1. Configuring LinuxCNC
  3. Advanced Configuration
  5. M3 SOURCE CODE

M3 SOURCE CODE

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21 Nov 2018 15:33 #121132 by COlger81
Replied by COlger81 on topic M3 SOURCE CODE
They're both 1:1 ratio. Motor internal.

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21 Nov 2018 15:34 #121133 by COlger81
Replied by COlger81 on topic M3 SOURCE CODE
GEARCHOICE component parameter of max low 2500 handles everything i need.

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21 Nov 2018 15:37 #121135 by andypugh
Replied by andypugh on topic M3 SOURCE CODE
Does the motor run at constant frequency? Or is there a VFD?

I assume you have a VFD or closed-loop spindle speed will never work!

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21 Nov 2018 17:38 #121142 by COlger81
Replied by COlger81 on topic M3 SOURCE CODE
It's a Fadal with a Baldor drive.

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21 Nov 2018 17:49 #121146 by andypugh
Replied by andypugh on topic M3 SOURCE CODE
And how is the drive controlled?

(This is like squeezing blood out of a stone, I am trying to help here, can you try to be a bit more forthcoming with your answers?)

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21 Nov 2018 18:05 #121148 by COlger81
Replied by COlger81 on topic M3 SOURCE CODE
Hah, sorry Andy. It's a Baldor VFD that receives +/-10v from 7i77 and passes through encoder signal to 7i77. Wye Delta motor has a quad encoder with index. The GEARCHOICE works as it should.

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21 Nov 2018 18:13 #121150 by andypugh
Replied by andypugh on topic M3 SOURCE CODE
Right, I think that
#net spindle-fb-rpm               mux2.0.out   =>   abs.spindle.in

needs to be
net spindle-output            mux2.0.out   =>   abs.spindle.in

Assuming that you do mean +/- 10V and not 0-10V (in which case the spindle-output needs to connect at the other side of abs.spindle)

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21 Nov 2018 19:14 #121156 by COlger81
Replied by COlger81 on topic M3 SOURCE CODE
That did not work. It raised a conflict with the following line;
net spindle-output <= pid.s.output mux2.0.in0

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21 Nov 2018 19:16 #121157 by COlger81
Replied by COlger81 on topic M3 SOURCE CODE
How can i just remap M19? I can achieve the same thing by;
M3S50
WHEN SENSOR IS TRUE
M5
LOCK ORIENT

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21 Nov 2018 19:22 #121158 by COlger81
Replied by COlger81 on topic M3 SOURCE CODE
The end goal is ATC. Getting pretty frustrated. Link to my other post which explains end goal.

forum.linuxcnc.org/10-advanced-configuration/35567-m6-remap-atc

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  1. Configuring LinuxCNC
  3. Advanced Configuration
  5. M3 SOURCE CODE
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