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Linuxcnc - plasma router - joint 2 flolowing error

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21 Jul 2019 17:13 #140086 by kofaki
Hello,


i build the plasma router 1m x 1m. I used LinuxCNC 2.7. and THC by Proma. On webpage Proma is simple config for LinuxCNC.

I used this config and modified the parallel port settings for my machine.

On axis Z i have float_switch and if i ON this switch, then on screen is error - "joint 2 flolowing error"

Can you please some help me, what is the problem ?




Many thanks !

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21 Jul 2019 17:36 #140089 by pl7i92
hi
quite a distorting file setup
but its ok
it coudt be all in 2 files

why are the
Zaxis scale 320 steps per mm the driver wont make it at 400mm/sec thats 160000steps per second no way to folow
a plasma Z shoudt have no more then 100 even less 0.01mm on THC is pretty low and you use 0.003mm 3times

you messet up on
setp stepgen.2.dirhold 45000
setp stepgen.2.dirsetup 45000
setp stepgen.2.maxaccel [AXIS_2]STEPGEN_MAXACCEL
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21 Jul 2019 20:22 #140110 by kofaki
Hi,

thanks.
On axis Z is chinese stepper motor without datasheet.


So, I have one next 2phase motor 1.8° with documentation.

On motor is leadscrew M8 with pitch = 2mm/rev.
I use motor driver with microstepping pulse/rev = 1600

How is the scale for axis Z ? It is 800 ?

Please, where i use 0.003mm 3times ?

Thanks

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21 Jul 2019 20:29 #140112 by tommylight
Have a read through howto and thc.hal file, everything is explained there.
For the float switch you already have two lines in thc.hal, just omit one and use the other.

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22 Jul 2019 00:03 #140127 by tommylight
You might want to use one of these configs that best suit your needs, new versions and with detailed direction for editing.

forum.linuxcnc.org/plasma-laser/34978-th...-with-how-to?start=0

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22 Jul 2019 08:30 #140164 by kofaki
Hello Tommy,


great, i check it config today :), thank you.

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31 Jul 2019 17:04 #141016 by kofaki
Hello Tomy,

i changed the config from Grotius (i found it in post forum.linuxcnc.org/plasma-laser/34978-th...-with-how-to?start=0) and this is the error :
Debug file information:
.
./stepper.hal:45: Pin 'joint.0.motor-pos-cmd' does not exist
5793
  PID TTY      STAT   TIME COMMAND
Stopping realtime threads
Unloading hal components


What is please wrong ?
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31 Jul 2019 18:33 #141026 by tommylight
What version of Linuxcnc are you using ?
That config is for 2.8 or 2.9, it will not work with 2.7 as it has joint/axis info in it.

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31 Jul 2019 20:36 #141038 by kofaki
aahhh, thank you, yeah, i use now 2.7. I upgrade it to 2.8

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31 Jul 2019 21:24 #141050 by tommylight
You are welcomed.

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