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Can you post your hal and ini files?
 

Hello everyone,
I am also trying to connect the Mesa7i96s card to a Y620-A VFD.
I connected the pins as mentioned in the post above
22 - SPINDLE- to COM
23 - SPINDLE OUT to AI1
24 - SPINDLE+ to +10 V
S1 --> OUT4A
OUT4B --> COM
S2 --> OUT5A
OUT5B --> COM
The M3, M4 and M5 commands work, but I can't control the speed.
Any ideas?
Thanks
Milko

Great to hear you are making progress.

No need for the SPI_clk_div=32 in the loadrt command line, that is for the RPi4/3.

What fault / error is generated when the machine stops? I've still got the Octopus and RPi setup on the bench, will look to try your config again over the weekend.

Today, after updates, i am not able to start any flexgui ui .  Error: No module named 'psutil'

Wasn't exactly sure where to put this question. But this is like the third time it happened to me. Upon the initial startup I'll home out the axis, go to MEM, select a g-code file, then I hit start. And it'll race through the g code like the entire program was full of G0 commands. If I had a part in the machine it would have crashed.  It's like it ignored every G1 command. Once the cycle is done, If I hit start cycle again, it'll go through like it's supposed to. The strange part is, it does not do it every time. Is this a configuration issue or a G-Code issue or a Linux issue?