Siemens Sinamics S110 Function Manual page 438

Communication PROFIBUS DP
9.1 Communication according to PROFIdrive
Figure 9-16
Characteristics of the parameter channel
● One 16-bit address each for parameter number and subindex.
● Concurrent access by several PROFIBUS masters (master class 2).
● 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 task or response header are user data.
438
Reading and writing data
Function Manual, 10/2008, 6SL3097-4AB10-0BP0
Drive functions