1. TE132x | TC3 Bode Plot
2. Overview

Overview

The TwinCAT 3 Bode Plot is the ideal tool for the analysis and optimization of mechanical resonances within a mechatronic system. The TwinCAT Bode Plot can be used in connection with the AX5xxx drives from Beckhoff. It shows the gain and the phase of a system for every frequency within a frequency range. A graphic display of the stationary reaction, at an output to a harmonic excitation (“sinus oscillation”) at an input of a system, is thus possible with this tool within the scope of TwinCAT measurement in Visual Studio. Problematic frequency ranges are easy to recognize in the Bode diagram. With the help of filter sets, possible filter settings and their effects on the drive can be simulated in the TwinCAT Bode Plot before the settings for optimizing the drive axis are physically loaded.

Key-Features:

• Illustration of mechanical resonances
• Determination of the bandwidth, as well as phase and amplitude reserves
• Direct simulation of the filter and its effect on the system
• Adaptation of filters to optimize resonance points

Principle of operation:

For the harmonic excitation of a drive axis, the frequencies can be specified in the TwinCAT Bode Plot, integrated in Visual Studio as an independent Measurement project. The input data are transmitted in the real-time context and then driven automatically for the selected axis. The current output values for amplitude gain and phase shift are continuously transmitted during the execution to the charting of the Bode Plot in order to graphically display the results.

WARNING

Risk of injury due to the drive axis starting up automatically

In order to make the Bode Plot recording, the drive axis executes a motion sequence that is dependent upon the settings. At the start of the Bode Plot recording the drive axis starts up automatically in accordance with the set motion profile and can endanger people and material. During the Bode recording the drive axis remains integrated in the application context (e.g. releases, monitoring, etc.).

• Ensure safety during the Bode Plot recording.

Product level / feature list:

This table shows which functions are available at which product level with the corresponding licensing: