Toolchanger error debug

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09 Jul 2022 17:44 #246964 by spumco
Replied by spumco on topic Toolchanger error debug

Hi
yes it has the tool changer.
I have downloaded the example
Sudo comp install toolchenger.. does nothing
Haven't plugged the computer into lathe as want to sort this side of things.. its getting frustrating now
Regards mike
 


Yes, you're frustrated, and it's horrible.  Linux is horrible for newcomers, myself included.

I'm not great with this but I'll try.  What linux distribution do you have?

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09 Jul 2022 17:48 #246965 by tommylight
Replied by tommylight on topic Toolchanger error debug
I would venture a guess that he is using the Wheezy ISO with LinuxCNC 2.7, from the pictures.

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09 Jul 2022 18:04 #246966 by Turners
Replied by Turners on topic Toolchanger error debug
Hi that is correct o downloaded the 2.7 of the download page. There two types not sure which one I download now
Debian

Yes it is frustrating and
Sorry if I come across rude. Not trying to be and I understand we are all doing this for free in own leasure.
Feel like I've brought a brick just gonna chuck it all in the skip lol

Any help would be appreciated thanks

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09 Jul 2022 18:33 #246969 by spumco
Replied by spumco on topic Toolchanger error debug
I think the first step is to get LCNC running, then worry about configuring it specifically for your toolchanger later.

Download the 2.8.2 ISO, burn the iso to a usb drive using rufus, and then install the whole thing.

You should wind up with Debian 10, plus linuxcnc installed.

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14 Jul 2022 23:08 #247330 by andypugh
Replied by andypugh on topic Toolchanger error debug

Sudo comp install toolchenger.. does nothing

Unless you are running a very old version of LinuxCNC then the command is "halcompile". 
And the -- signs are important. 
And you need to spell the file name correctly. 

Assuming that you have downloaded the toolchanger.comp file, and that you are in the same folder as that file, ie you can see it with the "ls" command. 
sudo halcompile --install toolchanger.comp

Should do the trick. 

 
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15 Jul 2022 11:03 #247366 by Turners
Replied by Turners on topic Toolchanger error debug
Thanks...
I have another problem I've measured the voltage on pin 2 on an onboard parallel port it read 3.5 volts is this enough to run stepper motors? Or is there a way to change to 5volts.?
Halcompile changes to what sort of file.?
Thanks in advance

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15 Jul 2022 11:13 #247367 by tommylight
Replied by tommylight on topic Toolchanger error debug
3.3V should work with stepper drives, new-ish ones do work for sure.

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16 Jul 2022 20:00 #247496 by andypugh
Replied by andypugh on topic Toolchanger error debug

I have another problem I've measured the voltage on pin 2 on an onboard parallel port it read 3.5 volts is this enough to run stepper motors? Or is there a way to change to 5volts.?
 

Most break-out boards operate by sinking current into the pin wen it is in a low state (P-Port pins can typically sink more current than they can source) 
Also 3.3V parallel port are generally 5V tolerant. meaning that you can pull them (weakly) up to 5V and then the pin pulls itself down in the low state. 
But, basically, using a generic £20 break-out board will hide this from you, and provide 5V step pulses. 

 
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