(c) Automatic return when disconnected stations recover
When the station disconnected from the network due to a data link error recovers, it automatically returns to the
network and restarts data link.
Master station
Station No.0
Slave station
Station No.3
28
Slave station
Station No.1
When
recovered
from fault
Slave station
Station No.2
Down
Master station
Slave station
Station No.0
Station No.1
Slave station
Slave station
Station No.3
Station No.2
Return