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Simplified Chinese Probing Touch Plate
The probing touch plate is similar to a 3D touch probe. It can be used to:
- Set the tool Z zero on the material
- Set the X and Y zero positions
Touch plates are typically designed to sit against the corner of the material, with a hole positioned directly above the material corner.
A hole probing routine can be used to locate the X and Y zero point.
To set the tool height (Z), the flat surface on top of the plate is probed.
If only Z zero is required, a simple touch plate can be made from a flat piece of aluminium or similar material.
A built-in switch-style touch-off device can also be used for Z zero only.
Always test the probe before starting a probing cycle. Trigger the probe and observe the indicator at the top of the screen. 
When triggered, the indicator will change to green. 
This can be done by:
- Touching the probe tip (for a 3D probe)
- Tapping the plate against the tool (for a touch plate)
Wiring Example
A simple probing touch plate can be wired as shown in the example diagram.
The Z probe offset value is used to compensate for the thickness of the touch plate. 
Refer to the Top of Part probing section for more information.
Probing Cycles
Probing cycles are available on the F3 Jog screen and can be accessed using the probing icon. 
The probing touch plate can be used with the interactive probing cycles, including:
Detailed descriptions of each probing cycle and parameters are available in the relevant documentation.
Probing Page
- Select the desired work offset (G54 to G59)
- Enable “Save probed data to file” if required
- Jog and probe each point
The data is automatically saved to a file on the USB flash drive: MASSO Part Probing data.txt
The file records:
- X, Y, Z working coordinates
- The probing cycle used
X Y Z Probing cycle
8.16788, 37.39982, 2.97500, PROBING_TOP
6.30388, 39.69582, 2.97500, PROBING_RIGHT
8.16788, 41.49582, 2.97500, PROBING_BOTTOM
9.81588, 39.69582, 2.97500, PROBING_LEFT
8.16788, 39.69582, 1.41500, PROBING_Z_AXIS
-0.32800, -0.25600, 2.97500, PROBING_INSIDE_HOLE
CAUTION: It is advisable to quickly test your touch probe before starting a probing cycle to ensure it is working properly. This is done by triggering the Probe and observing the indication at the top of the screen. When triggered the indication will change green This is done by touching the probe tip in case of a 3D touch probe or by tapping the plate against the tool in case of a probing plate.
The probing touch plate can also be used with G-code G38.2 probing cycles.
Combining Tool Setter and Probing Touch Plate
If using a touch plate as both a tool setter and probing plate, the Probe input and Tool Setter input can be connected together as shown in the diagram.
