Tool change area
Negative X TCA limit Negative limit of tool change area in X axis coordinates.
If your machine has a tool change area within its working area, setting a tool change area will prevent the machine from driving into it. The tool change area guard can be activated with command tcaguard on.
Use redraw/recalculate function of the 3D view to see the tool change area on the 3D view after setting it up.
Negative Y TCA limit Negative limit of tool change area in Y axis coordinates.
Negative Z TCA limit Negative limit of tool change area in Z axis coordinates.
Positive X TCA limit Positive limit of tool change area in X axis coordinates.
Positive Y TCA limit Positive limit of tool change area in Y axis coordinates.
Positive Z TCA limit Positive limit of tool change area in Z axis coordinates.