Westermo ODW-631 User Manual download pdf (Page 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 COMTX 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

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Westermo ODW-631 User Manual Page 23