Siemens SIMATIC S7-1500R/H Getting Started page 27

Configuration
2.3 Configuring ET 200SP
4. In the Inspector window, STEP 7 displays the properties of the MRP domain in which
PROFINET interface X1 of the CPU is located. The CPU has the role "Manager (auto)" in
a redundant system.
5. In the "MRP role" column of the "Devices" table, assign the MRP role "Client" to all other
devices.
Figure 2-7 Assigning MRP roles to the ET 200SP
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S7-1500R/H redundant system
Getting Started, 10/2018, A5E44910930-AA