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  • unknown
  • unknown
06 Mar 2025 01:21 - 06 Mar 2025 01:23

Linuxcnc & the Raspberry Pi (4 & 5) Official Images Only!!!

Category: Installing LinuxCNC

Simple Mesa Setup



Thanks to PWC

You definitely do not want DHCP and you do
need to set a static address.

You might try this:
auto eth0
iface eth0 inet static
address 10.10.10.100
netmask 255.255.255.0

DO NOT set a gateway or nameservers
  • Tim1
  • Tim1
05 Mar 2025 22:43

LinuxCNC using Ethercat on Raspberry Pi5 controlling Stepperonline A6 Servo

Category: EtherCAT

I checked that thread and I haven't seen anything to address the Sync manager Watchdog.
  • rodw
  • rodw's Avatar
05 Mar 2025 21:05

Built In Wifi Not Working Raspberry Pi 5 and 2.9.4

Category: General LinuxCNC Questions

to set up, first connect the Ethernet to your router and let it get an IP address via DHCP
To set up wifi, follow the instructions on the downloads page.
Now you have it working if you need to set up for a Mesa card, follow the instructions
linuxcnc.org/docs/stable/html/man/man9/hm2_eth.9.html
  • Tim1
  • Tim1
05 Mar 2025 19:54

LinuxCNC using Ethercat on Raspberry Pi5 controlling Stepperonline A6 Servo

Category: EtherCAT

Hi I can't get the servo drive from SAFEOP to OP mode due "EtherCAT ERROR 0-0: AL status message 0x001B: "Sync manager watchdog""

cnc@raspberrypi:~$ sudo ethercat state INIT
cnc@raspberrypi:~$ sudo ethercat state PREOP
cnc@raspberrypi:~$ sudo ethercat state SAFEOP
cnc@raspberrypi:~$ sudo ethercat state OP
cnc@raspberrypi:~$ sudo ethercat slaves -v
=== Master 0, Slave 0 ===
Device: Main
State: SAFEOP
Flag: +
Identity:
  Vendor Id:       0x00400000
  Product code:    0x00000760
  Revision number: 0x00005608
  Serial number:   0x00000000
DL information:
  FMMU bit operation: no
  Distributed clocks: yes, 64 bit
  DC system time transmission delay: 0 ns
Port  Type  Link  Loop    Signal  NextSlave  RxTime [ns]  Diff [ns]   NextDc [ns]
   0  MII   up    open    yes             -   3079639242           0           0
   1  MII   down  closed  no              -            -           -           -
   2  N/A   down  closed  no              -            -           -           -
   3  N/A   down  closed  no              -            -           -           -
Mailboxes:
  Bootstrap RX: 0x0000/0, TX: 0x0000/0
  Standard  RX: 0x1000/256, TX: 0x1400/256
  Supported protocols: CoE, FoE
General:
  Group: AC Servo Driver
  Image name: 
  Order number: ANCTL AS760N Servo Driver
  Device name: AS760N_sAxis_V0.10
  CoE details:
    Enable SDO: yes
    Enable SDO Info: no
    Enable PDO Assign: yes
    Enable PDO Configuration: yes
    Enable Upload at startup: no
    Enable SDO complete access: no
  Flags:
    Enable SafeOp: no
    Enable notLRW: no
  Current consumption: 0 mA


cnc@raspberrypi:~$ dmesg | tail -20
[ 9664.358899] EtherCAT ERROR 0-0: SDO download 0x1C32:01 (2 bytes) aborted.
[ 9664.358905] EtherCAT ERROR 0-0: SDO abort message 0x08000022: "Data cannot be transferred or stored to the application because of the present device state".
[ 9664.358907] EtherCAT ERROR 0-0: Failed to process SDO request.
[ 9664.402879] EtherCAT ERROR 0-0: SDO download 0x1C33:01 (2 bytes) aborted.
[ 9664.402886] EtherCAT ERROR 0-0: SDO abort message 0x08000022: "Data cannot be transferred or stored to the application because of the present device state".
[ 9664.402889] EtherCAT ERROR 0-0: Failed to process SDO request.
[ 9760.555095] EtherCAT ERROR 0-0: SDO download 0x1C12:01 (2 bytes) aborted.
[ 9760.555100] EtherCAT ERROR 0-0: SDO abort message 0x08000022: "Data cannot be transferred or stored to the application because of the present device state".
[ 9760.555102] EtherCAT ERROR 0-0: Failed to process SDO request.
[ 9760.595087] EtherCAT ERROR 0-0: SDO download 0x1C13:01 (2 bytes) aborted.
[ 9760.595094] EtherCAT ERROR 0-0: SDO abort message 0x08000022: "Data cannot be transferred or stored to the application because of the present device state".
[ 9760.595097] EtherCAT ERROR 0-0: Failed to process SDO request.
[ 9865.955283] EtherCAT 0: Slave states on main device: INIT.
[ 9872.951304] EtherCAT WARNING 0-0: Aborting SDO request, slave is in INIT.
[ 9872.967344] EtherCAT WARNING 0-0: Aborting SDO request, slave is in INIT.
[13760.889546] EtherCAT 0: Slave states on main device: PREOP.
[13765.925570] EtherCAT 0: Slave states on main device: SAFEOP.
[13782.411825] EtherCAT ERROR 0-0: Failed to set OP state, slave refused state change (SAFEOP + ERROR).
[13782.411909] EtherCAT ERROR 0-0: AL status message 0x001B: "Sync manager watchdog".
[13782.412843] EtherCAT 0-0: Acknowledged state SAFEOP
  • unknown
  • unknown
05 Mar 2025 17:18

