the fix is available in our daily build repository: https://download.rexcontrols.cz/partner/daily/

Feel free to test it and report back.

Kind Regards,
Tomas

Cheers, Tomas

Best regards,
Jan

I believe that it was originally set at 1Hz but I am not sure, but when it was set to 0,1Hz it was working fine.
For the moment it is still crashing the application because I believe it is set at a too high polling rate again. (I assume....I am not in control and do have no access on this PC, so it's hard to verify if this is the real problem.)
But if I change the port number of the OPC UA server to make sure nobody is polling the server then everything keeps running fine.

It would be good that only the communication would stop and not the entire rexcore.

I will send you a PM with the complete setup.

Cheers,
Jan

Cheers,
Jan

Kind Regards,
Tomas

Kris

one more thing - did you try to use ARS function block? https://www.rexygen.com/doc/ENGLISH/MANUALS/BRef/ARS.html

It might help you.

Kind Regards,
Tomas

Hi, I tested the block PYTHON with 2.50.10 (testing version) and RPi 3b+. Generally it works fine, however I got into troubles when using some externally installed library, particularly pysolnp (https://pypi.org/project/pysolnp/).
Here is the use case and description of what I did:
As the Buster brings both Python 2.7.16 and 3.7.3, I set the default Python3 like this:
Edit nano ~/.bashrc , add alias python='/usr/bin/python3' and alias pip=pip3, then run source ~/.bashrc.
After that, typing python --version, it shows python 3.7.3 as required by PYTHON block in Rexygen.
Then I was able to install pysolnp according official guide: pip install pysolnp.
If I run any script manually (for example the initial basic example on the web https://pypi.org/project/pysolnp/), it works fine. It uses imported pysolnp library and gives the results as expected.
However, if I run it within REXYGEN project, I got error in Rexygen diagnostics saying that 'no module named pysolnp was found'. When I run help('modules') from Python command line, I see pysolnp in the list of modules.
Is it possible that for some reason older Python 2.7.16 is called from Rexygen environment? This would maybe explain the situtation as I didn't import pysolnp here but into 3.7.3. If this is the case, how to fix this to tell Rexygen to call python3 instead of python2? On the other hand, Rexygen would probably show different error regarding version of Python itself, because it needs Python 3.7.x according documentation.
P.S. The same use case under Windows+Rexygen+pysolnp works fine.
Best regards, Stepan

I made it work. It was an issue with different user accounts. I had the package installed under pi user but it has to be installed under root user. Then it works perfectly.

pi@raspberrypi:~ $ sudo apt-get install neuron-kernel unipi-firmware
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
neuron-kernel : Depends: raspberrypi-kernel (= 1.20190819~stretch-1) but 1.20200811-1 is to be installed
E: Unable to correct problems, you have held broken packages.
pi@raspberrypi:~ $

Regards,
Jan

There is also an example project 0406-01 included in REXYGEN Studio.

For your experiments, you can use the 2-hour demo licence which covers CAN.

The CANbus driver must be supported in the OS. As soon as the CAN device appears in the output of "ip link show", typically as can0, you should be fine.

The baudrate is configured in /etc/rexcore/rexcore.env.d/80-candrvt.sh (uncomment the 2 lines) on your target device.

Hope this helps, let me know.
Jaroslav

As for the manual, it is only in Czech at the moment: https://www.rexygen.com/doc/PDF/CZECH/SFCEditor_CZ.pdf
Copy-pasting the contents into Google translate might help.

In general, this tool generates the STT transition table and touts array for the ATMT or EATMT function blocks.

Hope this helps at least a bit.

Kind regards
Jaroslav

The solution is to obtain demo licence keys for both normal and flight mode at https://licensing.rexygen.com/homepage/demo-licence and add both of them manually to C:\ProgramData\REX Controls\REX_2_50_9_10649\RexCore\licence.txt. That way you'll always have a valid licence for your laptop.

Hope this helps, let me know.

Best regards
Jaroslav

Kind regards
Jaroslav

the issue was that Level1 in EXEC block is not connected. It is assumed that the Levels are connected one by one. I reconnected "tsdb_task" from Level2 to Level1 and it work now. See screenshot:

0_1562145809789_Levels.PNG

Our developers will fix this issue.

Thank you for reporting this.

Regards, Tomas