A machine for executing a process , wherein the machine is configured to influence or to generate a target object as part of the process , wherein the machine comprises a sensor apparatus for detecting the target object , wherein the sensor apparatus comprises a sensor unit and an evaluation device , wherein the sensor unit is configured to detect the target object in a detection zone of the sensor unit and to generate a sensor signal that can be influenced by the target object , wherein the evaluation device is configured to process the sensor signal as a first input variable and to generate an output signal , which indicates the detection of the target object , in dependence on the sensor signal , wherein the evaluation device is configured to process a process parameter of the process , which acts on the target object , and/or a target object parameter , which characterizes the target object and is influenced by the process , as a respective further input variable, and to generate the output signal in dependence on the process parameter and/or the target object parameter , characterized in that the machine is configured as a machine tool, wherein the machine is configured, on the execution of the process , to machine a workpiece , preferably a plate-like workpiece , in a separating manner while forming a cut-free workpiece part , wherein the target object is formed by the workpiece part , wherein the machine is configured, on the execution of the process , to move the workpiece part from a workpiece support into a removal position by free fall, wherein the sensor unit is arranged such that the target object is detected by the sensor unit during the free fall into the removal position , wherein the evaluation device is configured to detect the target object in order to determine whether the target object has reached the removal position . wherein the machine is configured to influence or to generate a target object as part of the process , wherein the machine comprises a sensor apparatus for detecting the target object , wherein the sensor apparatus comprises a sensor unit and an evaluation device , wherein the sensor unit is configured to detect the target object in a detection zone of the sensor unit and to generate a sensor signal that can be influenced by the target object , wherein the evaluation device is configured to process the sensor signal as a first input variable and to generate an output signal , which indicates the detection of the target object , in dependence on the sensor signal , wherein the evaluation device is configured to process a process parameter of the process , which acts on the target object , and/or a target object parameter , which characterizes the target object and is influenced by the process , as a respective further input variable, and to generate the output signal in dependence on the process parameter and/or the target object parameter , characterized in that the machine is configured as a machine tool, wherein the machine is configured, on the execution of the process , to machine a workpiece , preferably a plate-like workpiece , in a separating manner while forming a cut-free workpiece part , wherein the target object is formed by the workpiece part , wherein the machine is configured, on the execution of the process , to move the workpiece part from a workpiece support into a removal position by free fall, wherein the sensor unit is arranged such that the target object is detected by the sensor unit during the free fall into the removal position , wherein the evaluation device is configured to detect the target object in order to determine whether the target object has reached the removal position . <EOS>