John,

I backed off on the acceleration and now it can home much faster. I did not 
realize that parameter affected homing so much. I will have to put acceleration 
back to where it was to generate the error.

Thanks,
Eric


On June 26, 2015 5:04:41 PM EDT, John Thornton <[email protected]> wrote:
>The error would help a lot... on my plasma machine I have a "Rapid to 
>Home" button and after I'm done cutting and before shutting off I press
>
>the magic button. Homing only takes a few seconds when I fire it back
>up.
>
>JT
>
>On 6/25/2015 8:33 PM, Eric H. Johnson wrote:
>> Hi all,
>>
>>   
>>
>> I am not sure I understand why I cannot increase my home velocity for
>X and
>> Y. I have a 12' by 20' table and have not been able to increase  the
>home
>> velocity much above 0.25, which is tortuously slow (linuxcnc 2.6).
>> Unfortunately I did not write down the exact error message when I was
>at the
>> machine, but looking it up it seemed to indicate that the home sensor
>did
>> not stay stable long enough to complete the home.
>>
>>   
>>
>> My home sensors are micro-switches which are closed by a plate which
>first
>> contacts the home sensor, then the end of travel limit, and finally
>the hard
>> stop. Once contact is made, the switches never release until the axis
>> reverses direction.  The home sensors are debounced, and I increased
>the
>> debounce time from about 5ms to 10ms, so I am pretty sure there is
>not a
>> state change once the debounce time is satisfied on initial contact.
>>
>>   
>>
>> Is there something about the homing sequence I am still missing?
>>
>>   
>>
>> Thanks,
>>
>> Eric
>>
>>   
>>
><http://t.sidekickopen07.com/e1t/o/5/f18dQhb0S7ks8dDMPbW2n0x6l2B9gXrN7sKj6v4
>>
>LCQRN7fcnk8RJ6s6N8rBF7Rd3_yKW18Chwm1k1H6H0?si=6453247850577920&pi=90ee8c53-8
>> 5e5-4df5-b55c-48515242dba9>
>>
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