Siemens SIMATIC S7-1500R/H Getting Started page 33

Configuration
2.4 Configuring HMI devices
5. In the "Connection partner" list, select the CPU "PLC_1".
6. Using drag-and-drop, draw a line between the networked PROFINET interfaces of "HMI
right" and the right-hand CPU. The "Connection partners" list opens.
7. In the "Connection partner" list, select the CPU "PLC_2".
Result: You have set up the HMI connections from the HMI devices TP1900 Comfort to the
CPUs.
Figure 2-13 HMI connections set up
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S7-1500R/H redundant system
Getting Started, 10/2018, A5E44910930-AA