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Home Forum Configuring LinuxCNC PnCConf Wizard 7i43 + 7i39

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TOPIC: 7i43 + 7i39

Re:7i43 + 7i39 14 Apr 2012 10:32 #19206

  • cmorley
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It musta been a typo.
BLDC is the current driver. PNCconf uses it - you should see some lines with it.

What missing there is commands to set the 3pwm gens to the proper options (if there are any) and
connect the BLDC outputs to the 3pwmgen's inputs.
Which bldc outputs are connected depends on what options for BLDC you have chosen.
just from the comment it seems you chose 3 outputs from there the options are bit output or analog output.
I'm pretty sure you want analog output.
that should lead us to something like connecting signal named x-a-value to the 3pwm gens a-value pin (for x axis) same for the b and c value. etc

What you need is a sample config to look at. I'll see if i have one that Andy gave me.
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Re:7i43 + 7i39 15 Apr 2012 06:48 #19219

  • PKM
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Found a bug, encoders mixed up: 00 for Z, 02 for X etc.
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Re:7i43 + 7i39 15 Apr 2012 16:07 #19227

  • cmorley
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could you post your pncconf file?
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Re:7i43 + 7i39 16 Apr 2012 03:24 #19234

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O sorry that's just about P3 and P4 connectors. P4 is 00 and 01, P3 is 02 and 03. And I started with X on P3.

But another problem is when I do not enable index in brushless config, index-related strings are created anyways in HAL. Which results in error because when bldc is loaded with
loadrt bldc cfg=q,q,q
it has no index pins like bldc.0.index-enable.
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Re:7i43 + 7i39 16 Apr 2012 09:40 #19248

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Ok i can look at that - thanks for the report !
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