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  • cakeslob
  • cakeslob
03 May 2025 19:36
Replied by cakeslob on topic Remora - ethernet NVEM / EC300 / EC500 cnc board

Remora - ethernet NVEM / EC300 / EC500 cnc board

Category: Computers and Hardware

yes the config wizards will be less than helpful in most cases. limits are easy, but estop is a case by case basis depending on how you wish to wire/config your estop. tux posted his estop example a few pages back, and there is an estop example in the remora docs hal section.

for the ini file, yes read the manual, but dont start adding a bunch of options that might not apply to remora.

based on my friends rast's config, the endstops might look like this depending if you do a limit or a limit+ home config. it looks like he has included both in his ini file.
# end-stops
#pin IN03
	#net X-max       remora.input.06        =>  joint.0.pos-lim-sw-in
	net both-x       remora.input.06        =>  joint.0.home-sw-in joint.0.pos-lim-sw-in
#pin IN04
	#net X-min       remora.input.07         =>  joint.0.neg-lim-sw-in
#pin IN05
	#net Y-max       remora.input.08         =>  joint.1.pos-lim-sw-in
	net both-y       remora.input.08        =>  joint.1.home-sw-in joint.1.pos-lim-sw-in
#pin IN06	
	#net Y-min       remora.input.09         =>  joint.1.neg-lim-sw-in
#pin IN07
	net both-z       remora.input.10         =>  joint.2.pos-lim-sw-in


the important part is making sure your remora.input.xx match the config.txt file. from the nvem config, label IN03 on the cover of the NVEM board is connected top data bit 6, aka remora.input.06
{
	"Thread": "Servo",
	"Type": "Digital Pin",
		"Comment":			"IN03",
		"Pin":				"P4_21",
		"Mode":				"Input",
		"Data Bit":			6,
		"Invert":			"True"
	},
  • Aciera
  • Aciera's Avatar
03 May 2025 19:31 - 03 May 2025 19:46
Replied by Aciera on topic Beginner Building a CNC - Questions About EtherCAT with Delta A2 and In

Beginner Building a CNC - Questions About EtherCAT with Delta A2 and In

Category: General LinuxCNC Questions

Some ethercat drives offer built in digital IO that can be used. Ideally the VFD used would also have an ethercat interface.
Many VFDs also offer an RS485 (Modbus) interface which can also be connected to linuxcnc via a USB-RS485 adapter.

LPT can certainly work but it can be a bit tricky to find a PC with low enough latency.

Given the isolation of your market you might want to start out by looking for a used PC with an LPT and an ethernet port and see how low you can get the latency. Mind you, I have no idea how easy/cheap it is for you to find used PCs to try but this would give you an idea of what step rates you could get out of an LPT port solution before buying the drives.

[edit]
I think it should be possible to use ethercat for the drives and the LPT port with one of those cheap breakout boards for the digital IO and the VFD.
  • DarkPhoinix
  • DarkPhoinix
03 May 2025 18:41
Replied by DarkPhoinix on topic [SOLVED]linuxcnc Latency test ambiguous results

[SOLVED]linuxcnc Latency test ambiguous results

Category: General LinuxCNC Questions

Old card nvidia 
 
new amd gifted by my friend 


4 winodws firefox youtube 4k and rustdesk!
  • Spyderbreath
  • Spyderbreath's Avatar
03 May 2025 18:40
Replied by Spyderbreath on topic Remora - ethernet NVEM / EC300 / EC500 cnc board

Remora - ethernet NVEM / EC300 / EC500 cnc board

Category: Computers and Hardware

Thanks for that fast reply! OK, so if I am understanding correctly, the EC500.hal is universal for all 3 RT1052 based controllers and I just need to edit the .ini file for my machine?

I have uploaded the nvem-rt1052.txt to the controller, and that seems to of worked well.

Looking at the ini file I am now seeing what my first problem has been, as nothing is there but the config for X Y and Z. No Estop, limit switches, spindle, etc.. So at this point I will need to go and RTFM, (this? linuxcnc.org/docs/2.8/html/config/ini-config.html), on the ini file and try to figure out what I am suppose to put there to get the rest to go.

Given that I am unfortunately a 101% tactile learner, where would be the best place on the forum to ask my questions about what I'm getting wrong as I proceed with this editing attempt?

