Figure 4-13 Pn/Io With System Redundancy - Siemens SIMATIC PCS 7 CPU 410-5H System Manual

I/O configuration variants
4.6 System and media redundancy at the PROFINET IO interface
Station numbers
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
72
PN/IO with system redundancy
CPU 410-5H Process Automation
System Manual, 09/2014, A5E31622160-AB