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  • pmchetan
  • pmchetan
01 Feb 2025 13:26
Replied by pmchetan on topic Hal configuration for BISS encoder

Hal configuration for BISS encoder

Category: HAL

You had given me a config string a few months ago in discussion from another thread:

PCW-  "Judging by the pdf I think this is correct, not sure about the initial null though

           "biss_chan_0=null%1bcrc%6fwarning%1berror%1bzero%2uencoder%24e"

            (the added "zero" is for the zeros bits in the 26 bit position code"

I didn't understand it at the time. I'll try this and report back if it works.
  • MakeMe12
  • MakeMe12
01 Feb 2025 12:33
Replied by MakeMe12 on topic Mesa Suppliers

Mesa Suppliers

Category: Driver Boards

Hi Chich. It's Brad as mentioned by Rodw. I am interested in at least I set. How much are you after? Would need them posted too. He listed my number happy for you to call. Cheers.
  • babinda01
  • babinda01
01 Feb 2025 12:14

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

Category: Computers and Hardware

Hi Guys,
I am hoping someone can point me in the right direction. I have a TangBOB board that I am trying to get a N4D3E16 MODBUS board (16 Digital In - 16 Digital Out) to work with.
This board will only allow Function codes 3 (Read Status) and 6 (Control Command).
I have all 16 inputs working well through to LinuxCNC, but I can't get the outputs to work. When I configure RIOCore to use function 6, it seems to assign it as a float, and so in the testgui it shows up as a slider.
Attached are a couple of pics of my configs and a page from the modbus boards manual.
I am hoping someone here might be able to point me in the right direction here.

Thanks
Andrew

 
  • michaeln
  • michaeln
01 Feb 2025 12:06

ESP32/S2/S3 LinuxCNC Controller (6 axis hardware step gen), USB plug-and-play

Category: Computers and Hardware

you can use the serial commands with a terminal like picocom.
try picocom -b 115200 /dev/ttyUSB0
But the spiethconfig does not work. Use the default settings
  • bananun
  • bananun
01 Feb 2025 11:38

Ethercat installation from repositories - how to step by step

Category: EtherCAT

Thank you for the reply! Sorry for the perhaps stupid questions, this is the first time for me with linuxcnc, ethercat and linux in general basically...

However I guess that means that the Etherlabs people have to do some kind of update for it to be compatible?

I guess I will continue on the 6.1.69 image from Cornholio then. I was able to update it to lcnc 2.9.4 and install ethercat through you guides (would not have been possible without them, so huge thank you!), and I guess it does not really matter to have the latest kernel right?
  • rodw
  • rodw's Avatar
01 Feb 2025 11:24

Ethercat installation from repositories - how to step by step

Category: EtherCAT

my bad. seems its not compatibleBuilding initial module for 6.12.11
Error! Bad return status for module build on kernel: 6.12.11 (aarch64)
Consult /var/lib/dkms/ethercat-dkms/1.6.2/build/make.log for more information.
dpkg: error processing package ethercat-dkms (--configure):
installed ethercat-dkms package post-installation script subprocess returned error exit status 10Possibly report a issue in Etherlabs gitlab
  • rodw
  • rodw's Avatar
01 Feb 2025 11:12

Ethercat installation from repositories - how to step by step

Category: EtherCAT

try:
sudo apt install dkms

dkms should be a dependency of ethercat-master
maybe it needs installing manually on the pi
  • rodw
  • rodw's Avatar
01 Feb 2025 10:59 - 26 Feb 2025 06:47
Replied by rodw on topic Mesa Suppliers

Mesa Suppliers

Category: Driver Boards

Give Brad a call. He's looking for some Mesa stuff and is in QLD too


Tell him I sent you
  • nicnucan
  • nicnucan
01 Feb 2025 10:55 - 01 Feb 2025 10:56

Remora - ethernet NVEM / EC300 / EC500 cnc board

Category: Computers and Hardware

Hello everyone,I have a question regarding uploading the Remora config, as the config upload runs into a timeout.

To explain: I am using an EC500 board flashed with the latest Remora CPP version. Uploading a new config has worked flawlessly multiple times before, but ever since I switched from Ubuntu Linux to the Debian LinuxCNC ISO, it no longer works and results in a timeout.

Reflashing the EC500 works without any issues. The board can be pinged and used without problems. However, the config upload using upload_config.py does not work.Has anyone encountered this issue before and maybe has a tip for me? I know that I could theoretically compile a modified config into a firmware build, but I would like to get the upload function working again. 

Thanks and best regards!
  • Chich2
  • Chich2
01 Feb 2025 10:50
Replied by Chich2 on topic Mesa Suppliers

Mesa Suppliers

Category: Driver Boards

Hello,I have 4 new (never used. In the packet) 6i25 7i76 cable pug and go kits for sale if anyone is interested.  I'm in North Queensland, Australia near Cairns.  There are 3 in this photo and i'm pretty sure I have the other kit in my draw at work. Thanks,Chich
 
  • Martin.L
  • Martin.L
01 Feb 2025 10:39
Replied by Martin.L on topic EL4031 setup for VFD

EL4031 setup for VFD

Category: EtherCAT

Hi Hakan, thanks for saving me again!

If can be useful to someone, for a 40K spindle ended up with :

loadrt scale count=1
addf scale.0 servo-thread
setp scale.0.gain 0.000025
net spindle-M3 spindle.0.on lcec.0.SPINDLE.aout-0-enable
net spindle-speed-scale spindle.0.speed-out scale.0.in
net spindle-speed-DAC scale.0.out lcec.0.SPINDLE.aout-0-value
  • beauxnez
  • beauxnez
01 Feb 2025 10:34

ESP32/S2/S3 LinuxCNC Controller (6 axis hardware step gen), USB plug-and-play

Category: Computers and Hardware

ok,
 I just found on the subject the config page on the github github.com/SybexX/ESP32_LinuxCNC_MotionC...in/SerialCommands.md,
 I don't understand where you have to type the commands to configure the card?
  • timo
  • timo
01 Feb 2025 09:59 - 03 Feb 2025 11:32

Stuck with spindle interface 7i76 card and weird BLDC driver

Category: General LinuxCNC Questions

Hello,

I tried to figure that out, but not really successful, so I spam the forum with the questions. (I have the feeling I should have found the information somewhere; maybe someone can point me in the right direction) 
I have a 6i25 card with a 7i76 card connected to my PC. Some stepper motors are running and can be moved with keyboard, a basic configuration is running.

Now I got stuck, trying to hook up the old BLDC driver (labeled TONMAN Brushless DC driver) or the machine (which I have no documentation for) seems not to run with an analog input. 
I tried to connect the Spindle interface somehow, but it does not want to run.

There is a pair of pins labeled +- (PWM / ANNA), but I think it is not really for analog input signal.
Hooking up a potentiometer (allowing to create a voltage between 0 and 5V) does nothing to a certain voltage. At approx. 2.6V it switches from "off" to "full speed".
I tried one of those PWM generators   which works fine. It allows to control the speed of the motor, no issue. I can adjust the motor speed by setting the duty cycle to anything between 10% and 100% and it seems to be what I need. 

Now the questions: Is it correct that in my situation the spindle interface of the 7i76 is just the wrong choice for my BLDC amplifier?
                                How do I make a PWM control for my spindle with the 7i76 (6i25)?
                               
Greetings Timo



 
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