Siemens Sinamics s120 Commissioning Manual page 346

Diagnostics
4.2 Diagnostics via STARTER
Parameterizing and using the trace function
Note
Detailed information on how to parameterize and operate the trace function is available in
the STARTER online help in Chapter "Trace, measuring functions and automatic controller
setting".
Image 4-5
The unit cycle time display flashes 3 times at around 1 Hz when the time slice is changed
from < 4 ms to ≥ 4 ms (see description under "Properties"). The display also flashes in the
inverse direction from ≥ 4 ms to < 4 ms.
346
Trace function
STARTER Commissioning Manual
Commissioning Manual, (IH1), 07/2016, 6SL3097-4AF00-0BP5