Y Axis Not Homing Correctly

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30 Jan 2022 22:22 #233584 by sd3534
Y Axis Not Homing Correctly was created by sd3534
Good Day: (If this is in the wrong spot I apologize)
Just installed Linux CNC and have the axis moving but the Y axis doesn't home correctly.
When I pres Home the axis moves to the limit switch, moves off the limit switch, zeros the display and moves back until the limit switch is made again which doesn't allow me to run any programs since the limit switch is made.
The X axis homes perfect.
Any ideas?
Thanks
 

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30 Jan 2022 23:00 #233589 by cmorley
Replied by cmorley on topic Y Axis Not Homing Correctly
I would guess that you configured the y axis wrong in the INI.
Please post your config files

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30 Jan 2022 23:45 #233594 by sd3534
Replied by sd3534 on topic Y Axis Not Homing Correctly
Thanks for the quick reply, I have attached my INI file.
I "assume" when you mentioned "confg" files that meant the INI file.
Thanks
Attachments:

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31 Jan 2022 01:41 #233597 by cmorley
Replied by cmorley on topic Y Axis Not Homing Correctly
INI is probably all we need but it is a blank file.

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31 Jan 2022 04:34 #233604 by sd3534
Replied by sd3534 on topic Y Axis Not Homing Correctly
Trying again, sorry.
Attachments:

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31 Jan 2022 05:20 #233605 by cmorley
Replied by cmorley on topic Y Axis Not Homing Correctly
I notice in axis 0 vrs axis 1:

axus 0
HOME_SEARCH_VEL = negative
HOME_LATCH_VEL = positive

axis 1
HOME_SEARCH_VEL = negative
HOME_LATCH_VEL = negative

That makes axis1 latch twice.
linuxcnc.org/docs/2.7/html/config/ini-ho...homing-configuration
Was that on purpose?

What is the actual error message?

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31 Jan 2022 07:39 - 31 Jan 2022 07:40 #233611 by Clive S
Replied by Clive S on topic Y Axis Not Homing Correctly
Re:-
[AXIS_1]
TYPE = LINEAR
HOME = 0.0
MAX_VELOCITY = 2.0
MAX_ACCELERATION = 30.0
STEPGEN_MAXACCEL = 37.5
SCALE = 1600.0
FERROR = 0.05
MIN_FERROR = 0.01
MIN_LIMIT = -0.01
MAX_LIMIT = 12.0
HOME_OFFSET = 0.000000
HOME_SEARCH_VEL = -1.000000 ( the - sign changes the direction of travel)
HOME_LATCH_VEL = -0.312500 ( try removing the - sign then it should reverse the direction of travel)
Last edit: 31 Jan 2022 07:40 by Clive S.

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31 Jan 2022 14:21 #233633 by sd3534
Replied by sd3534 on topic Y Axis Not Homing Correctly
Not sure why I set it up that way, I changed it in the config and it fixed it (insert face slapping emoji here)
Thanks very much for the help!

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