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Topics - Donniem70

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General Mach Discussion / Limit Switch rest
« on: January 15, 2018, 08:18:02 AM »
I have done the search and have not found an answer to my issue. Maybe I did not word my search quite right who knows. lol

I purchased used home built cnc plasma machine and have been trying to work out some bugs and do a couple of up grades.
The z axis limit switch was not operational and it did does not have a THC on it. I purchased a THC to install and began to install. First thing I need to do is get the z axis limit switch operational.
 
I found the switch was bad. Replaced it. Then found that the setting in Mach3 were not correct. Changed those and Boom, it worked. Kind, lol.

My Issue. When I jog down and the limit switch triggers (opens) it stops. Like it is suppose to. I hit rest jog the reverse direction, as soon as the limit switch (closes) it stops again. I have to hit the reset again to continue motion. I am sure its something simple that I am over looking.

What could it be?

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