Testing functions, Diagnostics and Fault Elimination
S7-300 Programmable Controller Hardware and Installation
A5E00105492-01
10-15
Diagnostic addresses with direct data exchange
You assign a diagnostic address to the receiving station when directly exchanging
data:
During configuration you define in
the receiver a diagnostic address
that is allocated to the sender.
The receiver receives information
on the status of the the sender or
on a bus interruption via this
diagnostic address.
CPU 31x-2 as Sender
CPU 31x-2 as Receiver
PROFIBUS
Diagnostic address
Figure 10-5 Diagnostic address for the receiving station with direct data exchange
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