Siemens SIMATIC S7-1500 Function Manual page 108

View of the system in the project tree
The system is in RUN-Solo system state
in STOP operating state
Because the system is in RUN-Solo system state, the following is displayed:
● For the system, maintenance demanded with problem in lower-level component
● For PLC_1, maintenance demanded
For PLC_2, online connection via partner
connected online to PLC_1.
Figure 7-6
Diagnostics
Function Manual, 11/2019, A5E03735838-AF
7.3 Diagnostics view in the project tree and in the device view and network view
.
Diagnostics example: Redundant system project tree (RUN-Solo)
Diagnostics of the S7-1500R/H redundant system
. PLC_1 is in RUN operating state
is displayed, as the programming device/PC is
, PLC_2 is
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