Built In Wifi Not Working Raspberry Pi 5 and 2.9.4

Category: General LinuxCNC Questions

I don't know where you saw the info about the setup wizard, but this is absolutely wrong.
As the image is essentially Debian Bookworm you can use the below link to get an idea. Also there is a large sticky thread related to the RPi images, in the Installing Linuxcnc heading.
What other image are you referring to ?

wiki.debian.org/NetworkConfiguration
  • mindstormmaster1
  • mindstormmaster1
05 Mar 2025 15:52
Built In Wifi Not Working Raspberry Pi 5 and 2.9.4 was created by mindstormmaster1

Built In Wifi Not Working Raspberry Pi 5 and 2.9.4

Category: General LinuxCNC Questions

I installed Linuxcnc on an 8GB Pi5 using this file since I want to use a MESA board, it looked like the right choice.

www.linuxcnc.org/iso/rpi-5-debian-bookwo...25-01-27-0140.img.xz

Everything booted up well(but there was no initial setup wizard like I have seen some people mention), and the install looks good, but I don't see wifi anywhere or network options of any kind. I tried a USB wifi dongle, and that didn't change anything and unfortunately, ethernet is not an option for me. Does anyone have any tips for getting wifi working? Should I have used the other .iso? Thanks!
  • PCW
  • PCW's Avatar
04 Mar 2025 19:23

Custom "MESA 7c81 Clone" PCB featuring a Raspberry Pi Compute Module 5

Category: Driver Boards

Normally on a 4 layer card you do not need top or bottom fills
unless for heat sinking or shielding. You do need to be a bit careful 
about the 3.3V/1.2V plane cut/bypass capacitors/supply inductance,
and some under FPGA filling of the VCC plane can help here.

The SPI clock will be the fussiest signal so if you are routing it
a long distance, it may need parallel termination at the end of the trace
(series termination does not work with two endpoints)
  • unknown
  • unknown
04 Mar 2025 17:54

Custom "MESA 7c81 Clone" PCB featuring a Raspberry Pi Compute Module 5

Category: Driver Boards

I would have brought the JTAG signals out for initial programming of the FPGA and not shared the serial flash signals.
May sound cumbersome but programming only needs to be done once via JTAG, after that mesa flash does the job fine.
I've thought along the lines of Andy that it would be an interesting project.
From my 7c81 clone experience I think there is the possibility of being able to bring out an extra 17 pin port, for a total of 68 io. Tho this would require firmware changes, new custom board name and and such. Also I made some changes to mesa flash and the driver to suit.
One thing I have noted with the RPi5 is that it's more forgiving in relation the SPI cable length and "messiness", IE it will tolerate longer DuPont cables that an RPi4 would. I thought I would just mention this.
Apart from not having the skill to design a board to suit, nor anyone to help during the process is that I like having the boards seperate, just in case my butter fingers cause one the voltage translation chips to blow a smoke valve and damage the PCB. Honestly this is likely to be a rare event.
On the whole good luck and keep us informed. If you have any questions regarding the Linuxcnc image I'm happy to help.
  • andypugh
  • andypugh's Avatar
04 Mar 2025 16:11

Custom "MESA 7c81 Clone" PCB featuring a Raspberry Pi Compute Module 5

Category: Driver Boards

I can't advise on your PCB design, but I think this looks like a nice idea.

I have occasionally thought that there should be a niche for a similar board, but with on-board stepper drivers (Trinamic or some other serially-controlled driver)
That would, of course, need a dedicated HAL driver, but those can be surprisingly straightforward.
  • Niklas
  • Niklas
04 Mar 2025 16:03

Custom "MESA 7c81 Clone" PCB featuring a Raspberry Pi Compute Module 5

Category: Driver Boards

Hello,
I made a custom version of the MESA Electronics 7c81 FPGA Card that I thought some of you might find interesting. 
I've attached images of the progress I've made so far. 





