Westermo ODW-631 - Manual (Page 23)

23 6650-2243
Configure the ODW-631. …
S1: 2-wire RS-485. Data rate, asynchronous mode must be set by S1. …
S2: Asynchronous mode or Synchronous mode. …
S3: Termination and fail-safe of the RS-422/485 port. …
Connect the fibre link between the ODW-631s. …
Connect the power supply to both ODW-631s. …
After a few seconds the fibre link should be in operation, indicated by an active CH1 …
LED.
Connect the serial cables from PLC master and slave to respective ODW-631s.
…
Frames from PLC master that are correctly received in the ODW-631 will be …
indicated by flashing TD LED.
Frames that are received via the fibre link will be transmitted to the PLC slave
…
and indicated by flashing RD LED.
Replies from slave to master will be transferred and indicated in the opposite way.
…
The point-to-point application is up and running. …
POWER CH 1
COM +VA +VB COM
POWER CH 1
COM +VA +VB COM TX RX TX RX
Start up guide, point-to-point application
Follow the steps below to get the unit up and running in a simple application.
Master Slave