beckhoff TE132x — 5.1.5 Bode Plot - Plot properties

Configuration | Bode Plot Velocity NC (without oversampling): executes a Bode Plot for the velocity. Velocity DRIVE (without oversampling): executes a Bode Plot for the velocity. Torque (without oversampling): executes a Bode Plot for the torque (or current). Position (primary feedback): executes a Bode Plot for the position. This mode is only available when an XPlanar mover is selected. The following settings are shown or hidden, depending on the mode. Position Monitoring Window [°]: defines a window that is monitored during the Bode Plot. The object must not leave this window. The unit actually set is read out and the number is interpreted in accordance with the unit.

Position Signal Amplitude [°]: this is where you set the amplitude of the excitation signal. Velocity Amplitude Scaling Mode: scales the signal amplitude during recording so that movements are not too large as the frequency increases. The following are available: Constant: the amplitude corresponds to the parameterized signal amplitude and remains constant over the entire frequency range. 1 / X at 1000Hz: scales the amplitude so that at 1000 Hz it has fallen to 1 / X of the start amplitude of 1 Hz (~1/f). Useful ratios in practice are 1/5, 1/10 and 1/20. Torque Amplitude Offset: specifies an offset for the torque amplitude [in %]. Torque Amplitude Scaling Mode:

scales the signal amplitude during the recording, depending on the current frequency. The following are available: Autoscale: scales the amplitude so that it is somewhat higher than the noise at a standstill. Constant: the signal amplitude remains the same over the entire frequency range. The amplitude 100 means 100% of the maximum current. Torque Signal Amplitude: represents the amplitude of the signal (or measurement) oscillation at 1 Hz (see Torque Amplitude Scaling Mode). The unit of measurement is to be taken from the system settings (e.g. Drive, NC, etc.) and cannot be specified here. Velocity Base Amplitude:

sets the amplitude of the basic oscillation (~1 Hz) for overcoming the static friction. The unit of measurement is to be taken from the system settings (e.g. Drive, NC, etc.) and cannot be specified here. Velocity Signal Amplitude: represents the amplitude of the signal (or measurement) oscillation at 1 Hz (see Velocity Amplitude Scaling Mode). The unit of measurement is to be taken from the system settings (e.g. Drive, NC, etc.) and cannot be specified here. Scaling Autoscale Gain: disables/enables the automatic scaling in the gain response chart. Gain Max: indicates the upper magnitude for the value axis in the gain response chart. Gain Min:

indicates the lower magnitude for the value axis in the gain response chart. Phase Max: indicates the upper end of the scale in the chart of the phase response. Phase Min: indicates the lower end of the scale in the chart of the phase response. Target Axis ID: states the ID of the drive axis that is to be used for this Bode Plot. WARNING The selected axis may not be part of an axis coupling (e.g. NC master/slave coupling, CNC hard or soft gantry). Otherwise, starting the recording can lead to injury to persons or damage to the machine. WARNING Axis Type: specifies the type of the selected axis. Target Net ID:

indicates the net ID of the target system that the drive axis is located on and which is to be used for this Bode Plot. When selecting an XPlanar mover, you must select the axis dimension. TE132x 22 Version: 1.3.0