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  • FraesPaul
  • FraesPaul
04 Mar 2025 19:51

Installation 2.9.4 Debian Bookworm Preempt-RT ISO // Probleme

Category: Deutsch

Hallo, 
Problem 1: gelöst 

Problem 2: teilweise gelöst
Frage: meine CPU hat nur zwei Kerne, muß ich dann im grub-customizer   "quiet isolcpus=1"  schreiben ?

Problem 4: gelöst 

Problem 3:  nicht gelöst 
   hat Niemend eine Idee warum der Watchdog mit QTdragon nicht funktioniert ?
wie ich oben schon geschrieben habe, Konfiguration erfolgt mit Stepconfig.
schalte ich auf Gmocappy funktioniert es, 
schalte ich um auf QTdragon funktioniert es nicht, sonst keine Änderungen 


(deepl translation)Hello,Problem 1: solved  Problem 2: partially solvedQuestion: my CPU has only two cores, do I have to write “quiet isolcpus=1” in the grub-customizer ? Problem 4: solved  Problem 3: not solved does nobody have an idea why the watchdog does not work with QTdragon ?as I wrote above, configuration is done with Stepconfig.I switch to Gmocappy and it works,if I switch to QTdragon it does not work, otherwise no changes
  • tommylight
  • tommylight's Avatar
04 Mar 2025 19:34

Should I just suck it up and buy a good stepper driver?

Category: Driver Boards


I bought some DM860H and DM556 drivers off Ebay and Aliexpress, respectively; they worked, but have no flyback diodes.

As PCW mentioned above, they do have flyback diodes for sure, but over voltage will destroy them as soon as powered on, and so will wrong polarity, or worst case, powering them with AC power directly from the transformer, that can happen with a miss wired bridge rectifier.
Was it you that had a blown capacitor in another topic?
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