Siemens SIMATIC RF185C Operating Instructions Manual page 24

Connection
PROFINET IO topology
PROFINET IO communication can be structured as a line topology or star topology. Also
note the information in the section "Supply voltage and PROFINET IO loop-through
(Page 39)".
Figure 5-1
Figure 5-2
24
Configuration graphic of a line topology
Configuration graphic of a star topology
SIMATIC RF185C, RF186C, RF188C
Operating Instructions, 10/2018, C79000-G8976-C512-01