Diagnostic Address For The Receiving Node With Direct Data Exchange - Siemens S7-300 Installation Manual

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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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For direct data exchange, you assign a diagnostic address in the receiver:
Figure 11-4 Diagnostic address for the receiving node with direct data exchange
In this figure, you see that for configuration in the receiver, you define a diagnostic
address that is assigned to the receiver. The receiver obtains information about the
status of the sender or about a bus interruption by means of this diagnostic
address.
S7-300 Automation System, Hardware and Installation: CPU 312IFM - 318-2 DP
A5E00203919-01
CPU 31x-2 as sender
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CPU 31x-2 as receiver
PROFIBUS
Diagnostic address
11-15