Thanks again for the info as I have not seen that part explained before. This is a bit of help in the right direction. I'll take it none of the configuration wizards will be of any help in this endeavor?
  • PCW
  • PCW's Avatar
03 May 2025 18:25
Replied by PCW on topic None of the axis are moving - using mesa 7i92t with 7i76u

None of the axis are moving - using mesa 7i92t with 7i76u

Category: Basic Configuration

Do not wire Enable until you get things working.

 

Yep, on simple step drives, its a DISABLE input.
  • Roger S
  • Roger S
03 May 2025 18:18
Replied by Roger S on topic Using POSIX realtime

Using POSIX realtime

Category: EtherCAT

I can't enable debug mode. Could this be part of the problem?

roger@roger:~$ echo 1 | sudo tee /sys/module/ethercat/parameters/debug
[sudo] Passwort für roger: 
tee: /sys/module/ethercat/parameters/debug: Datei oder Verzeichnis nicht gefunden
1
roger@roger:~$ sudo modprobe -r ethercat
modprobe: FATAL: Module ethercat not found.
roger@roger:~$ sudo systemctl stop ethercat
roger@roger:~$ sudo modprobe -r ethercat
modprobe: FATAL: Module ethercat not found.
  • tommylight
  • tommylight's Avatar
03 May 2025 18:08
Replied by tommylight on topic Need help with Linux 2.5 on a CNC lathe

Need help with Linux 2.5 on a CNC lathe

Category: General LinuxCNC Questions

I can be found everywhere, if you know where to look, but i do not think you need that, yet, this should be fairly easy to figure out.
  • tommylight
  • tommylight's Avatar
03 May 2025 18:04
Replied by tommylight on topic free CADCAM

free CADCAM

Category: CAD CAM

-BlenderCAM forum.linuxcnc.org/31-cad-cam/26123-blen...-addon-it-s-now-2025
-FreeCAD had Path workbench
-PyCAM
-Inkscape has gcodetools included that can do 2D/2.5D
-DXF2Gcode can be used with LibreCAD
-Dmap2Gcode for depth map of images, i use it a lot for engraving
-Image2Gcode is included with LinuxCNC, just open an image and it shows
forum.linuxcnc.org/31-cad-cam/46947-viac...nux-and-mac?start=50
  • cakeslob
  • cakeslob
03 May 2025 18:03
Replied by cakeslob on topic Remora - ethernet NVEM / EC300 / EC500 cnc board

Remora - ethernet NVEM / EC300 / EC500 cnc board

Category: Computers and Hardware

darkpheonix try with this and go from there. if you are trying to set up a rotational axis, that is different than a linear axis in setup
[AXIS_Y]
MAX_VELOCITY = 5
MAX_ACCELERATION = 20.0
MIN_LIMIT = -0.01
MAX_LIMIT = 300.0

[JOINT_1]
TYPE = LINEAR
HOME = 0.0
MIN_LIMIT = -5.0
MAX_LIMIT = 300.0
MAX_VELOCITY = 5
MAX_ACCELERATION = 20.0
STEPGEN_MAXACCEL = 2200.0
SCALE = 1600
FERROR = 1.0
MIN_FERROR = 0.5
HOME_OFFSET = 0.0
HOME_SEARCH_VEL = 0
HOME_LATCH_VEL = 0
HOME_SEQUENCE = 0
P_GAIN = 300
FF1_GAIN = 0.1
DEADBAND = 0.001

these options are not real, and im unsure where you got them from.
STEPPER_TYPE = external
STEP_PIN = ystep       
DIR_PIN = ydir         
#ENABLE_PIN = yen       
STEP_INVERT = no       
DIR_INVERT = no        
ENABLE_INVERT = no     

[DRIVERS]
# Generali impostazioni dei driver passo-passo
STEP_SPACE = 100000
STEP_TIME = 100000
DIR_SETUP = 50000
DIR_HOLD = 50000
  • Hakan
  • Hakan
03 May 2025 18:01
Replied by Hakan on topic Using POSIX realtime

Using POSIX realtime

Category: EtherCAT

It's on the right track but I wonder how to pin-point exact reason and solution.
I have seen spelling mistakes cause this, but yours seems fine.
Can be the old network driver not unloading.
It's along those lines, the master can not get control over the network interface.
Can you set debug "ethercat debug 1", restart the ethercat server and show the dmesg again?
 
