PLC as OPC DA client

Ask Questions B&R Software & Runtime
1

Hi,
I’m working on PLC project with Yokogawa OPC DA server.
Is it possible to use B&R PLC to access to Yokogawa OPC server?
Could anyone please lead me to the technical information about PLC as OPCda client?
Thank you

2

Actually I don’t think there is. Via PVI there was an option for a DA server, but DA client… never heard of it. Also checking the AS help there is only the server mentioned in the OPC chapter.

Best regards

3

Is it possible to use B&R PLC to access to Yokogawa OPC server?
Could anyone please lead me to the technical information about PLC as OPCda client?

As Marcel indicated, the B&R PLC cannot be an OPC DA client. If the Yokogawa server only has OPC DA interfaces, then you would need to run the B&R PVI OPC Server on the same Windows system and run an OPC DA data mover between the two servers (I’m making the assumption that something of this sort exists).

4

I guess so
Thanks for your reply.

5

Thank you @austin.carpenter
Do you have more information about using PVI OPC to get data from 3rd party OPCda server?

6

Unfortunately, I don’t have more information. I don’t have a whole lot of information about non-B&R product capabilities/availability.

Best guess next step would be to online search for OPC DA client-to-client data movers.

7

Hi Naronglit,

I had a customer project in the past where they had an external device OPC XML DA Client that needed to communicate to our B&R PLC. Since we do not support OPC UA DA Server in the newest runtimes I had to build an python wrapper (PyOPC) on a linux system

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That may inspire you.

Filipe

9

Hi Naronglit, what is solution for your topic? can you make summary for us or marked the answer that helped you the most?

10

Hi @kovarj,
As it not possible to use B&R as DA Client then I suggest customer install 3rd party OPC And we connect to their server by OPCua instead.