Siemens Simatic S7-1500R System Manual page 123

Wiring
5.8 Connecting interfaces for communication with S7-1500R
2. Plug the PROFINET cable RJ45 connectors into the RJ45 sockets at PROFINET
interfaces X1 P1 R on the two R-CPUs. Connect the other PROFINET devices in the
PROFINET ring.
Figure 5-7
122
PROFINET interface X1 P1 R: Connecting PROFINET devices to S7-1500R (bottom
view)
S7-1500R/H redundant system
System Manual, 10/2018, A5E41814787-AA