Connection
5.1 Network topology
SIMATIC RF185C, RF186C, RF188C, RF186CI, RF188CI
28 Operating Instructions, 04/2020, C79000-G8976-C512-03
Reader connector system
A reader always occupies one M12 socket on the RF18xC/RF18xCI. You can connect the
reader to the communication module using a preassembled cable. The connection cable is
available in lengths of 2, 5, 10, 20 and 50 m as standard. If necessary, these can be
extended.
Figure 5-1 Overview of connections
5.1 Network topology
The communication network can be designed as line/series, star or ring topology. Also, note
the information in the section "Supply voltage and PROFINET IO loop-through (Page 45)".
Figure 5-2 Configuration graphic of a line/series topology
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