I have an Industrial CNC machine with Mach3 controls through a UC-100 USB adapter. I run through Dell laptop (16 Gb Ram, i7 processor). I am having issues with tripping limit switches and the machine going off the intended program profile. The manufacturer told me to disconnect the limit switches from the CNC driver processor, which I have done. This has eliminated the limit switch tripping but I still see to have an issue with the CNC machine getting out of synch with the program causing at least 1/16" shift in in the x,y, and z directions. The manufacturer is telling me the problem is due to interference noise in the computer or environmental. Has anyone had this problem?
Thanks,
Kevin

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