Homing Issue
23 Mar 2020 19:44 #161258
by Niskyspy
Homing Issue was created by Niskyspy
Hi All,
I can't figure out the homing configuration for my mini mill. I am using 7i96 card with LMS 3990 The axis moves at HOME_SEARCH_VEL toward the homing switch, it triggers the switch and zeros out the axis The issue I am having is that
the axis does not back off for a recheck HOME_LATCH_VEL. It just stays right in position with the switch engaged.
I've tried changing the values and sign (+/-) for HOME_SEARCH_VEL, HOME_LATCH_VEL, SCALE, HOME, HOME_OFFSET but just cant get it to work.
I can't figure out the homing configuration for my mini mill. I am using 7i96 card with LMS 3990 The axis moves at HOME_SEARCH_VEL toward the homing switch, it triggers the switch and zeros out the axis The issue I am having is that
the axis does not back off for a recheck HOME_LATCH_VEL. It just stays right in position with the switch engaged.
I've tried changing the values and sign (+/-) for HOME_SEARCH_VEL, HOME_LATCH_VEL, SCALE, HOME, HOME_OFFSET but just cant get it to work.
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23 Mar 2020 19:52 #161262
by rodw
Replied by rodw on topic Homing Issue
What version? Homing changed in V 2.8
But this is my code with seperate home and limit switches.
And with shared home/limit on Z axis
But this is my code with seperate home and limit switches.
MIN_LIMIT = -0.01
MAX_LIMIT = 1258
HOME_OFFSET = 45
HOME_SEARCH_VEL = -100
HOME_LATCH_VEL = 10
HOME_FINAL_VEL = 50
HOME_USE_INDEX = NO
HOME_SEQUENCE = -1And with shared home/limit on Z axis
MIN_LIMIT = -84
MAX_LIMIT = 0.001
HOME_OFFSET = 1.0
HOME_SEARCH_VEL = 10
HOME_LATCH_VEL = 5
HOME_FINAL_VEL = 10
HOME_USE_INDEX = NO
HOME_SEQUENCE = 0
HOME_IGNORE_LIMITS = YES
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23 Mar 2020 20:18 #161268
by Niskyspy
Replied by Niskyspy on topic Homing Issue
I am running V2.8
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23 Mar 2020 22:52 #161291
by Niskyspy
Replied by Niskyspy on topic Homing Issue
I looked into more after work and it was a faulty switch, it would open contact for a microsecond and the close. Replaced the switch and it’s working like a charm. Love Linux CNC!!!
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