Commissioning
4.3 Setup/network topology
SIMATIC RF650R/RF680R/RF685R
Configuration Manual, 03/2018, C79000-G8976-C386-06
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Communication of the RF680R and RF685R readers can be set up as a star, bus or ring
topology.
Figure 4-1 Sample configuration star topology
Figure 4-2 Sample configuration bus topology
With a bus topology, remember that if the communications connection of a reader to the
controller is interrupted, the communications connection to all downstream readers is also
interrupted.
Figure 4-3 Sample configuration MRP ring topology