Communication
11.1 Communication according to PROFIdrive
Drive functions
738 Function Manual, 11/2017, 6SL3097-4AB00-0BP5
701 Supplementary PZD-2/5 - - -
Free interconnection and length
Dynamic Servo Control (DSC)
The PROFIdrive profile contains the "Dynamic Servo Control" control concept. This requires
PROFIdrive application class 4 and transfers not only the speed setpoint, but also the KPC
position controller gain factor and the XERR system deviation. With the aid of this data, the
position controller can be calculated in the drive. The position setpoint interpolation is still
performed in the controller. This can be used to significantly increase the dynamic
stability/stiffness of the position control loop in PROFIdrive application class 4.
Cyclic communication is used to exchange time-critical process data (e.g. setpoints and
actual values).
Telegrams and process data
The process data (PZD) that is to be transferred is defined through the configuration of the
drive unit (Control Unit). You can view and change the telegrams to be transferred in the
STARTER screen form:
Figure 11-1 PZD telegrams
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