Description MACH3 Auto Check Instrument Engraver Machine CNC Z Axis Router Mill Touch Plate ToolSpecifications Wire Material CopperDiameter About 35mmThickness About 19 2mmEffective Surface Diameter 25mmCable Length 1 2 MDiameter 0 2 square feetUsing System NCStudio SystemColor BlackRed BlackWhiteFeatures 1 Black base organic insulating materials high voltage 1000V or more 2 Material impact resistance fatigue resistance resistance to deformation 3 Metal parts aluminum light metal material soft texture excellent electrical properties 4 Relative brass iron the head is not easy to damage 5 All components of non magnetic materials6 Increase efficiency it can speed up to measure the distance between the Z axis and engraving items Using Method 1 Connect the wire of this tool check insturment to the tool connector of your Control board of the machine then the control boards GND connect to the frame of your router the frame of the router and the spindlemust have connections 2 Two ways to connect this item If your interface board has the limit switch port or other probe port you can connect it to that port If your interface board does not have that port your driver board has that port you can connect it to the driverboards limit switch port3 Then in the Mach 3 you need to setup the probe Mach3 Config Ports and Pins Input signals Probe enabled the pin number type the one you use and the Auto Tool Zero in the attachment it is the code you c