Re: Learning BDI Emc - Outputs

[Jack Ensor <jensor-at-qis.net>]

However, there would be a problem with multi axis machines with this
technique, since all the home switches electrically ganged together.
It would be quite likely that there would be more than one axis
resting on its cam at the start of the homing procedure.

Jack Ensor

Ray wrote:
> 
> Pete
> 
> I think that you have hit on an essential addition to the home sequence code
> here.  Most of the machines that I am acquainted with do it exactly this way.
> 
> Ray
> 
> On Wednesday 09 January 2002 04:38 pm, Pete wrote:
> > Just make a cam that extends from the home position to the end of travcel
> > in the appropriate direction - if it starts out on the homing switch the
> > logic should be able to drive off the cam and then go back onto it.
> >
> > Pete