wizard

If by daughtercard you mean the 7I84U, any firmware with a sserial port will do.

(basically and 7I96S firmware that does not use the serial expansion for modbus etc)
  • IronManDylan
  • IronManDylan
07 Feb 2025 16:32
Replied by IronManDylan on topic 7i96s Replacement Needed

7i96s Replacement Needed

Category: General LinuxCNC Questions

Thank you Tommy.  PCW, is analog out controlling spindle RPM?  If that is the case then I will need the 7i96s.
  • Murphy
  • Murphy
07 Feb 2025 16:06
Replied by Murphy on topic Remora - ethernet NVEM / EC300 / EC500 cnc board

Remora - ethernet NVEM / EC300 / EC500 cnc board

Category: Computers and Hardware

Iv just bought another EC500 to convert to Remora firmware. I have a cnc mill converted with a breakout parallel board and axis GUI.

I'm going to replace the BOB and convert it to the EC500. Will Remora firmware work with the probe basic gui?

 
  • PCW
  • PCW's Avatar
07 Feb 2025 16:01
Replied by PCW on topic 7i95T + 7i78 spindle configuration

7i95T + 7i78 spindle configuration

Category: Basic Configuration

The (active low) analog enable on the 7I78 is
DB25 pin 6 (7I78 manual) = GPIO50 on that firmware.

So the hal file needs:

setp hm2_7i95.0.gpio.050.is_output
setp hm2_7i95.0.gpio.050.invert_output
net spindle-on => hm2_7i95.0.gpio.050.out

likewise, the direction pin is GPIO 51 so:

setp hm2_7i95.0.gpio.051.is_output
and GPIO 51 needs to be netted to the spindle direction signal
(and may need inversion depending on how it controls the VFD)

Its probably arguable that the firmware should have PWM enable
rather than GPIO control the 7I78s analog enable pin...

 
  • NickB
  • NickB's Avatar
07 Feb 2025 15:56 - 11 Feb 2025 14:03
Replied by NickB on topic Increase A axis speed, but maintain proper scale?

Increase A axis speed, but maintain proper scale?

Category: General LinuxCNC Questions

I saw your Amazon review and tracked you down here, What is the little cheap controller that you were able to make work with the axis?

Edit: for those from the future
Response via email: www.amazon.com/gp/product/B0B1HNS9L2?ie=UTF8&psc=1
  • flexbex
  • flexbex
07 Feb 2025 15:56
Coordinate system and touch off was created by flexbex

Coordinate system and touch off

Category: General LinuxCNC Questions

Hi a beginner question. So I setup my cnc and I want to do a first test run. I use freecad as CAD and CAM programm. In freecad I set my origin on one of the upper corners. Then I create the toolpath. But I get exceeding limit error in linuxcnc. My machine limits are x-10  to 2000, y-10 to 1000 and z0 to -150. So my procedure is I move the tip of the endmill to the corner of the workpiece. Which is lets say in machine coordinates at x100 y100 and z-20. Then I send g10 l2 p1 x0 y0 z0. My understanding was that this sets the coordinate system 1 to zero. Then I start my program which begins with

(Exported by FreeCAD)
(Post Processor: script_module)
(Output Time:2025-02-07 23:16:55.212221)
(begin preamble)
G17 G54 G40 G49 G80 G90
G21
(begin operation: Fixture)
(machine units: mm/min)
G54 
(finish operation: Fixture)
(begin operation: 6mm_Endmill001)
(machine units: mm/min)
(6mm_Endmill001) 
M5
M6 T2 
G43 H2 
M3 S2000 
(finish operation: 6mm_Endmill001)
(begin operation: Profile)
(machine units: mm/min)
(Profile) 
(Compensated Tool Path. Diameter: 6.0) 
G0 Z6.000 
G0 X56.121 Y56.121 
G0 Z4.000 
G1 X56.121 Y56.121 Z-5.000 F120.000 
G2 X57.000 Y54.000 Z-5.000 I-2.121 J-2.121 F120.000 
G1 X57.000 Y4.000 Z-5.000 F120.000 

 

But I get an error at G0 Z6.000 already. So what am I missing here? In machine coordinates I would still have the space to move 6mm up.
  • notJamesLee
  • notJamesLee
07 Feb 2025 15:48
Replied by notJamesLee on topic Z Homing

Z Homing

Category: Basic Configuration

Thank you.

