Measurement Method

In this method, calibration is based on physical measurement using measuring tools and devices. Therefore, the precision of the measuring instruments, measurement accuracy, and the mechanical error of the machine directly affect the quality of the calibration. While this method does not provide the accuracy level of the calculation method, it is widely used because it does not require knowledge of components such as motors, gearboxes, pulleys, and gears (information which may not always be available).

The fundamental principle in this method is to measure the displacement that corresponds to a known number of pulses.

To make calibration easier, more precise, and faster via the measurement method, Radonix offers a free software tool called CAM-Pro Calibrator. This software is automatically installed along with Radonix’s main software and calculates the calibration step based on the physical displacement of the axis and the number of pulses required for that displacement. (Figure 1)

Since pulse counting is handled by the controller in this method, there is no error in pulse count. Thus, the measurement accuracy in this method directly depends on the accuracy of the physical measurement.

Moreover, increasing the distance between the two measured points increases the number of pulses and the denominator in the calculation. Since the error remains constant, the resulting step value becomes more precise. Therefore, performing calibration over a larger distance between two points yields more accurate results.

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Warning
Never run two Radonix software instances at the same time, as one of them will not go online. Always ensure that all other Radonix software is closed before launching the one you wish to use.