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Converting a DSP Controller system to Mach 3
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Topic: Converting a DSP Controller system to Mach 3 (Read 34378 times)
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Marwellca
39
Converting a DSP Controller system to Mach 3
«
on:
December 19, 2008, 07:19:52 PM »
Howdy all,
I recently purchased a used CNC Router with a DSP Controller system. I can't say that I like the DSP at all. Not enough feedback for me. How easy would it be to change the DSP controller to a computer hookup that I could run with Mach 3?
Keeping in mind that I am pretty much electronically illiterate I need to find a system that would be fairly easy to install.
The CNC is a Chinese unit that runs with 3 steppers and is 110 volts but 3 phase.
Martyn.
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Hood
25,835
Carnoustie, Scotland
Re: Converting a DSP Controller system to Mach 3
«
Reply #1 on:
December 19, 2008, 08:07:24 PM »
Do you have links to any doccumentation? As it is a stepper system then it will more than likely take Step/Dir inputs so should be possible to convert to Mach without much trouble but without knowing the system its impossible to say how hard it will be.
Hood
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Marwellca
39
Re: Converting a DSP Controller system to Mach 3
«
Reply #2 on:
December 19, 2008, 08:15:14 PM »
Hi Hood,
Sorry the documentation I have is very poor and the translations are not very good.
I can hook the DSP unit into my computer with a PCI SCSI card. I am going to check tomorrow with my local computer geek store and find out if I can get a cable with two male ends. Maybe I can hook one to my computer and the other to the input on the CNC machine. I do not know if that would allow me to command the machine or not.
Martyn.
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Hood
25,835
Carnoustie, Scotland
Re: Converting a DSP Controller system to Mach 3
«
Reply #3 on:
December 19, 2008, 08:17:53 PM »
SCSI will not work from Mach, you will need either parallel port or one of the external devices such as the SmoothStepper.
Hood
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Marwellca
39
Re: Converting a DSP Controller system to Mach 3
«
Reply #4 on:
December 19, 2008, 08:21:11 PM »
Well there goes that idea then, and it was such a nice one too. Can I get a parallel to SCSI cable? Would that work?
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Hood
25,835
Carnoustie, Scotland
Re: Converting a DSP Controller system to Mach 3
«
Reply #5 on:
December 19, 2008, 08:23:42 PM »
Dont think so
If you can scan the schematics you have maybe we can figure it out, some of us speak fluent Chinglish
Hood
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Marwellca
39
Re: Converting a DSP Controller system to Mach 3
«
Reply #6 on:
December 19, 2008, 08:31:33 PM »
Hood,
just took another look at what I have. I have an Adobe PDF file that may, I say again, may be the schematic for the board. Let me know what you think.
Martyn.
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Hood
25,835
Carnoustie, Scotland
Re: Converting a DSP Controller system to Mach 3
«
Reply #7 on:
December 19, 2008, 08:42:42 PM »
That looks as if it would be fairly easy to convert over,its late here (1:45am) so I will have a better look tomorrow. If I dont post please shout as I have a bad memory
Hood
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Marwellca
39
Re: Converting a DSP Controller system to Mach 3
«
Reply #8 on:
December 19, 2008, 08:44:33 PM »
Thank you kind sir, you are a gentleman and a scholar, and there aren't many of us left.
Talk to you tomorrow.
Martyn.
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Chip
2,055
Gainesville Florida USA
Re: Converting a DSP Controller system to Mach 3
«
Reply #9 on:
December 19, 2008, 10:36:45 PM »
Hi, Martyn
With the PDF file in hand you have most all the info you need to start planning this conversion.
It's a matter of removing the 50 pin interface board and installing a breakout board (BOB) w\Spindle control options.
Tracing the existing Interface boards 50 pin connector and making a 50 pin to 25 pin adapter cable mite also be a way to go.
At least your looking at stepper controls that are step & direction and sensors that are adaptable hear.
Chip
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