Diagnostics In The Run-Redundant System State - Siemens SIMATIC ET 200AL Compact Operating Instructions
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Diagnostics of the S7-1500R/H redundant system
8.4 Diagnostics in the RUN-Redundant system state
8.4
Diagnostics in the RUN-Redundant system state
Diagnostics view in redundant mode
Primary CPU and backup CPU are each in the RUN-Redundant operating state.
In the RUN-Redundant system state, the primary and backup CPUs display the online data of
the redundant system irrespective of which of the two CPUs has the online connection.
The diagnostics between the two CPUs is synchronized (diagnostics entries, diagnostics
events).
The "Alarm display" tab shows the alarms of the redundant system.
You can find more information in the Diagnostics view in the project tree and in the device
view and network view (Page 1157).
No error in RUN-Redundant system state
If no error is detected in the RUN-Redundant system state, all diagnostics icons in the project
tree and in the network view show "No fault"
Figure 3-85 Diagnostics example: No fault in the RUN-Redundant project tree
1166
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Function Manual, 11/2023, A5E03735838-AH
Diagnostics
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