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Home » Eclipse Projects » 4DIAC - Framework for Distributed Industrial Automation and Control » OPC UA with IEC 61499 Tutorial Issues
OPC UA with IEC 61499 Tutorial Issues [message #1775555] Wed, 01 November 2017 06:05 Go to next message
Daniel Ng is currently offline Daniel NgFriend
Messages: 18
Registered: October 2017
Junior Member
Dear all,

I'm trying to follow the OPU-UA tutorial on this page https://www.eclipse.org/4diac/documentation/html/communication/opc_ua.html but I have encountered some problems.

Firstly, for building open62541, the tutorial directs us to clone the master branch. However, as it the project is ongoing, the current master branch is unstable and leads to some make issue due to a lack of a "six" module. Sticking to version 0.2 builds properly.

Next, for downloading the FORTE source files, we are directed to clone the develop branch and cmake completes properly. However when doing the make command, there are some errors regarding the OPC-UA files which I've attached in this post. index.php/fa/31194/0/

I've tried several combinations of FORTE (v1.8.4 - which doesn't have the opcua module or v1.9.0m1 - which i believe has an older version of the opcua module that wasn't meant for this tutorial.)

May i ask which specific versions should I be using ? How should I proceed?

Thank you all in advance.
Re: OPC UA with IEC 61499 Tutorial Issues [message #1775610 is a reply to message #1775555] Thu, 02 November 2017 08:22 Go to previous messageGo to next message
Stefan Profanter is currently offline Stefan ProfanterFriend
Messages: 12
Registered: July 2017
Junior Member
Hi Daniel,
unfortunately we have to depend on master of open62541 because in the 0.2 release there are some features missing which we need.
When 0.3 is released we will change the dependency on that release to use the stable api.

Your errors look like you are using an older version of open62541. I just tested it with the most recent versions of open62541 (master) and forte (develop):

- open62541 master (commit hash: ead0756c96ca6f562645a18fe57aa2749d9190e0)
- forte develop (commit hash: 4a47c11f627d74f4561cb97c2d20aaf5a34abc7d)

If that doesn't work, please provide further error messages.

BR
Stefan
Re: OPC UA with IEC 61499 Tutorial Issues [message #1775611 is a reply to message #1775610] Thu, 02 November 2017 08:31 Go to previous messageGo to next message
Jose Maria Jesus Cabral Lassalle is currently offline Jose Maria Jesus Cabral LassalleFriend
Messages: 76
Registered: February 2016
Member
I encountered the missing "six" modules too in the master branch of open62541. This is a package that you don't have in your python installation. Try https://stackoverflow.com/a/21990609
Re: OPC UA with IEC 61499 Tutorial Issues [message #1776145 is a reply to message #1775611] Mon, 13 November 2017 07:33 Go to previous message
Daniel Ng is currently offline Daniel NgFriend
Messages: 18
Registered: October 2017
Junior Member
Thanks guys!
I've managed to run it now.

Cheers,
Daniel
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