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  • yadamb
  • yadamb
10 Aug 2025 19:34
Replied by yadamb on topic LinuxCNC vs Commercial

LinuxCNC vs Commercial

Category: General LinuxCNC Questions

Im considering upgrading the controller on our thermwood C67 5 axis machine. its form 2008 with the current controller being from 2011. Issue is that if it's done via thermwood its a full rebuild of the motors/drivers and controller box/ power supply with install is like 90-95k. We believe that with a little work and our current understanding we can do the upgrade ourselves of just the controller leaving our current motors still on the machine. Do you have any recommendations to use either linux or anything else? Id love to chat with you further about using linux and doing it correctly if you are willing to talk via email/ phone. thanks!
  • yadamb
  • yadamb
10 Aug 2025 19:25
Replied by yadamb on topic Thermwood C40 retrofit

Thermwood C40 retrofit

Category: CNC Machines

Hi, did you guys end up collaborating? I have. a C67 and am looking to upgrade the controller from the 2011 version it currently is at. At this point thermwood will only offer me a full conversion which is 90k and completely too much money. I have been looking at using Masso or centroid, but im not sure which is worth it if they even are and that's what brought me to Linux. Personally im not extremely knowledgeable on the software side, but hardware im good at and feel relatively confident I can actually continue to use the Siemens drivers motors and board that are currently on the machine. Id love to chat with either of you guys about it if you have a chance.
  • Chris91
  • Chris91
10 Aug 2025 18:59 - 10 Aug 2025 19:00
Replied by Chris91 on topic Starthilfe Retrofit ISEL CPM4030 MESA7i95T+7i83

Starthilfe Retrofit ISEL CPM4030 MESA7i95T+7i83

Category: Deutsch

So that's how it is?

# Axis: X Joint: 0 Output: 0
# PID Setup
setp pid.x.Pgain [JOINT_0](P)
setp pid.x.Igain [JOINT_0](I)
setp pid.x.Dgain [JOINT_0](D)
setp pid.x.bias [JOINT_0](BIAS)
setp pid.x.FF0 [JOINT_0](FF0)
setp pid.x.FF1 [JOINT_0](FF1)
setp pid.x.FF2 [JOINT_0](FF2)
setp pid.x.deadband [JOINT_0](DEADBAND)
setp pid.x.maxoutput [JOINT_0](MAX_OUTPUT)
setp pid.x.error-previous-target True
# limit stepgen velocity corrections caused by position feedback jitter
setp pid.x.maxerror [JOINT_0](MAX_ERROR)

# joint-0 enable chain
net joint-0-index-enable <=> pid.x.index-enable
net joint-0-index-enable <=> joint.0.index-enable

net joint-0-enable <= joint.0.amp-enable-out
net joint-0-enable => pid.x.enable

# Enable Stepgen
net joint-0-enable => hm2_7i95.0.7i83.0.0.analogena0

# Joint 0 Step Generator Settings
setp hm2_[MESA](BOARD).0.stepgen.00.dirsetup [JOINT_0](DIRSETUP)
setp hm2_[MESA](BOARD).0.stepgen.00.dirhold [JOINT_0](DIRHOLD)
setp hm2_[MESA](BOARD).0.stepgen.00.steplen [JOINT_0](STEPLEN)
setp hm2_[MESA](BOARD).0.stepgen.00.stepspace [JOINT_0](STEPSPACE)
setp hm2_[MESA](BOARD).0.stepgen.00.position-scale [JOINT_0](SCALE)
setp hm2_[MESA](BOARD).0.stepgen.00.maxvel [JOINT_0](STEPGEN_MAX_VEL)
setp hm2_[MESA](BOARD).0.stepgen.00.maxaccel [JOINT_0](STEPGEN_MAX_ACC)
setp hm2_[MESA](BOARD).0.stepgen.00.step_type 0
setp hm2_[MESA](BOARD).0.stepgen.00.control-type 1


# position command and feedback
net joint-0-pos-cmd <= joint.0.motor-pos-cmd
net joint-0-pos-cmd => pid.x.command

net joint-0-pos-fb <= hm2_[MESA](BOARD).0.stepgen.00.position-fb
net joint-0-pos-fb => joint.0.motor-pos-fb
net joint-0-pos-fb => pid.x.feedback

# PID Output
net joint.0.output <= pid.x.output
net joint.0.output => hm2_[MESA](BOARD).0.stepgen.00.velocity-cmd
# net joint.0.output => hm2_7i95.0.7i83.0.0.analogout0
  • probotix
  • probotix
10 Aug 2025 18:14 - 10 Aug 2025 18:15
Replied by probotix on topic LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)

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

Category: Computers and Hardware

@mBender
Where you at in Florida? How can I contact you?

JCLPCB delivered my self made PCB board. Testing ongoing. I had to order 5 boards. If anyone is interested in one, I have a few spares. Located in the Florida USA. 

  • andypugh
  • andypugh's Avatar
10 Aug 2025 17:58
Replied by andypugh on topic Heidenhain EXE610 - which MESA board would be needed to connect 4 of them?

