Siemens SINAMICS Series Operating Instructions Manual page 444

Descriptions of functions
10.3 Communication according to PROFIdrive
Figure 10-9
Properties of the parameter channel
● One 16-bit address exists for each parameter number and subindex.
● Concurrent access by several PROFIBUS masters (master class 2) or PROFINET IO
supervisor (e.g. commissioning tool).
● Transfer of different parameters in one access (multiple parameter request).
● Transfer of complete arrays or part of an array possible.
● Only one parameter request is processed at a time (no pipelining).
● A parameter request/response must fit into a data set (max. 240 bytes).
● The request or the response header is user data.
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Reading and writing data
SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A