There isn’t a problem with using a desktop. There have been interference issues reported using a computer with the grounded plug. Easy fix is to use a ground adapter or break off your ground pin on your chord/power supply if you have one.
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Don’t know, I assumed there was a difference cause everytime there’s a problem someone asked if its desktop or a laptop.
Sound like it’s the difference in the power supplies in the desktop transferring electrical noise.
Yes, for some reason when the control box and the computer share a ground it can cause interference issues.
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I think I remember ( and that is a long shot) that there was something one of the tech’s said about the length of some cables…and that the programs were calibrated to a certain length of cable…and that going too long might affect the operation of the systems…
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I remember reading the same thing… don’t remember the topic. I’m sure it’s in a “manual” somewhere?
Not too far of a long shot - January post - PSA - Primeweld Cut 60 plasma cutters - #8 by langmuir-aksel
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well done…thanks
I made my own laptop stand (as a first CFP practice project) that required a longer usb cord. I’m running a 10’ long cord. Bought a 4 pack of ferrite chokes and have 2 on each end. Zero issues so far.
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Good read, I’m running a hynade plasma cutter since I’m using off brand and unknown compatibility I want to make sure I don’t introduce problems into my setup. Thank you.
Thank you.
https://www.amazon.ca/hynade-Voltage-cutting-Inverter-Thickness/dp/B08JV9YH92
Is this the plasma cutter you’re using?
What’s the exact model number of that machine?
It sure has the hallmarks of a high frequency machine which if it is you absolutely shouldn’t use it on your CNC machine.
But provide your model number and we could look it up more thoroughly, they make several different plasma cutters. I see some use blowback style consumables and some use high frequency style consumables.
The model I have is the Hynade CUT60DN definatly a blow back low frequency model.
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After you have some run time on it please post your thoughts on the machine. I’ve been thinking about picking up their CUT80 machine as a dedicated cutter just for the CFP.
Somewhere langmuir states that their machines are designed for 40-50amp plasma cutters. I am unaware if going above that effects something. But it’s good for thought.
I think what you are referring to is that they say the water table is designed to work with plasma cutters running 45 amps or less.
@Bigdaddy2166 can testify to that… 
They say if you are using more than 45 amps you should consider providing a plate liner on the bottom of the table.
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That’s what I do. Have an old skanky piece of stainless plate I put in the pan when cutting the thick stuff at high amps. Have cut 3/4" and 1" without any issues.
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I have used a 15’ long cable from my desktop to do test runs on my legacy crosscut machine. I have it outside under my back porch and view it with an overhead mounted Ring camera during the practice runs. I get a lot of sun out there so only take my laptop out to run and cut when it’s cooler. I added two Ferrite beads to each end of the long cable. No problems on No plasma only dry runs. Shorter different cable, also with ferrite beads, during cutting.
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Good to know thanks.
USB A has a spec limit of about 10’ You can swing 15’ out of it if there’s not a lot of ambient electrical noise (not near a plasma cutter or welder). If you need to go further you can get USB over Ethernet adapters for less than $20 on Amazon (use a brand name… The Monoprice ones are fine) this will get you 100ft or so. Use a good quality Cat 6 or cat7 shielded network cable and try to run it as far from the table and Plasma cutter cables as possible. We use these adapters all over at the schools I work at (75-100 classrooms) with good results. I’ve not tried one in my Shop because my laptop is close. I’m moving to a new shop (yet to be built) so all my stuff’s in storage or I’d put one on and test it for you.
Good Luck!
(I’ve added links to the items I talked about. I get no kickback from the links and I don’t work for Amazon or the other companies. I’m just doing it to make it easy to find.)
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