Plasma/Mesa Guru's
What do you mean by "change"? The pin allocations on the headers are set by the Mesa firmware, if that is what you mean. It is not easy to change them. What is currently plugged in to the header which contains the encoder pin you want?How do I change the encoder #0, pin A (input) , that is where I want the FO+ to go, I think.
Yes. It needs to have the same name as you are going to call it with, and it needs to be in the folder pointed to by the PROGRAM_PREFIX setting in your INI file. It also needs to contain a sub and an endsub.Next.... I completely don't seem to get subroutines. Do I make the subroutine as a seperate file?
what do I do with it. I tried making a file labeled touchoff.ngc and put your subroutine info in it, then put that into the same folder as the xtrim gcode file and I just get an error message "error on line 6 can't open <touchoff>
You should have a file called touchoff.ngc in your PROGRAM_PREFIX directory.
The file needs to contain:
O100<touchoff> SUB
{G-code here}
O100<touchoff> ENDSUB
M2
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I ran your xtrim file and it goes for the probe, I hit the momentary switch on my desk and then a few seconds later it takes off to start cutting.doesn't it need an arc ok signal before it will proceed to start traveling?
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www.linuxcnc.org/docview/html/gcode_main...ec:M66-Input-Control
John
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The stepper outputs are on the 7i42:
Pins 100 and 101 for the X
Pins 106 and 107 for the Y
Pins 1012 and 1013 for the Z
I currently don't have any limits wired, but probably will down the road, and I am currently still using the parallel port for the torch relay and signals as john did.
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freeby.mesanet.com/st8p.zip
the ST8_PLASMA.PIN lists the pinout, note that all high speed I/O is on P2 now (where the 7I42 should be) P3 and P4 just have GPIO .
I also only connected the 'A' pins of the 2 encoder counters present so as not to waste the 'B' or 'I' pins
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Heres a bitfile with a more rational pinout for use with a 7I42TA:
There ought to be a +10 karma button. That's what I call customer service.
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PCW wrote:
Heres a bitfile with a more rational pinout for use with a 7I42TA:
There ought to be a +10 karma button. That's what I call customer service.
Andy, you just keep pressing it
John
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