Ejemplo modificado etch servo a 5 ejes

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29 Aug 2020 21:58 - 29 Aug 2020 22:11 #179973 by Profed81
How can I modify etch servo configuration from a 2 axis to a 5 axis?
I bought a lpt pci port to have more inputs.
I can't buy servo drivers because I have no money :)
In the image below is the type of the machine that i wants to control
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Last edit: 29 Aug 2020 22:11 by Profed81. Reason: I don't speak English

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29 Aug 2020 22:28 #179979 by tommylight
Attached you will find a ready made config with 4 axis and a VCP panel that shows everything from PWM output to encoder inputs, just add another axis.
Some editing required, but for 4 axis it works as is and it looks like this:
Attachments:

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30 Aug 2020 19:16 #180100 by Profed81
I think linux can only handle up to 8 encoder inputs, so what function should I add to the hal code to add a steper motor on the 5th axis?

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30 Aug 2020 19:48 #180101 by PCW
LinuxCNCs encoder component can handle up to 8 encoders. Why would you need more than 5 encoders? (or possibly 6 if you have a spindle encoder)

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30 Aug 2020 19:59 - 30 Aug 2020 20:01 #180102 by Profed81
I mean 8 channels, does that mean 4 servo motors?
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Last edit: 30 Aug 2020 20:01 by Profed81.

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30 Aug 2020 20:01 #180103 by PCW
No, that would support up to 8 servo motors with encoder feedback to LinuxCNC

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30 Nov 2020 05:49 #190650 by Profed81

Attached you will find a ready made config with 4 axis and a VCP panel that shows everything from PWM output to encoder inputs, just add another axis.
Some editing required, but for 4 axis it works as is and it looks like this:

Where is that file?
It needs to be compile?

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30 Nov 2020 09:55 #190662 by tommylight
It is attached in the above post, no compiling, just unzip and start linuxcnc with the included ini file.
It does use parallel ports.

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