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FAQs / Re: Wiring Limit, Home and E-Stop Switches

« on: February 28, 2016, 11:03:17 AM »

Hi I am new to cnc ing I am having trouble with my limit switches. I have the e stop all wired and works fine. To test my wiring for 1 limit I used 18 gauge sheilded 4 wire. I run 1 wire from pin 13 to the limit switch  (nc) and returned with a wire to the 5v pin. I set mach3 it shows correctly and works as it is supposed to.  As soon as I plug in the power supply for the stepper motors it falsely trips the switch. What am I doing wrong or what is the problem.  Can anyone help me.