Cnc touch plate probing on mac1/2/2023 NOTE: the values must be in the same units as your jog controller to work correctly. Here you will enter the parameters of the touch plate. Under the Window tab select Plugins and then Probe Module. Step Three Slide the three-pin connector onto the GND Pin and SCL Pin as shown.Īfter the touch plate is connected to the controller, open UGS. Step two Slide the female ends into a DuPont three-pin block leaving the middle connector slot empty as shown. Step One Strip ¼” of insulation from both wires and crimp a DuPont female pin connector on to each one as shown. To create a touch plate, we purchased an inexpensive kit online, shown below. The GRBL firmware on the microprocessor sets the bit at Z0 on a workpiece. When a touch plate is activated, the router bit descends on the Z-axis and contacts the touch plate completing the circuit and a 5v pulse is sent to the controller. At the other end of the wire, one side is connected to a touch plate and the other to an alligator clip which allows it to be attached to the router bit. One side of the circuit is wired to the GND pin on the Arduino controller shield, and the other side is wired to the SCL pin. A touch plate is a simple electrical switch.
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