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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
A5E00105492-03
11-15
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The slave diagnostic data is compliant with EN 50170, Volume 2, PROFIBUS.
Depending on the DP master, diagnostic data for all DP slaves conforming to
standard can be read with 67(3.
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You assign a diagnostic address to the receiving station when directly exchanging
data:
CPU 31x-2 as sender
CPU 31x-2 as receiver
PROFIBUS
Diagnostic address
Figure 11-4 Diagnostic address for the receiving station with direct data exchange
The figure illustrates how you specify a diagnostic address assigned to the receiver
in the receiver during configuration. This diagnostic addresses is used by the
receiver to obtain information on the status of the sender or a bus interruption.
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