Machsupport Forum
Mach Discussion => General Mach Discussion => Topic started by: golash on January 03, 2015, 08:20:30 PM
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Hi
I am rewiring my cnc and have a problem with the limits. I grouped all the limits for the + and – limit direction for
the z and y together. Another set of limits are grouped for the + and – limit directions for the X.
The limits are snap action limits and they are set for active low. When I press the reset it shows that
M1 + and M1- are yellow
M3+ M3- and M3 Home are yellow
It seems when I try to set them for active high the software LED change from yellow to gray. Then I can
reset. But when I open Mach3 for a new session I get the same problem telling me a limit was hit. It seems
I had to fool around with this even before I rewired my control box. In the old control panel each limit
switch was wired separately to the BOB. This new wiring is sharing the BOB inputs for multiple axes.
I`m lost!!
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If you attach your xml I will take a look.
Also are your switches Normally Closed or Normally Open?
Hood
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NC for the limits...thanks for taking a look.
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The only thing I see at the moment is that your X axis Home switch is set to the same port/pin as the A axis switches. Dont really see how that would make a difference but I am presuming that is not the way you have them connected as you dont have the A axis enabled.
Hood