Siemens SIMATIC ET 200AL, System Manual

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PROFINET with the redundant S7-1500R/H system
6.9 Configuring media redundancy (MRP) for a configuration with the redundant S7-1500R/H system
PROFINET with STEP 7
Function Manual, 05/2021, A5E03444486-AL
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6.9 Configuring media redundancy (MRP) for a configuration with
the redundant S7-1500R/H system
Requirements
• Redundant S7-1500R/H system
• All devices in the ring support the media redundancy protocol MRP.
• IO devices are assigned to the redundant S7-1500R/H system.
Figure 6-14 Example configuration: Configuring MRP for S7-1500R/H
MRP role of the CPUs of the redundant S7-1500R/H system
As soon as you create a redundant S7-1500R/H system in STEP 7, STEP 7 automatically assigns
the MRP role "Manager (auto)" to the PROFINET interfaces X1 of both CPUs.
Defining the MRP role for additional devices of the ring in STEP 7
To specify the media redundancy for additional devices in the ring, follow these steps:
1.
In the network view of STEP 7, select the PROFINET interface X1 of one of the two CPUs of
the redundant S7-1500R/H system.
2. In the Inspector window navigate to "Properties" > "General" > "Advanced options" > "Media
redundancy".