Westermo ODW-620-F2, User Manual

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22 6651-22631
Multidrop application
Follow the steps below to get the unit up and running in a simple application.
Prepare the units
… Configure the network, with master and slaves. Check that it is running correctly with
the electrical serial network.
Prepare the fibre optical network
… Multidrop, mid units (CH 1 & CH 2). Set switch S2:2 to ON.
… Multidrop, end units (CH 1 only). All switches should be set to OFF.
… Connect the fibre links between the units.
…
Connect the power supply to all units.
• The Fibre links should be in operation, indicated by active CH 1 and CH 2 LED’s.
… Connect each of the slaves to the serial port of the corresponding ODW-620-F2.
…
Connect the master to the port of one ODW-620-F2
… The Multidrop application is up and running.
Note! ODW-620-F1 or ODW-630-F1 can be used as end units.
TX RX TX RX TX RX TX RX TX RX TX RX TX RX TX RX
CH 2 CH 1 CH 2 CH 1 CH 2 CH 1 CH 2 CH 1
PLC
Slave
PLC
Master
PLC
Slave
PLC
Slave