Operation
7.5 Communication via PROFIBUS DP
SINAMICS DCP
222 Operating Instructions, 09/2019, A5E34382853K
Sequence of drive objects in the telegram
On the drive side, the sequence of drive objects in the telegram is displayed via a list in
p0978[0...24] where it can also be changed.
You can use the STARTER commissioning tool to display the sequence of drive objects for a
commissioned drive system in online mode in the project navigator under "Drive unit"
>
"Communication" > "Telegram configuration".
When you create the configuration on the controller side (e.g. HWConfig), the process-data-
capable drive objects for the application are added to the telegram in this sequence.
The following drive objects can exchange process data:
● Control Unit (CU_DCP)
● DC control (DCP_CTRL)
Note
The sequence of drive objects in HW Config must be the same as that in the drive (p0978).
After the first entry with "0" in p0978, it is not permiss
ible that drive objects are configured in
The telegram structure depends on the drive objects taken into account during configuration.
Configurations are permitted that do not take into account all of the drive objects that are
present in the drive system.
Example:
The following configurations, for example, are possible:
● Configuration with CU_DCP, DCP_CTRL
● Configuration with DCP_CTRL
● And others
7.5.1.2 Example of a telegram structure for cyclic data transfer
Task
The drive system comprises the following drive objects:
SINAMICS DCP with the objects
● Control Unit (CU_DCP)
● DC control (DCP_CTRL)
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