I haven't ordered the PCB yet, as I wanted to ask first, if any of you guys on here can find anything wrong with it. As I'm a student with limit budget I'd like to be a little more reassured that I'm not missing anything.
I used the  7c81 Schematics  found in this forum post and the schematics of the official  RPi CM5 IO-Board  to create my own schematics.

This browser does not support PDFs. Please download the PDF to view it: Download PDF


This browser does not support PDFs. Please download the PDF to view it: Download PDF





I have a few questions I haven't found a good answer for and I'd be happy to recieve constructive criticism on any part of the design.
  • The SPI0 Bus of the RPi (SDA0, SCL0) is shared by the Serial Flash for the FPGA and one of the MIPI DSI/CSI-2 FPC connectors. Will this cause conflicts?
  • I wasn't able to avoid routing traces under the FPGA, will this be likely to cause problems or will I be able to get away with it?
  • Is it a good idea to ground pour the top and bottom signal layers of the 4 layer stackup, if I'm already using the two inner layers as ground planes?
Thank you in advance!
Niklas
 
  • gmr
  • gmr
04 Mar 2025 08:58

Mitsubishi Meldas Control and Motors

Category: Milling Machines

Hi All,

I have an old VMC that is based on the Mitsubishi Meldas controller and Mitsubishi motors. The machine is in good mechanical condition but the control has given up the ghost, so I plan to replace all the servo drives and do a new controller based on LinuxCNC. 

A few questions that I'd like some input on:
  • The machine has 3 phase 1kW, 3000 RPM motors on it for the X and Y axes and 2kW, 2000 RPM for the Z axis - they are Mitsubishi HA83  and Mitsubishi HA103 and have rotary encoders on them that means the original servo drives keep track of the absolute position. Does anyone have any thoughts on sticking with this motors or replacing them?  If replacing them, any suggestions for a good brand/family?
  • If I just replace the drives, then it seems that the Nidec/Control Techniques Unidrive M700 series might be a good choice? Any thoughts. Ideally I would power the drives directly from the 3 phase 415V supply (the machine currently has a transformer which delivers 200V to the drives).
  • On the control side, any suggestions as to which Mesa cards are well suited? Previously I have converted machines using the 7C81 and a Raspberry Pi and 5i25 and PC - I think this will need quite a lot of I/O so I'm thinking a PC based card this time.
Thanks,
Greg
 
  • Philip Lydin
  • Philip Lydin
02 Mar 2025 00:36
CNC lathe retrofitt - Feeler FTC-280 was created by Philip Lydin

CNC lathe retrofitt - Feeler FTC-280

Category: General LinuxCNC Questions

Hello i have a Feeler Ftc-280 which im currently retrofitting from its fanuc OT controller to a ethercat system. Some specifications so you know what im working with: 11kw fanuc main spindle (i will run it on a regular vfd with modbus ), 1.2kw x axis servo, 1.8kw z axis servo, 2.2kw hydraulic pump (for driving the turret, tailstock, probe arm, parts catcher and chuck). It´s a quite rigid machine weighing 5 tons with some 50mm thk ballscrews. I have purschased most electronis and have gotten the lichuan servo motors and beckhoff devices up and running. I already bought a raspberry pi so i will not be able use probe basic. Is there another nice gui for lathes?
  • gene_weber
  • gene_weber's Avatar
01 Mar 2025 21:08

RPi 4B w/LinuxCNC 2.9.3, Mesa 7C81, Isolation Card, PWM Card, Relay Card, More

Category: User Exchange

For sale as a group. $500 US shipping included.

MESA 7C81 is FPGA motherboard host for a Raspberry Pi
1.5" RPI GPIO cable for 7C80 and 7C81
DIN Tray 107MM X 102MMFor 7C81

Raspberry Pi 4 Model B (8 GB).
Includes SanDisk Ultra 32GB microSD card with RT PREEMPT 6.6 linux kernel version of Raspberry PI OS. See this thread regarding installation.
Pi heatsinks, power cord, fans.

KBSI-240D (9431) Signal Isolator. DIN tray for this card.

2 DPDT Signal Relay Module Board, DC 24V . DIN tray for this card and PWM card.

Ideal Power's 56YSD15S 24v DC 15W DIN Rail Mount power supply

3.3V PWM to 0 to 10 V Voltage Converter . DIN tray for this card and Relay card.

Three signal isolation cards I designed and fabricated. DIN tray for this card. Ribbon cables from 7C81 to signal isolation board. Connectors and pins for the connectors that mate to the signal isolation board.

Cards are described in detail in the next post.

 
 
 
 
 
 
 
 


 
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