Heidenhain EXE610 - which MESA board would be needed to connect 4 of them?

Category: Driver Boards

Any quadrature encoder counter should work.
  • andypugh
  • andypugh's Avatar
10 Aug 2025 17:01
Replied by andypugh on topic LiCHUAN A5 AC Servo Fine tunning

LiCHUAN A5 AC Servo Fine tunning

Category: Advanced Configuration

I would first reduce the acceleration in the INI and see if that makes a difference, just because that is quick and easy. (and you know exactly what you have changed, which might not be the case with tuning software).
That's probably not the final solution, but it may help narrow-down the problem description.
  • andypugh
  • andypugh's Avatar
10 Aug 2025 16:53
Replied by andypugh on topic New member from Germany - CNC retrofit of a Leinen FM1

New member from Germany - CNC retrofit of a Leinen FM1

Category: General LinuxCNC Questions

Yes, you are right, the tacho signal can be connected directly to the DC motor amplifier. I have only one amplifier for the 3 axes. So I can run them only in sequence.
 

Is this one of those systems that can only move one axis at a time? 
  • Hartwig
  • Hartwig
10 Aug 2025 16:49
Replied by Hartwig on topic New member from Germany - CNC retrofit of a Leinen FM1

New member from Germany - CNC retrofit of a Leinen FM1

Category: General LinuxCNC Questions

Hi Andy,

thanks a lot for your response. I will try it and buy the recommended MESA Board.

Yes, you are right, the tacho signal can be connected directly to the DC motor amplifier. I have only one amplifier for the 3 axes. So I can run them only in sequence.

I hope, I will find out how to interpret the inputs (TTL ?) from the Heidenhain EXEs.

Is there any chance to get connected to the LinuxCNC developer in Münster?

Best regards

Hartwig
  • andypugh
  • andypugh's Avatar
10 Aug 2025 16:49
Replied by andypugh on topic M66 keeps waiting

M66 keeps waiting

Category: G&M Codes

Thanks for the replies. I guess updating Linux and LinuxCNC is the only option left.
 

Note that I don't actually expect that to fix this issue. 

Can you attach your HAL files(s)?
  • andypugh
  • andypugh's Avatar
10 Aug 2025 16:43
Replied by andypugh on topic Gantry

Gantry

Category: Advanced Configuration

github.com/LinuxCNC/linuxcnc/commit/9783...cfdb5ea02cd0336145e6
  • andypugh
  • andypugh's Avatar
10 Aug 2025 16:07
Replied by andypugh on topic how to make M7 (mist on) generate step pulses

how to make M7 (mist on) generate step pulses

Category: G&M Codes

I don't normally recommend PyVCP as it is not very flexible, but in this case it is probably a good choice.

linuxcnc.org/docs/stable/html/gui/pyvcp.html

The example panel in section 4.1 is very close, you would just swap the bar for a slider, and connect to stepgen.4.velocity-cmd instead of the spindle speed.
  • cakeslob
  • cakeslob
10 Aug 2025 15:55
Replied by cakeslob on topic Advice sought...getting started with Remora/Linuxcnc

Advice sought...getting started with Remora/Linuxcnc

Category: Computers and Hardware

its easier if you use the threads we have stickied at the top.
unless the chip is a good clone, we dont support the GD line of clones. the lowcost hardware that will be the least trouble are the ones listed on the docs
  • andypugh
  • andypugh's Avatar
10 Aug 2025 15:53
Replied by andypugh on topic New member from Germany - CNC retrofit of a Leinen FM1

New member from Germany - CNC retrofit of a Leinen FM1

Category: General LinuxCNC Questions

You _probably_ don't need to take the tachos to LinuxCNC.

Typically the tachos connect only to the servo drives to feed back velocity, and the analogue voltage input from the controller sends a velocity command based on position feedback from the glass scales.

The Leinien FM1 looks like a lovely little thing.

An all-in-one solution from Mesa would be: store.mesanet.com/index.php?route=produc...id=397&search=analog
But there might be cheaper options (for example 6i24 + 7i33TA) but the 7i97T ethernet option will work with just about any supported computer, including the Raspberry Pi.

Other options exist. EtherCAT, Pico PPMC for example.

One of the LinuxCNC developers lives in Münster, I think.
  • ihavenofish
  • ihavenofish
10 Aug 2025 15:40 - 10 Aug 2025 15:41
Replied by ihavenofish on topic Mini wannabe datron build

Mini wannabe datron build

Category: CNC Machines

Fleshing out the rest of the bits.
Found a nicer cheap 21" touch panel on waveshare, seems like it would work well as a vertical panel with qtdragon





  • Hartwig
  • Hartwig
10 Aug 2025 15:38
Heidenhain EXE610 - which MESA board would be needed to connect 4 of them? was created by Hartwig

Heidenhain EXE610 - which MESA board would be needed to connect 4 of them?

Category: Driver Boards

Dear members,

a simple question. I hope, that somebody knows the answer and responds.

I would like to connect 3 Heidenhain glas scales LS303  and 1 Heidenhain rotary sensor ROD450 via the EXEs.

Thanks a lot in advance and best regards

Hartwig
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