Config for a XY PlasmaC Help

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11 Oct 2021 10:48 #222837 by swepeter
Thanks you so much. 
My final form will have: 1xX motor and 2xY motors and inductive enstops for all three. But I do not have the endstops yet. 
And then a torch controlled from out01. 

Thanks. 
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11 Oct 2021 22:51 #222880 by phillc54
Sorry, I won't get a chance to look at this today. You may be able to setup a fake Z axis by copying from the ini and hal files in one of the plasmac sims. You will also need to connect a press button or similar to the float switch input to emeulate a successfull probe.

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12 Oct 2021 00:22 #222886 by rodw
Replied by rodw on topic Config for a XY PlasmaC Help
If you don't have a Z axis, you cant have a lot of the features Plasmac supports. no probing, no thc, no probing, no ohmic sensing etc...
You might be better off just building an ordinary XY machine so you don't have to fake all the stuff that is expected and your machine can't do.
If you need a pierce delay you could use a timedelay component tied to spindle.0.on that sets spindle.0.at-speed true after the delay.

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12 Oct 2021 11:30 #222921 by swepeter
That is true.

But when I try to load a example file with from a normal config I get:
F#<_hal[plasmac.cut-feed-rate]> ; feed rate from cut parameters

Can I add this config in to the normal?

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12 Oct 2021 12:00 #222926 by rodw
Replied by rodw on topic Config for a XY PlasmaC Help
Plenty of us used plasma machines before Plasmac existed.
Have a look at sheetcam. It will manage it all for you including feed rates.. You may need to modify a postprocessor, but thats not hard..
There are some resources here gnipsel.com/shop/plasma/plasma.xhtml

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12 Oct 2021 12:38 #222929 by swepeter
Thanks. I have already started to look at it =)
There is no free hobby version right? only the 110£ version?

Thanks so much for all the quick replies

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12 Oct 2021 13:20 #222934 by Clive S

Thanks. I have already started to look at it =)
There is no free hobby version right? only the 110£ version?

Thanks so much for all the quick replies

if I remember correctly you can load the full version but it will only let you use a restricted number of lines of code.

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12 Oct 2021 23:37 #222990 by phillc54
As an experiment I ran my plasma table without a Z axis and it ran fine, without any obvious issues.

All I did was connect a manaul switch to the float input, disconnect the Z axis motor driver and in the ini file I commented out the following lines:
#HOME_SEARCH_VEL = 50.000000
#HOME_LATCH_VEL = 1.000000
#HOME_FINAL_VEL = 100.000000

For your config (which deosn't have the above settings) it seems all you need to do is connect a switch to hm2_7i96.0.gpio.000.in to emulate a float switch and it should work as is. You could probably set the Probe Height to 100 so then it won't matter when you press/release the "float switch" so long as you do it before it "thinks" Z is at the bottom. It would also be best to set the Safe Height to 1.

It would not be too difficult to write a component that could emulate a float switch so then it would be fully automated.

 

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13 Oct 2021 00:29 #222991 by tommylight
Two of these should take care of floating stuff, i think...
linuxcnc.org/docs/html/man/man9/oneshot.9.html
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