I am using EMC2 with Ubuntu 6.06 to control a CNC router (PMDX-131 breakout
board).

I have two limit switches per axis and am using the positive limit switches as
my home switches. Here is the HAL configuration for the inputs:

1) net ext parport.0.pin-10-in-not classicladder.0.in-01
2) net max-home-x <= parport.0.pin-11-in
3) net max-home-y <= parport.0.pin-12-in
4) net max-home-z <= parport.0.pin-13-in
5) net xyz-min-lim <= parport.0.pin-15-in

As you can see, I used up all the available inputs but need to integrate a
touch-trigger probe to the system.

Is there any way to connect the max limit switches in series to one input and
still be able to perform a homing sequence? In other words, can I have net
xyz-max-home <= parport.0.pin-11-in ?

Thanks for your help,

Patrice
Portland, OR





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