OPC UA read comment of a port

Topics about the Software of Revolution Pi
Post Reply
col-panic
Posts: 7
Joined: 19 May 2026, 17:08

OPC UA read comment of a port

Post by col-panic »

I connect to the revolution pi using opc ua (via eclipse milo library) and to debug I use UaExpert

I configured an Input Value using Pictory which I can find, see below

Image

I use the Comment Field of the port to describe the value delivered, but I could not find its data being served via opc ua anywhere.

Is this possible, should it be possible? Can it be made possible :)

thanks a lot
Attachments
Bildschirmfoto 2026-06-02 um 18.14.34.png
User avatar
RevPiModIO
KUNBUS
Posts: 366
Joined: 20 Jan 2017, 08:44
Contact:

Re: OPC UA read comment of a port

Post by RevPiModIO »

Hi!

You have configured the virtual device OPC UA in PiCtory on the RevPi and retrieve the values via it, right?

"DisplayName" and "Description" are not yet integrated there. But we should definitely implement this, I think it's a very good idea that the texts in the "Comment" column of PiCtory are listed as "Description" in OPC UA.

So: Yes, we will make it possible soon. 👍

I will reply in this tread when the update is available.

Sven
python3-RevPiModIO - https://revpimodio.org/ || Der RevPi ist das Beste, was passieren konnte!
col-panic
Posts: 7
Joined: 19 May 2026, 17:08

Re: OPC UA read comment of a port

Post by col-panic »

Hy Sven, yes I use PiCtory to configure UPC UA and the values. I see that pictory allows for configuring name and comment,
I guess that displayName would have to be additionally added!

Thats great news to hear! Looking forward too it!
User avatar
RevPiModIO
KUNBUS
Posts: 366
Joined: 20 Jan 2017, 08:44
Contact:

Re: OPC UA read comment of a port

Post by RevPiModIO »

Hi

The packages for the OPC UA Server are now available in version 0.6.0 and can be easily installed according to our documentation: https://revolutionpi.com/en/docs/updates.

In OPC UA, the device / variable names from PiCtory are displayed as "DisplayName" and the entries of the "Comment" column in PiCtory as "Description".

Greeting
Sven
python3-RevPiModIO - https://revpimodio.org/ || Der RevPi ist das Beste, was passieren konnte!
Post Reply