I/O configuration variants
4.6 System and media redundancy at the PROFINET IO interface
CPU 410-5H Process Automation/CPU 410 SMART
System Manual, 10/2013, A5E32631667-AA
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3. Download the new project to the master CPU.
4. Start the fault-tolerant system.
Note
Using the topology editor
Use the topology editor in HW Config.
The IO devices can be configured as one-sided or redundant. The station numbers must be
unique across both PROFINET IO interfaces and between 1 and 256.
PN/IO with system redundancy
The figure below shows the system-redundant connection of three IO devices using one
switch. Two additional IO devices are also connected in system redundancy.
Figure 4-13 PN/IO with system redundancy
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