7i77 plug and go issues
01 Jul 2020 21:19 #173342
by robf100
7i77 plug and go issues was created by robf100
I currently have my 7i77 wired correctly (I think) to my 3 axis mill, but I am getting no results through pnconf. I have tried testing all axis and the spindle, no results. If there a simple thing I forgot to wire up? I only have the axis and spindle connected, no limit switches or E stop. I watched many videos and took a week break from the project in general. I'm new to linux cnc, so wondering if anyone could help
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01 Jul 2020 21:42 #173344
by PCW
Replied by PCW on topic 7i77 plug and go issues
Have you tried running the pncconf created hal/ini files?
Note that when you first connect analog servos you should expect runaways
so initial testing is best done with bare motors if possible
Have you gone through the first steps in this tutorial?
gnipsel.com/linuxcnc/tuning/servo.html
Note that when you first connect analog servos you should expect runaways
so initial testing is best done with bare motors if possible
Have you gone through the first steps in this tutorial?
gnipsel.com/linuxcnc/tuning/servo.html
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01 Jul 2020 23:11 - 01 Jul 2020 23:12 #173361
by tommylight
Replied by tommylight on topic 7i77 plug and go issues
Have a read through this, plenty info on wiring and testing a 7i77 with servo drives.
forum.linuxcnc.org/10-advanced-configura...ning-detailed-how-to
forum.linuxcnc.org/10-advanced-configura...ning-detailed-how-to
Last edit: 01 Jul 2020 23:12 by tommylight. Reason: forgot link
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08 Jul 2020 19:54 #174021
by robf100
Replied by robf100 on topic 7i77 plug and go issues
This made me realize that I was using a stepconf file I had previously made for no reason(duh). So I went to use my pncconf file, it was missing. I can't find it anywhere and every new one I made crashes upon opening. I'm stumped. At this point I've made 5 different pncconf files and every single one crashes
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09 Jul 2020 04:21 #174052
by rodw
Replied by rodw on topic 7i77 plug and go issues
Its time to edit your config by hand. If you run linuxcnc from the command line it will usually tell you the error.
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09 Jul 2020 05:33 - 09 Jul 2020 05:33 #174054
by PCW
Replied by PCW on topic 7i77 plug and go issues
Your pncconf created file should run if it was created for the correct hardware
LinuxCNC rarely crashes but it will exit if there is a problem in the hal file or the
interface hardware. Before LinuxCNC exits, it will print the error that prevented it from starting.
Depending on the error (and LinuxCNC version), running from the command line
(as rodw mentioned) or looking at the kernel message log with "dmesg" should
allow you to find the error that is keeping LinuxCNC from starting.
Common errors that prevent pncconf created configurations for mesa hardware
from starting are:
Wrong firmware for daugtercard (should not be an issue with a card kit)
No 5V power on daughtercard
No field power on daughtercard
LinuxCNC rarely crashes but it will exit if there is a problem in the hal file or the
interface hardware. Before LinuxCNC exits, it will print the error that prevented it from starting.
Depending on the error (and LinuxCNC version), running from the command line
(as rodw mentioned) or looking at the kernel message log with "dmesg" should
allow you to find the error that is keeping LinuxCNC from starting.
Common errors that prevent pncconf created configurations for mesa hardware
from starting are:
Wrong firmware for daugtercard (should not be an issue with a card kit)
No 5V power on daughtercard
No field power on daughtercard
Last edit: 09 Jul 2020 05:33 by PCW.
The following user(s) said Thank You: rodw
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