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  • Hartwig
  • Hartwig
12 Aug 2025 20:23

New member from Germany - CNC retrofit of a Leinen FM1

Category: General LinuxCNC Questions

Hi Andy,
yes it is that machine, It is not the only machine, it is the only prototype of the NC version..

My information is, that over serveral years less than a total of 20 units of all versions were built and sold.
There were 3 versions available
- a manual version (can be seen on on lathes.co.uk)
- a NC version like mine with combined servo-drives and handwheels
- a CNC version with a Siemens control,unit an without handwheels (there ios one on Ebay in Germany - can be fpund under "Prätecma")

Best regards

Hartwig
  • Beovoxo
  • Beovoxo
  • nichtAlex
  • nichtAlex
12 Aug 2025 19:16
Replied by nichtAlex on topic Mesa 7i76eu gpio pins not working

Mesa 7i76eu gpio pins not working

Category: General LinuxCNC Questions

Do you have power connected to the orange TB1 header? The Jumper W1 connects VIN to VField but you still need to supply power to VField/VIN and GND. My 7i76eu is powered entirely by 24V going to both TB1 Pin 5 / Pin 8 for field voltage and TB3 Pin 21/ Pin 24 for logic power. My PNP sensors work flawlessly although it took me some time to figure out how to set the inputs to sinking/sourcing.
  • Piton4ik
  • Piton4ik
12 Aug 2025 17:56 - 12 Aug 2025 17:58

Tool table crash after reboot or power off

Category: General LinuxCNC Questions

Hi all, i have a problem.
If i open tooltable to edit tool and  power supply goes out tooltable is crashed,
If i open tooltable to edit and go to shut down my pc, tooltable is crash.
How to fix it problem?
The power in my workshop often suddenly goes out because the electricians are repairing the old network.
 
  • mgm
  • mgm's Avatar
12 Aug 2025 16:58 - 12 Aug 2025 17:03
Replied by mgm on topic Switch relay in a defined x position

Switch relay in a defined x position

Category: Advanced Configuration

So, I've now tested it in a VM. 

If I leave the query in the function

if((position > stop1)&&;(position < stop2))
halt=1;
else
halt = 0;
I cannot activate the machine!
If I reverse the query, I can reference the machine and also move the axis to the position support.stop1 From this point on, the axis can no longer be moved.So far, so good! 

What I still don't understand:
- Where or with which pin is the reed sensor of the cylinder connected
  The reed sensor that tells me that the cylinder is retracted! 

Of course, this is now a simulation and on the real machine it is an input on the Mesa card, but there must be a pin to compare whether the spport.halt and reed sensor of the cylinder are the same or not? 

The motion.enable should only trigger when the two signals are different. 

So the axis is between the positions stop1 and stop2:
- If halt.motion is true and the cylinder's reed sensor is also true, the axis can continue to move- If the two signals are different,
 the axis must stop, which is what it is currently doing ...
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