Communication
11.1 Communication according to PROFIdrive
Drive functions
Function Manual, 11/2017, 6SL3097-4AB00-0BP5
753
Figure 11-8 Reading and writing data
Characteristics of the parameter channel
● One 16-bit address exists for each parameter number and subindex.
● Concurrent access by several additional 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 for each controller/device connection
(no pipelining).
● A parameter request/response must fit into a data set (e.g. PROFIBUS: Max. 240 bytes).
● The request or the response header is user data.
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