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S7-300 Automation System, Hardware and Installation: CPU 312IFM - 318-2 DP
11-20 A5E00203919-01
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The table below shows you how you can, for example, evaluate RUN-STOP
transitions of the DP master in the DP slave (see also the previous table).
Table 11-12 Evaluation of RUN to STOP transitions in the DP master/DP slave
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Diagnostic addresses: (Example)
Master diagnostic address =
Slave diagnostic address in the master
system=
Diagnostic addresses: (Example)
Slave diagnostic address =
Master diagnostic address = irrelevant
CPU: RUN " STOP → The CPU calls OB82 with the following
information:
• OB82_MDL_ADDR:=422
• OB82_EV_CLASS:=B#16#39 (incoming
event)
• OB82_MDL_DEFECT: = Module error
Tip: The CPU diagnostic buffer also
contains this information