Siemens SINAMICS S120 Function Manual page 343

Application class 1 (Standard drive)
In the most basic case, the drive is controlled via a speed setpoint by means of
PROFIBUS/PROFINET. In this case, speed control is fully handled in the drive controller.
Typical application examples are basic frequency converters. Pump and fan control.
Figure 10-1
Drive Functions
Function Manual, (FH1), 07/2007 Edition, 6SL3097-2AB00-0BP4
M
Application class 1
Communication PROFIBUS DP/PROFINET IO
10.1 Communications according to PROFIdrive
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