It all does happen fast, you'll see i had to move X (joint 0) way out so I could observe Z (joint 3) which errors out at 0.114

I swore i tried inverting that sign because i had the same idea. However, it didn't change the z motor going in the wrong direction after. I will try again here in an hour or so and update. 

Also reading 6.3 here (linuxcnc.org/docs/2.7/html/config/ini-homing.html) that value must be positive. Even though it didn't throw an error when i tried. I imagine it just take the absolute value of that number? It seems like i have to invert almost everything.
  • hellvetica
  • hellvetica
07 Feb 2025 15:44
Replied by hellvetica on topic EtherCAT + lcec + cia402 + PID on A6-1000EC in velocity control mode

EtherCAT + lcec + cia402 + PID on A6-1000EC in velocity control mode

Category: EtherCAT

Thank you @onceloved !
It turned out to be a wiring issue
  • PCW
  • PCW's Avatar
07 Feb 2025 15:31
Replied by PCW on topic 7i96s Replacement Needed

7i96s Replacement Needed

Category: General LinuxCNC Questions

Also, if you are not using the analog output, a 7I96 will replace a 7I96S
  • tommy
  • tommy
07 Feb 2025 15:15
Replied by tommy on topic 7i95T + 7i78 spindle configuration

7i95T + 7i78 spindle configuration

Category: Basic Configuration

I came this far, but getting no readings on 7i78 SPINDLE OUT terminal (SPINDLE- is GND and SPINDLE+ is +10V, both from VFD)
setp hm2_7i95.0.pwmgen.00.output-type 1
setp hm2_7i95.0.pwmgen.pwm_frequency 15000
setp hm2_7i95.0.pwmgen.00.scale 16000
net spindle-on <= spindle.0.on
net spindle-on => hm2_7i95.0.pwmgen.00.enable
net spindle-ramped => hm2_7i95.0.pwmgen.00.value

 
 
  • Sandro
  • Sandro
07 Feb 2025 15:02 - 07 Feb 2025 15:08
QtPlasmaC Error: "E word with no G70,G76,M66,M67 or M68 to use it" was created by Sandro

QtPlasmaC Error: "E word with no G70,G76,M66,M67 or M68 to use it"

Category: Plasmac

Hello everyone

I recently installed a laser on my plasma cutter to mark the origin. When I try to mark the origin of a part, I am getting the error message "E word with no G70,G76,M66,M67 or M68 to use it". Failure happens during this procedure:

1) Press "Laser" button in the DRO window
2) Move to position
3) Press "Mark Edge" button
4) Make a second move to desired origin (so it considers rotation)
5) Press "Mark Origin" button
6) --> Error: "E word with no G70,G76,M66,M67 or M68 to use it"

It happens like 50% of the time doing this procedure. I am using QtPlasmaC with LCNC 2.9.3.
Anybody experiencing the same or having a hint as to why this occurs?

Thank you! 

Prefs-File

Warning: Spoiler!
  • slowpoke
  • slowpoke
07 Feb 2025 14:31
Replied by slowpoke on topic Indivudual home buttons - EMC2-Axis

Indivudual home buttons - EMC2-Axis

Category: General LinuxCNC Questions

I think in axis, I think it has to do with the ini entry HOME_SEQUENCE. I think if you remove that entry, it will remove home all button
 

You are correct, that works.

Thank you!
  • cakeslob
  • cakeslob
07 Feb 2025 14:21
Replied by cakeslob on topic Indivudual home buttons - EMC2-Axis

Indivudual home buttons - EMC2-Axis

Category: General LinuxCNC Questions

I think in axis, I think it has to do with the ini entry HOME_SEQUENCE. I think if you remove that entry, it will remove home all button
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