What is the correct pin and port setting for auto tool zero on the Mach3 USB interface board. the auto tool macro works but does not stop lowering the bit when it touches the touch plate. It does not
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The port used with the Mach3 USB controller is Port 3. The pin associated with the input you are using matches the input terminal you are using. For instance, if you are using IN2, the pin number is 2.
