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  • CADdy
  • CADdy's Avatar
02 Nov 2025 16:37 - 02 Nov 2025 16:44
Replied by CADdy on topic mqtt-publisher

mqtt-publisher

Category: Advanced Configuration

With your settings, I only receive 7 values. 

After removing the axes and joints that are not present on my milling machine, the result is the same - only 7 values are received. Sorry, I don't understand the principle of keys entries.

I have now shortened the list to 9 entries and am only using one key= statement. This allows me to transfer all 9 values.
loadusr -W mqtt-publisher \
--mqtt-broker=[MQTT]BROKER --mqtt-user=[MQTT]USERNAME \
--mqtt-password=[MQTT]PASSWORD \
keys=halui.axis.x.pos-relative,halui.axis.y.pos-relative,halui.axis.z.pos-relative,\
halui.joint.0.is-homed,halui.joint.1.is-homed,halui.joint.2.is-homed,\
halui.estop.is-activated,halui.machine.is-on,halui.program.is-running \

  
Peter
  • Aciera
  • Aciera's Avatar
02 Nov 2025 16:25 - 02 Nov 2025 16:32

Try to activate Gladevcp with setp gladevcp -> Linuxcnc

Category: GladeVCP

1. usually a good idea to post the files
2. start your config from a terminal ($ linuxcnc) and check output for clues
3. I would recommend using a simple texteditor to edit the files not a word processor like the one in your screen shot.
  • PCW
  • PCW's Avatar
02 Nov 2025 16:15

Mesa sserial cards combination for 3 analog servos + I/O

Category: Driver Boards

If you are on the US, mesaus has some.

if in the EU, eusurplus shows stock


We will have more 7I97T stock in 7-8 weeks
  • kostas
  • kostas's Avatar
02 Nov 2025 16:11

Mesa sserial cards combination for 3 analog servos + I/O

Category: Driver Boards

Right! Well, I was sure as I wrote this that the 7I83 also has encoder inputs as well!
7i97T here says it's out of stock though:

store.mesanet.com/index.php?route=produc...t_id=397&search=7i97

Do you know when are you going to have it back in stock?

Also, on the previous subject, if I decided to go the sserial route adding e.g. a 7I85, is one of the stock firmwares going to work without modifications?
  • gardenweazel
  • gardenweazel's Avatar
02 Nov 2025 16:08
Motor Driver Electrical Question was created by gardenweazel

Motor Driver Electrical Question

Category: Basic Configuration

Hello All,
I am currently driving my stepper motors via DMT556T's with a 48vdc source.

The motors are from Stepper-Online model 23HS45-4204S .
They can handle 4.2A based on the specs provided.

The current settings offered by the DMT556T are as follows:

 

My question, which Peak Current setting should I be using?
  • PCW
  • PCW's Avatar
02 Nov 2025 15:53

Mesa sserial cards combination for 3 analog servos + I/O

Category: Driver Boards

You would need an encoder interface as well (7I85,7I85S,7I89)

Might be simpler/cheaper to use a 7I97T
 
  • kostas
  • kostas's Avatar
02 Nov 2025 15:36

Mesa sserial cards combination for 3 analog servos + I/O

Category: Driver Boards

I'm looking at the Mesa cards available now for driving 3 servos with +/-10V and thinking to go with a 7I94T, one 7I83 for the servo drives and one 7I84U for various I/O like limits and buttons. Since I have not worked with this combination before, I would like your input if this is going to work. Are one of these ready made firmwares going to work, or I will need to create a new one (I have done it more than 10 years ago for creating a custom one for a 5i22, but not sure what I did back then  )

7i94t_16m_fallback.bin
7i94t_5abobd.bin
7i94t_7i74_ss_bissd.bin
7i94t_7i74_ss_bissd.pin
7i94t_7i74ssd.bin
7i94t_7i74ssd.pin
7i94t_7i76d.bin
7i94t_7i77d.bin
7i94t_7i85sd.bin
7i94t_7i89d.bin
7i94t_7i89d.pin
7i94t_bissd.bin
7i94tss_bissd.bin
7i94tss_bissd.pin
7i94t_ssd.bin
7i94t_ssid.bin
  • sparviero
  • sparviero's Avatar
02 Nov 2025 15:02
Replied by sparviero on topic EtherCAT with OMRON R88D-1SN servo drive

EtherCAT with OMRON R88D-1SN servo drive

Category: EtherCAT

Hello again,
just a little update. On the repository i have added more information about current configuration but still a lot of work need to be done. Unlikely I have only one motor so i can't scale along 3 axes.

