Vital CNC Control User Guide
© 2014 Vital Systems, Inc.
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The I/O mapping can also be checked from the Mach3 Diagnostic Tab.
If the Mach3 signals do not correctly activate in response to the state of the Digital Input, then you may
need to check the “Status Window” to see if the Digital I/O state works (or is wired) correctly. If the
signal polarity is incorrect, the active low setting can be changed in the Ports and Pins Config.
