[Bdi4emc-help] configuring ini file

Sun Dec 3 22:18:52 CET 2006

Paul,
I need to have 3 axes homed.
Is it possible with present setup?
Alex

Paul wrote:

>Hi Alex
>
>On Friday 01 December 2006 17:50, alex wrote:
>  
>
>>But can you shed some light on setting limit and home switches?
>>I eyeballed  hardware section of the manual for some time and it looks
>>like they are hardwired for this version of  EMC ?
>>Are they wired this way: homes - pin 12
>>                                    limits + -pin 15
>>                                    limits - - pin 13 ?
>>Also , how can I ignore homing for Z axis?
>>    
>>
>
>The home and limit switches are hard coded in to the sources. For many users, 
>this limitation is not a problem, but for others, it is, so there is work 
>afoot to address this and other issues (more on that when the time comes).
>
>As for ignoring the homing on a single axis - If the axis with the home 
>switches use HOME_SWITCH_POLARITY=0, set HOME_SWITCH_POLARITY=1 for the axis 
>without a switch - As long as pin 12 is pulled high when X and Y are not 
>sitting on their respective switches, Z will always be evaluated as "homed". 
>Set the HOME and HOME_OFFSET parameters so that the homed axis does not sit 
>on a switch and you shouldn't have any problems.
>
>
>Regards, Paul.
>
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>