I have also updated a video on YouTube.



Next steps are:
  • resolve joint 0 amplifier fault when toggle machine power. This seems to happen only one time after LinuxCNC opening.
  • run and understand LinuxCNC / HAL Latency Test for a better configuration of LinuxCNC
  • set machine configuration parameters like: encoder resolution, velocity, acceleration, pitch of leadscrew...
  • implement PID control
  • customizing using PyVCP

 
  • DerKlotz
  • DerKlotz
  • Grandberg
  • Grandberg
02 Nov 2025 13:51

7i97T stepgen outputs dead, encoders & I/O OK - suspect damaged P2 interface

Category: Driver Boards

Thank you for the contact of the Eusurplus store. They responded instantly at any time of day, shipped quickly, and everything arrived quite fast — from Portugal to Bulgaria in just one day! Although people in Bulgaria aren’t the fastest, and local delivery took another three days, that’s a minor thing — plus there were weekends — still much faster than waiting for a shipment from the U.S. I’ve connected everything, and it’s all working now. I got a 7i95 board to replace my 7i97, so I can connect the motors directly in stepper mode. Now all that’s left is fine-tuning the machine’s logic.
  • PCW
  • PCW's Avatar
02 Nov 2025 13:40

MESA 7i76eu – I/O - Spannungsversorgung

Category: Deutsch

The drive manual shows that the alarm output is an optocoupler
This can connect directly to the 7I76UE field inputs


+24V --> ALM+
ALM- --> 7I76EU field input

 
  • Hakan
  • Hakan
02 Nov 2025 13:33

Ethercat, Canopen over Ethercat Lichuan Cl57E

Category: EtherCAT

Interesting concept, one driver supports 4 motors.

No problem with Canopen over ethercat. It is actually required for the device to use
Canopen over ethercat, CoE with linuxcnc. So all devices use it even the Beckhoffs.
No problem with coexistance.

There is no specific driver for the 57E but since it almost certainly is a cia402 drive there is a general driver to use.
The only a bit unique thing is to figure out the PDOs for motor 2, 3 and 4.
Can be done from the manual or from the drive itself.
  • tommylight
  • tommylight's Avatar
02 Nov 2025 13:32
Replied by tommylight on topic MESA 7i76eu – I/O - Spannungsversorgung

MESA 7i76eu – I/O - Spannungsversorgung

Category: Deutsch

Mesa 7i76 should have 4 analog inputs (do check if EU has) that you can use for amplifier fault at 5V, but it will require some HAL editing.
Should be field inputs 0-3
  • kor
  • kor
02 Nov 2025 13:14

Ethercat, Canopen over Ethercat Lichuan Cl57E

Category: EtherCAT

Hi,
i like to build a new control cabinett for my cnc machine. based on ethercat.
I am currently in the planing stage. I think the Lichuan CL57E are a great fit since from what I can read they can already do prettymuch everything I need. upto 4 closed loop stepper and tons of DIO.
de.aliexpress.com/item/1005009644510600.html
My problem is that it says it is canopen over ethercat. Does that mean other ethercat devices also need to be canopen? Or can I just connect my Beckhoff EK1100 and my servodrive to the same ethercat line?
Are there already drivers for lichuan ethercat devices?
Thanks for your help
  • 2tinker
  • 2tinker
02 Nov 2025 13:02
Replied by 2tinker on topic MESA 7i76eu – I/O - Spannungsversorgung

MESA 7i76eu – I/O - Spannungsversorgung

Category: Deutsch

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