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  • notJamesLee
  • notJamesLee
24 Jan 2025 02:40
Replied by notJamesLee on topic New PC, Same Mesa 7i96s - No Board Found

New PC, Same Mesa 7i96s - No Board Found

Category: Installing LinuxCNC

That worked thank you!

I am now getting a "joint 2 on limit switch" error when i try to jog the machine on start up. The only other thing that changes is i went from gmocappy to axis (since i no longer have a touch screen).

I went to hal show and tested all three (still waiting on the fourth) limit switches and both estops do what they should.

Should i undo the "-not" ? If that was the case shouldn't it be all the joints?
  • Uthayne
  • Uthayne
24 Jan 2025 02:14 - 24 Jan 2025 02:16
Replied by Uthayne on topic Integrating a BCL-AMP capacitive sensor to LinuxCNC

Integrating a BCL-AMP capacitive sensor to LinuxCNC

Category: Plasma & Laser

A cleaner, linear response signal could be the ticket, as I have fiddled with the PID parameters quite a bit as well as my Z axis velocities and accelerations and it is still not really where I'd like it to be.

Have you considered linearizing the output (with lincurve) before feeding the linearized distance to the
PID loop?
 

 

PCW: That is not something that I had thought to try. I'll have to give that some thought and see how it performs. Thanks for the tip


prokopcio, I'd recommend starting a new thread in this subforum so we can discuss your design. Looks promising!
  • rodw
  • rodw's Avatar
24 Jan 2025 01:25
Replied by rodw on topic Computers! I'm so confused

Computers! I'm so confused

Category: Computers and Hardware

The T4 should be fine with a Mesa 7i96s Ethernet card. There might be a couple of tweaks required depending on the network interface but we can deal with that later. I cover stuff here docs.google.com/document/d/1jeV_4VKzVmOI...diY/edit?usp=sharing
  • notJamesLee
  • notJamesLee
23 Jan 2025 23:03 - 23 Jan 2025 23:07
New PC, Same Mesa 7i96s - No Board Found was created by notJamesLee

New PC, Same Mesa 7i96s - No Board Found

Category: Installing LinuxCNC

Hi Friends, 

While i was working on my machine the RP4 and touchscreen i had it mounted to took a tumble and unfortunately the screen will not be returning. I took this as an opportunity to upgrade from a RP4 to one of those mini computers. All went well from the install perspective, there were no issues in the live environment or from the latency test. I moved forward with an install on the main disk and just finished going through the pncconf wizard with the same settings i had working with the RP4 and i get an error that looks like at real-time error. (pasted below)
hm2_eth: rtapi_app_main: Resource temporarily unavailable (-11) ./Cutter.hal:9: waitpid failed /usr/bin/rtapi_app hm2_eth ./Cutter.hal:9: /usr/bin/rtapi_app exited without becoming ready ./Cutter.hal:9: insmod for hm2_eth failed, returned -1 6432

I downloaded mesa flash to the new machine and am not able to ping it at 10.10.10.10 and ill post the output of ip -a on the new machine with the mesa (machine) powered on. 


james@CNCPC:~$ ip a 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: enp2s0: mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether 84:47:09:43:53:ec brd ff:ff:ff:ff:ff:ff inet6 fe80::3f75:d82e:1e8:6d86/64 scope link noprefixroute valid_lft forever preferred_lft forever 3: wlp0s12f0: mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether 2c:7b:a0:45:3c:b0 brd ff:ff:ff:ff:ff:ff inet 192.168.0.30/24 brd 192.168.0.255 scope global dynamic noprefixroute wlp0s12f0 valid_lft 83688sec preferred_lft 83688sec inet6 fe80::2e7b:a0ff:fe45:3cb0/64 scope link noprefixroute valid_lft forever preferred_lft forever

note: this output from ip a is the same with the machine off or on
  • kzali
  • kzali
23 Jan 2025 22:49
Replied by kzali 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

 
Can't recommend this set-up enough. For those who aren't particularly interested in engineering hardware and want a Snap-On Ready Kit, it just won't get any better than that. That'll do 50meg, prolly capable of more. Oliver did it all for grab  github.com/multigcs/rio-tangbob

Flash the bitstream over, plug-in a shielded 100mb cat6, and be done!!

This maybe a silly question bit is there a wiring diagram for the ribbon connector of the DB25's   
 
  • Grotius
  • Grotius's Avatar
23 Jan 2025 21:59
Replied by Grotius on topic scurve trajectory planner

scurve trajectory planner

Category: General LinuxCNC Questions

Get same results when calculating vel for joint.0 inside the planner. Havent figured it out yet. I thought maybe split cycle. But have to dive deeper into it. Will do a motion test tomorrow.
  • GoodB0Y
  • GoodB0Y
23 Jan 2025 20:56
Replied by GoodB0Y on topic Computers! I'm so confused

Computers! I'm so confused

Category: Computers and Hardware

Beelink T4 Mini PC Quad Core Intel Atom x5-Z8500 Mini Desktop Computer DDR4 4GB RAM 64GB, 2.4G/5G WiFi, Gigabit Ethernet, USB 3.0,4K HDMI&DP Dual Display Support Auto Power On
  • Red_D85
  • Red_D85
23 Jan 2025 20:44
Replied by Red_D85 on topic Erklärung Ethercat

Erklärung Ethercat

Category: Deutsch

Thank you. I know. My english is not so good.
an explanation with examples for an ethercat config file would be great. the beckhoff devices are not the problem. rather the servo drives.

thanks to your description I have come this far.
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