Siemens SIMATIC S7-1500 System Manual page 417

Commissioning
12.4 Operating and system states
STEP 7
Displaying the system state:
The R/H-system operating panel (Online & Diagnostics) displays the system status.
Changing the system state:
On the R/H system control panel (Online & diagnostics):
• STOP system state: Press the STOP R/H-System button.
Figure 12-13 STOP system state on the R/H system control panel
On the CPU control panels (Online & diagnostics):
• RUN-Redundant system state: Press the RUN R/H-System button on both CPU operator
panels.
Note
Please note that you cannot switch the S7-1500R/H system to the RUN-Redundant system
state over the R/H system control panel. You implement the RUN-Redundant system state
by switching each CPU on its control panel to RUN.
416
S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF