Restrictions In The Run-Solo System State - Siemens SIMATIC S7-1500 Function Manual

7.5

Restrictions in the RUN-Solo system state

The primary CPU is in RUN operating state. The Backup CPU is in STOP operating state, is
switched off, defective, or not available.
Restrictions in the RUN-Solo system state
The primary CPU records the diagnostics states of the distributed I/O.
Figure 7-15 Diagnostics of the primary CPU and backup CPU in RUN-Solo system state
Diagnostics of the backup CPU
The following restrictions apply to the backup CPU:
● Diagnostics information from the backup CPU is only available when there is an online
connection to the backup CPU.
● A memory reset can only be performed with the backup CPU operator panel when an
online connection to the backup CPU is available.
Diagnostics
Function Manual, 11/2019, A5E03735838-AF
Diagnostics of the S7-1500R/H redundant system
7.5 Restrictions in the RUN-Solo system state
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