Example Topology Of The Rs-485 Link - ABB FSCA-01 User Manual

Overview of the RS-485 network and the FSCA-01 module 21
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Example topology of the RS-485 link

The figure below shows an example of an allowable topology of
FSCA-01 RS-485 link.
RS-485
master
T
Other slave
device
T
T = Termination
ABB drive
Other slave
Other slave
ABB drive
ABB drive
device
ABB drive
device