HEIDENHAIN iTNC 530 HSCI - Observing essential values with the integrated oscilloscope

6 – 66 HEIDENHAIN Service Manual iTNC 530 HSCI
Figure: Peaks in the current and servo-lag signals
8 Place the cursor at a prominent spot on the current or servo-lag signal and stretch the time axis
-->Details can be observed more easily.
Conclusion Ideally, you have older recordings of the machine which you can now compare with the new ones.
Striking signal changes, abrupt fluctuations or continuously high values indicate problems with
the mechanics of the axis.