Siemens SIMATIC ET 200AL, Системное руководство

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Functions
5.4 Media redundancy (ring topologies)
PROFINET with STEP 7
Function Manual, 05/2021, A5E03444486-AL
187
The following figure shows Ring 1 (mrpdomain-1). The participants of the mrpdomain-1 are
the PROFINET interface of the CPU as the "Client" and the MRP interface 1 of the
PROFINET interface of the switch as the "Manager".
Figure 5-45 Ring 1
The following figure shows Ring 2 (mrpdomain-2). The participants of the mrpdomain-2 are
the PROFINET interface of the IO device as the "Client" and the MRP instance 2 of the
PROFINET interface of the switch as the "Manager".
Figure 5-46 Ring 2