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  • hans48
  • hans48
09 Jun 2025 16:36
Replied by hans48 on topic Ein Neuling sucht Hilfe

Ein Neuling sucht Hilfe

Category: Deutsch

Hallo
Danke für die Nachricht
Ich suche das Doku was Peter (talla83) für die Installierung des Werkzeug Längenmessung erstellt hat, habe in der GITHUB gesucht aber nichts gefunden. Er hat es im seinem Video erwähnt das es eine genaue Beschreibung gibt.
Gruß Hans
  • PCW
  • PCW's Avatar
09 Jun 2025 16:32 - 09 Jun 2025 16:35

MESA 7i93 PWM question - motor rotation direction switch

Category: Advanced Configuration

Does DIR change in output type 0?

(maybe there's a hardware issue)
 
  • mehdidadash
  • mehdidadash's Avatar
09 Jun 2025 16:10
Replied by mehdidadash on topic speed not increasing

speed not increasing

Category: Basic Configuration

i changed z steps from 0.05 to 0.1 and it increased speed but it is lower than what i want and what it should be.
  • PCW
  • PCW's Avatar
09 Jun 2025 15:43 - 09 Jun 2025 17:22
Replied by PCW on topic Mesa 7i92T - compiling firmware

Mesa 7i92T - compiling firmware

Category: Driver Boards

There is definitely something wrong in the current source
I went through a bunch of test builds and sserial shows
some random startup issues.

Here's some older source that seems OK

freeby.mesanet.com/7i92t-hm2.zip

Sorry for the problem.

EDIT: found the issue, I built custom firmware for a company which had a hacked vhd file
that I meant to remove but was left in the 7I92t project...
 
You can use the current source by removing wordpr-efx-fpo.vhd from the project and adding
wordpr.vhd



Fixed firmware files:

 

File Attachment:

File Name: 7i92t_7i76_g540d.zip
File Size:282 KB


 

File Attachment:

File Name: 7i92t_g540...6-09.zip
File Size:284 KB


 
  • langdons
  • langdons
09 Jun 2025 15:42
Replied by langdons on topic Career in LinuxCNC/machine building

Career in LinuxCNC/machine building

Category: Off Topic and Test Posts

Also consider CNC repair (like a mechanic), CNC improvement, CNC retail, etc.

It will really depend on where you are, who you are, and wht you already have.

(if you own a big huge truck or van, you can transport machinery in it, for example)
  • langdons
  • langdons
09 Jun 2025 15:32
Replied by langdons on topic Career in LinuxCNC/machine building

Career in LinuxCNC/machine building

Category: Off Topic and Test Posts

Perhaps refurbishing old machines/reselling scrap machines would be more lucrative.

The world has lots of old machines.

For example, my late great uncle has (had?) an old metal lathe, which could be converted to CNC.
  • mehdidadash
  • mehdidadash's Avatar
09 Jun 2025 15:32
speed not increasing was created by mehdidadash

speed not increasing

Category: Basic Configuration

hi dear friends
i have this file.ngc which is used to produce a workpiece in series.
my issue is that speed does not increase . even when i change #4 parameter in file,ngc
i tested g0 and g1 in mdi and machine moves in 4800mm/min speed without any problem but when i run this file.ngc code, speed is limited to 130 roughly 
  • langdons
  • langdons
09 Jun 2025 15:20 - 10 Jun 2025 14:40
Replied by langdons on topic Flyback diode mesa 7i95t

Flyback diode mesa 7i95t

Category: Driver Boards

Removed speculative reply, potentially useful though it may have been.
  • Aciera
  • Aciera's Avatar
09 Jun 2025 15:18
Replied by Aciera on topic Career in LinuxCNC/machine building

Career in LinuxCNC/machine building

Category: Off Topic and Test Posts

you might want to give an indication of where in the world you would be doing business.
  • jay
  • jay
09 Jun 2025 15:12 - 09 Jun 2025 15:14

Career in LinuxCNC/machine building

Category: Off Topic and Test Posts

Hello friends, I'm new to the group and want to thank you all for your work and for being a helpful, knowledgeable community.
  
I'm interested in what I'm learning and would like to know what career options use this knowledge.  I see some guys mentioning that they've built cnc machines for years - I find that intriguing.  

It sounds like they have their own business; if so, how can I learn about setting up such a business (costs to get started, market in my area, projected income, etc).  I'm considering an engineering or software development degree but this is a career path I'd be interested in following if it continues show good chances of success after careful research.  By "success", I do NOT mean that I require a wealthy income, but 50 hr work weeks for $40k/yr net as an established entrepeneur - that might not be the best success option for me.
Thank you for any insights  
  • pingtomi
  • pingtomi
09 Jun 2025 13:46

MESA 7i93 PWM question - motor rotation direction switch

Category: Advanced Configuration

yes, I meant pin numbers as they are shown in the I/O column, but you are right I had a mistake as I tried to configure pwm1, but I experienced the same behavior with pwm0 on i/o pins 7 and 9.
if I use multimeter I see between 2,5..4V signal on pin6 (depends on the value, of course) but nothing on pin8. (corresponding 50pin numbers are 13,17)
/enable signals work properly.
thx
  • tommylight
  • tommylight's Avatar
09 Jun 2025 13:35
Replied by tommylight on topic Board for reading 3 encoders

Board for reading 3 encoders

Category: Computers and Hardware

Mesa 7i95T or 7i97T would be all in one, but price might be on the high side for what you need.
You can safely use just a Mesa 7i92T, but must be careful with wiring as the pins are sensitive.
Having said that, i have Mesa 7i92 wired on several of my plasma machines, meaning very high interference environment, and the THCAD is wired with 5-7 meters if cable directly to Mesa 7i92 input, yet i never have issues, ever.
This does imply proper shielding and grounding is a must.
In your case just having good shielded cables and grounding the shield only on the Mesa side inside the box should be fine.
  • PCW
  • PCW's Avatar
09 Jun 2025 13:29

MESA 7i93 PWM question - motor rotation direction switch

Category: Advanced Configuration

Are you sure you have the pinout correct?

PWM 0 uses 50 pin connector pins 15,19,23
  • tommylight
  • tommylight's Avatar
09 Jun 2025 13:28
Replied by tommylight on topic I've got a problem

I've got a problem

Category: Off Topic and Test Posts

I'm with you, like most of us probably. People like that come and go.

My advice would be:
1. Don't get your blood pressure up, it's not worth it.
2. Only clarify wrong statements that are relevant to the question at hand.
3. Ignore the rest of the babble.

+1
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