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SOLVED

How to call OPC UA methods?

LunatiX
Long-established Member

How to call OPC UA methods?

I declared a OPC UA method inside the Process Data Manager, see the picture below. But I don't know how I can use this method. I would like to call the method via a button.

LunatiX_0-1647854617953.png

 

Tags (2)
6 REPLIES 6
HmiGuide
Community Moderator

Betreff: How to call OPC UA methods?

So the question is: Does WebIQ support OpcUA methods?
webiq-eg
Long-established Member

Betreff: How to call OPC UA methods?

Hi there,
WebIQ supports OPC-UA methods since V2.10. However, a script is required to call the method.

In the attached example, I have implemented a UI action to call the "sqrt(x)" method on our OPC UA online demo server.

To enter the method (see Process Data Manager) you can browse the OPC-UA namespace and import it by right-clicking on the method. An OPC variable with the name "sqrt(x)" appears and at the same time a method in the "Methods" tab.
I wish you success
webiq eg

AndroidzZ
New Contributor

Betreff: How to call OPC UA methods?

Hi there,

I can't import the methods inside my Process data manager. I have made a method inside my PLC program but my WebIQ is seeing it not as a methods but only sees the seperate variables inside the method, see attachment.

What am i missing? 

Kind regards

webiq-sk
Occasional Contributor

Betreff: How to call OPC UA methods?

I'm afraid I can't help you on how to solve this issue in your PLC.
However, this is how it looks like if it's been setup as an OPC-UA method WebIQ can use:

webiqsk_0-1667899416174.png

 

HmiGuide
Community Moderator

Betreff: How to call OPC UA methods?

To call a PLC method, I think you need to do some settings in the PLC. When I have the information I post it here.

HmiGuide
Community Moderator

Betreff: How to call OPC UA methods?

Here you find the information what you have to do in ctrlX Engineering to make a PLC method callable via OpcUA.

https://developer.community.boschrexroth.com/t5/ctrlX-PLC/How-to-start-PLC-Method-by-DataLayer-or-OP...

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