Descriptions of functions
10.3 Communication according to PROFIdrive
SINAMICS DCM DC Converter
442
Operating Instructions, 12/2018, A5E34763375A
Figure 10-9 Reading and writing data
Properties of the parameter channel
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One 16-bit address exists for each parameter number and subindex.
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Concurrent access by several PROFIBUS masters (master class 2) or PROFINET IO
supervisor (e.g. commissioning tool).
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Transfer of different parameters in one access (multiple parameter request).
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Transfer of complete arrays or part of an array possible.
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Only one parameter request is processed at a time (no pipelining).
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A parameter request/response must fit into a data set (max. 240 bytes).
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The request or the response header is user data.