Siemens SINAMICS S120 Function Manual page 110

Servo control
3.15 Dynamic Servo Control (DSC)
The following PROFIdrive telegrams support DSC:
● Standard telegrams 5 and 6,
● SIEMENS telegrams 105, 106 ,116, 118.
Further PZD data telegram types can be used with the telegram extension. It must then be
ensured that SERVO supports a maximum of 16 PZD setpoints and 19 PZD actual values.
Note
Synchronization is required on the control side and on the drive side for the operation of
DSC.
Figure 3-23 Control principle using DSC
Activating
If the prerequisites for DSC are met, the DSC structure is activated through a logical
combination of the parameters p1190 "DSC position deviation XERR" and p1191 "DSC
position controller gain KPC" through a selected suitable PROFIdrive telegram.
If KPC = 0 is issued, only speed control with the speed pre-control value (p1430, typically
N_SOLL_B) can be used. Position controlled operation requires a transfer of KPC > 0.
110
Function Manual, (FH1), 10/2008, 6SL3097-2AB00-0BP5
Drive functions