Step 1: Editing Cpu Parameters Offline; Step 2: Stopping The Reserve Cpu - Siemens SIMATIC PCS 7 System Manual

System modifications during redundant operation
10.5 Editing CPU parameters
10.5.2

Step 1: Editing CPU parameters offline

Starting situation
The fault-tolerant system is operating in redundant system mode.
Procedure
1. Edit the relevant CPU properties offline in HW Config.
2. Compile the new hardware configuration, but do not load it into the target system just yet.
Result
The modified hardware configuration is in the PG/ES. The target system continues operation
with the old configuration in redundant system mode.
10.5.3

Step 2: Stopping the reserve CPU

Starting situation
The fault-tolerant system is operating in redundant system mode.
Procedure
1. For CPU access protection with password: In SIMATIC Manager, select a CPU of the
fault-tolerant system, then select
"PLC > Access Rights > Setup" from the menu. Enter the CPU access password.
2. In SIMATIC Manager, select a CPU of the fault-tolerant system, then select "PLC >
Operating Mode" from the menu.
3. In the "Operating Mode" dialog box, select the standby CPU and click "Stop".
Result
The standby CPU switches to STOP mode, the master CPU remains in RUN mode, the
fault-tolerant system works in single mode. The one-sided I/O of the standby CPU is no
longer addressed.
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CPU 410-5H Process Automation/CPU 410 SMART
System Manual, 09/2014, A5E32631667-AB