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Old 04-24-2008, 03:41 AM
 
Join Date: Dec 2007
Location: Australia
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eggo is on a distinguished road
limit switches

well only took 30 minutes to find this page. Question I have just got"Mach3" and am fitting limit swiches to the mill, on the X & Y axis with only one micro switch is fitted to each axis with stop at each end of travel. (I would call the stops a cam) Is this ok and also plan to use this as a home switch can you see any difficulty with this set up?
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Old 04-24-2008, 11:37 PM
 
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Eclipze is on a distinguished road

Not sure about just one switch per axis, I believe it should work fine. I've used two per axis (for + and - limits). In fact, I string all the - limits in one chain to one input, then same for the + limits. I also use the - limits for the home position too.
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Old 04-25-2008, 07:27 AM
 
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eggo is on a distinguished road

Eclipze thank you I hadn't thought of setting up the switches that way.
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Old 04-25-2008, 07:29 AM
 
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Eclipze is on a distinguished road

Your welcome ;-)
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Old 04-29-2008, 05:09 AM
 
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Greolt is on a distinguished road

Originally Posted by eggo View Post

Question I have just got"Mach3" and am fitting limit swiches to the mill, on the X & Y axis with only one micro switch is fitted to each axis with stop at
each end of travel. (I would call the stops a cam) Is this ok and also plan to use this as a home switch can you see any difficulty with this set up?

Yes this is OK. That is how I have my machines set up.

You can have both switches wired in series to one input. Mach can deal with that.

However if you have spare inputs it can be more convenient to use an input each.

A little easier for fault finding. You can also home both axis simultaneously if you wished.

Greg
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