Operator controls and operating modes of the CPU 410-5H
7.2 System states of the redundant CPU 410-5H
CPU 410-5H Process Automation
112 System Manual, 09/2014, A5E31622160-AB
System status change from the standalone mode system status
Requirements:
● For CPU access protection with password: You have entered the CPU access password
with the menu command PLC > Access Rights > Setup in SIMATIC Manager.
● You have opened the "Operating state" dialog box using the PLC > Diagnostics/Setting >
Operating state menu command in SIMATIC Manager.
● The standby CPU is not in ERROR-SEARCH operating state.
Changing to redundant system state (starting the standby CPU)
1. In the table, select the CPU that is in STOP, or the fault-tolerant system.
2. Select the Restart button (warm restart).
Changing to system status STOP (stopping the running CPU)
1. In the table, select the CPU that is in RUN, or the fault-tolerant system.
2. Select the STOP button.
Note
Any set up access right is not canceled until you stop the SIMATIC Manager. You should
reset the access right once again to prevent unauthorized access. You reset the access right
in the SIMATIC Manager with the menu command PLC > Access Rights > Cancel.
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