HELP! with following error! cant figure it out

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5 years 5 months ago #208397 by Taz
Hi All

I have a problem getting my machine to work with MESA 7i96 and Stepper driver TB6600.i tried changing the step/dir timing with no success. i lowered the velocity and acceleration to 400mm/min, Ii still get the following error with joint xx.

Hardware:
- MESA 7i96
-TB6600 + NEMA23

Software:
-LinuxCNC version 2.8.1
-4.9.0-8-rt-686-pae

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5 years 5 months ago #208403 by PCW
Not sure what's going on, the hal/ini files look OK at first glance.

What joint has following errors?

Are there any other errors?

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5 years 5 months ago - 5 years 5 months ago #208404 by Taz
My machine setup is XYYZ lead screw driven.
So most of the time I get joint 0 (X axis) I kept changing step/dir timings now I get following error joint 1 & 2. Now I think of it, it happened with the same software and post-processor. I used aspire 3D carving, maybe I should try a different software, do you think that would be a cause of the following error?

My LinuxCNC message was task error 942 at command 12045
Last edit: 5 years 5 months ago by Taz.

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5 years 5 months ago - 5 years 5 months ago #208405 by PCW
I tried your hal and ini files and I don't see any issues

Its not likely bad gcode could cause a following error but I guess
if it triggered a LinuxCNC bug it could.

Does something simple like the LinuxCNC text work?

Step timings are probably not significant here (you are a long way
from going fast enough to run into step timing limits)
Last edit: 5 years 5 months ago by PCW.

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5 years 5 months ago #208407 by Taz

PCW wrote: I tried your hal and ini files and I don't see any issues

Its not likely bad gcode could cause a following error but I guess
if it triggered a LinuxCNC bug it could.

Does something simple like the LinuxCNC text work?

Step timings are probably not significant here (you are a long way
from going fast enough to run into step timing limits)


yes, i just ran it and worked perfectly!. i ran few V-carving jobs, simple texts and objects. i did not have any issues if i recall correctly. i attached the gcode i used. it would run fine till lines 11k and then it starts giving me the issue.

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5 years 5 months ago - 5 years 5 months ago #208408 by Taz
somebody posted this gcode to test step/dir timings. idk if it does work because i didnt get any errors.
Code:
( test program to see if Z axis loses position ) ( msg, test 1 of X axis configuration ) G21 #1000=100 ( loop 100 times ) ( this loop has delays after moves ) ( tests acc and velocity settings ) o100 while [#1000] G0 X1.000 G4 P0.250 G0 X0.500 G4 P0.250 #1000 = [#1000 - 1] o100 endwhile ( msg, test 2 of X axis configuration S to continue) M1 (stop here) #1000=100 ( loop 100 times ) ( the next loop has no delays after moves ) ( tests direction hold times on driver config and also max accel setting ) o101 while [#1000] G0 X1.000 G0 X0.500 #1000 = [#1000 - 1] o101 endwhile ( msg, Done...X should be exactly .5" above table ) M2

the output from linuxCNC
Code:
LINUXCNC - 2.8.1 Machine configuration directory is '/home/taz/linuxcnc/configs/workBee_Base' Machine configuration file is 'workBee_Base.ini' INIFILE=/home/taz/linuxcnc/configs/workBee_Base/workBee_Base.ini VERSION=1.1 PARAMETER_FILE=linuxcnc.var TASK=milltask HALUI=halui DISPLAY=axis COORDINATES=XYYZ KINEMATICS=trivkins coordinates=XYYZ kinstype=BOTH Starting LinuxCNC... Starting LinuxCNC server program: linuxcncsvr Loading Real Time OS, RTAPI, and HAL_LIB modules Starting LinuxCNC IO program: io Starting HAL User Interface program: halui Found file(REL): ./workBee_Base.hal Found file(REL): ./custom.hal Starting TASK program: milltask Starting DISPLAY program: axis 62914563 joint 0 following error emc/task/taskintf.cc 942: Error on joint 0, command number 5063
Last edit: 5 years 5 months ago by Taz.

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