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Plasma Torch, first try and lots of questions

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01 Jan 2020 16:00 #153722 by CNCFred
Replied by CNCFred on topic Plasma Torch, first try and lots of questions
I sent an email to This email address is being protected from spambots. You need JavaScript enabled to view it. before your answer.
Is this the right contact?
I ordered it from Europe seller.
Now I am reliefed a bit since I didn't know exact what I did wrong...
Hope the drivers are OK...

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01 Jan 2020 16:07 - 01 Jan 2020 16:08 #153723 by PCW
Replied by PCW on topic Plasma Torch, first try and lots of questions
Yes, you can contact Mesa directly,

I asked specifically about switching the DC side of the field power because
if the card is repaired/replaced, if you switch the DC Field power, the
repaired/replaced card will be damaged as well.

(BTW do not apply fieldpower to the damaged 7I76E avoid further damage)
Last edit: 01 Jan 2020 16:08 by PCW.

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01 Jan 2020 16:21 #153725 by CNCFred
Replied by CNCFred on topic Plasma Torch, first try and lots of questions
Mr. Wallace from mesanet old me tomorrow an rma? But didn't mention repair on warranty.?

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01 Jan 2020 16:28 #153726 by PCW
Replied by PCW on topic Plasma Torch, first try and lots of questions
Yes, we will do a warranty repair/replacement
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01 Jan 2020 19:25 #153730 by rodw
Replied by rodw on topic Plasma Torch, first try and lots of questions

I smoked my 7i76e today


I have destroyed a few arduinos because I did not have spacers under the boards and I put them down on something metal bridging contacts.


Me too. I ended up buying 10 of them to keep up with the smoke signals!

With the 7i76e, there was no way it was powered up until it was fully mounted though
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01 Jan 2020 20:20 - 01 Jan 2020 20:36 #153732 by CNCFred
Replied by CNCFred on topic Plasma Torch, first try and lots of questions
Well.... The card is on the bottom buried under cables directly connected to power supplies...
Just to reply on the implication... :laugh:



I have setup some raspi and lolin32 for IOT and mqtt etc. :woohoo:
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Last edit: 01 Jan 2020 20:36 by CNCFred.

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08 Jan 2020 19:37 #154340 by CNCFred
Replied by CNCFred on topic Plasma Torch, first try and lots of questions
Update: Thcad300 arrived yesterday! Unfortunately no information from Mesa if the replacement 7i76e card as promised is on it's way... :S

Got time to read Hal and see Youtube Videos from Swolebro with lots of great Linuxcnc Info!
All the best!

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10 Mar 2020 10:46 - 10 Mar 2020 10:57 #159641 by CNCFred
Replied by CNCFred on topic Plasma Torch, first try and lots of questions
so, finally the thing is half alive all switches, motors ok, setup hardware faults found, but since I struggle with the setup of limit switches could you kindly advice which setup as here 1 or 2 does a plasma table have.
Z is somehow clear when this is decided I hope.


Thank you!
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Last edit: 10 Mar 2020 10:57 by CNCFred.

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10 Mar 2020 10:52 #159642 by rodw
Replied by rodw on topic Plasma Torch, first try and lots of questions
I have mine set up as per #2.
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10 Mar 2020 11:00 - 10 Mar 2020 11:02 #159643 by CNCFred
Replied by CNCFred on topic Plasma Torch, first try and lots of questions
does the tool coordinate system differ when you setup 1 or 2 ??
I have a problem understanding machine coordinates and tool coordinates..

I thought tool coordinates change from + to - and Gcodes then as well ...
Last edit: 10 Mar 2020 11:02 by CNCFred.

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