  • tommylight
  • tommylight's Avatar
03 May 2025 17:57
Replied by tommylight on topic None of the axis are moving - using mesa 7i92t with 7i76u

None of the axis are moving - using mesa 7i92t with 7i76u

Category: Basic Configuration

Do not wire Enable until you get things working.
  • Farzad
  • Farzad
03 May 2025 17:45 - 03 May 2025 17:48
Replied by Farzad on topic Beginner Building a CNC - Questions About EtherCAT with Delta A2 and In

Beginner Building a CNC - Questions About EtherCAT with Delta A2 and In

Category: General LinuxCNC Questions

hi andypugh thank you for replying. What interface would you recommend for getting started? I’m not looking for anything too fancy — just something to get the first few projects running. I’ll upgrade the machine later.As for second-hand servos, I haven’t been able to find many good options here. Most of the ones I’ve seen have been used almost to the point of failure, so I’m worried that if I buy them, they might break down quickly and I’ll end up spending twice as much.
  • cakeslob
  • cakeslob
03 May 2025 17:33
Replied by cakeslob on topic Remora - ethernet NVEM / EC300 / EC500 cnc board

Remora - ethernet NVEM / EC300 / EC500 cnc board

Category: Computers and Hardware

github.com/scottalford75/Remora-RT1052-c...xCNC/nvem-rt1052.txt

this is your config.txt and it loads on the board via tfpt, hence the NVEM in the title. It is board specific, and is the only thing board specific.

github.com/scottalford75/Remora-RT1052-c.../remora-rt1052-basic
this is the hal/ini file. it is not board specific. the same hal/ini file will work with the ec300 ec500 and nvem.

load the config.txt to the board, and load the remora-rt1052-basic in linuxcnc
dont go to any other github repos. dont run the file through AI. you configure your machine in the ini file.
  • Farzad
  • Farzad
03 May 2025 17:31 - 03 May 2025 17:48
Replied by Farzad on topic Beginner Building a CNC - Questions About EtherCAT with Delta A2 and In

Beginner Building a CNC - Questions About EtherCAT with Delta A2 and In

Category: General LinuxCNC Questions

hi rodw, thank you very much!
I have a question: if I don’t use Beckhoff and just use the computer’s Ethernet port or network card, how can I control things like the VFD for the spindle motor or coolant flow? Where would I connect those? Also, I live in Iran and unfortunately Mesa FPGA cards are not available here.
it’s almost like North Korea here — we can’t really order anything from abroad, so I haven’t been able to get any Mesa FPGA cards
  • SteepLearningCurve
  • SteepLearningCurve
03 May 2025 17:21
Replied by SteepLearningCurve on topic None of the axis are moving - using mesa 7i92t with 7i76u

None of the axis are moving - using mesa 7i92t with 7i76u

Category: Basic Configuration

Hi All

I have tried a few variations of wiring (but plugging it in to P1 surely didn’t help), more about that shortly.

I tried this

Mesa 7i76u TB2 axis to DM556T signal in.

Differential wiring:
GND
STEP- to PUL-
STEP+ to PUL+
DIR- to DIR-
DIR+ to DIR+
+5VP
(with ENA+ and ENA- on DM556T not connected)

I tried the same as above with
GND wired to ENA-
then
+5VP wired to ENA+
then
with both wired.


***************************
See Control Signals image which shows two different wiring for single ended.

I don’t know which type the Mesa 7i76u control uses, but I tried both of these.

Open-collector signal ties +5VP to PUL+ , DIR+ and ENA+
PUL- to PUL-
DIR- to DIR-

PNP signal ties GND to PUL-, DIR- and ENA-
STEP+ to PUL+
DIR+ to DIR+

***************************

Enable_disable image mentions this …

Enable signal:
This signal is used for enabling/disabling the drive.
High level +5V (NPN control signal) for enabling the drive, and low level for disabling the drive.

PNP and Differential control signals are on the contrary, namely Low level for enabling.

By default it is left UNCONNECTED (ENABLED).

***************************
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