Posts made by Martin Kudláček

Hello @tgurecky,
in this case, the only way is the ST. Do you need some help with that?

Best regards,
Martin

Hello @zorro_66 , the restart of the 1-Wire bus is not available on the UniPi 1.1.

Hi @juntiedt,
there is a M103 with 8 relays.

Hello @origami,
the UniPi 1.1 doesn't need any firmware. To use the newest set of tools, do full update & upgrade of the operating system.

Best regards,
Martin

Hello @tgurecky,
the "Multi In Real" should do what you are looking for.

Best regards,
Martin

Hello @somapa,
the first thing is to configure the Siemens PLC as the ModbusTCP slave. Unfortunately we don't have any direct experience with it, so you have to look for help somewhere else. But you can verify the settings with e.g. qModMaster.

The second step is to configure generic Modbus slave device in Mervis and we have a tutorial for that: https://kb.unipi.technology/en:sw:01-mervis:connecting-to-modbus-slave-device-hidden

If, in any case, you wouldn't be able to set the Siemens as ModbusTCP slave, you can set the Mervis as ModbusTCP slave and let the Siemens update the registers. You can read more about how to set the Mervis as ModbusTCP slave here: https://kb.unipi.technology/en:sw:01-mervis:setting-modbus-server-hidden

Best regards,
Martin

Hello @christian,
the websocket interface sends only values which has changed. To request all current values, send this command at any time:

{"cmd": "all"}

Best regards,
Martin

Hello @christian,
it is hard to see from the picture, but it looks like your sensors are connected in star topology. This is highly unrecommended and you can read more about it here: https://www.maximintegrated.com/en/app-notes/index.mvp/id/148

Best regards,
Martin

Hello @msoenen,
the Mervis smart phone app cannot be used right now. We are working on the overall support as we speak and it will be released along with tutorials hopefully by the end of this month.

Best regards,
Martin

Hello @matt,
yes, there is. Double click on the PLC in Left panel and then switch to the User rights in the main window:

As you can see, the default user is Visitor without password. You can rename the users, add or delete them and set them passwords.

Best regards,
Martin

Hello @msoenen,
any SD card you bought from us is empty - we don't preinstall any operating system.

I would recommend flashing a UniPian to the SD card. The UniPian is Raspbian with preinstalled packages that allow communication with IO boards.

The UniPian image can be downloaded here: https://kb.unipi.technology/files:software:os-images:00-start
And here is a tutorial how to flash the MervisOS image to the SD card and you can use parts of it for flashing the UniPian image as well: https://kb.unipi.technology/en:sw:01-mervis:running-on-neuron-hidden

Best regards,
Martin

Hello @msoenen,
the Raspberry Pi in the Neuron can be can be customized as any other Raspberry Pi. If you are using Raspbian, you need to enable SSH first (https://www.raspberrypi.org/documentation/remote-access/ssh/) and then you can do whatever you need to do.

Best regards,
Martin

Hello @robl,
that can be achieved for example this way:

• The "max_random" input specifies the maximum number of seconds, which the random generator will output
• The "generate_random_time" is controlling input and the random time will be generated upon rising edge
• The "rand" block generates real number between 0-1.
• The "mul" block multiplies this number so you can get any number between 0 - "max_random"
• The "to_lint" converts the real value to lint
• The "B106 Integer Memory" can store the generated number and pass it to its output upon rising edge of the "generate_random_time" input
• The "mul_time_lint" has hidden input "in1" set to "t#1s". This time constant is multiplied by the generated number, thus generating random seconds.

Is this logic doing what you are looking for?

Best regards,
Martin

Dobrý den @sandyv,
fyzické rozhraní čtečky je RS485, ale datové není Modbus, jak nejspíš předpokládáte. Dokumentace se na straně 8 odvolává na protokol Netronix, o které se lze dočíst více zde: https://netronix.pl/en/attachment?id_attachment=63

Daná komunikace není podporovaná Mervisem, ale je možné si její implementaci dopsat pomocí funkcí pro práci se sériovým portem. Osobně bych ale spíše doporučil zakoupit rovnou čtečku s komunikací Modbus. Psaní nového protokolu je netriviální a výše uvedený protokol není jednoduchý na pochopení.

S pozdravem,
Martin Kudláček

Hi @arolli,
can you share more about what you are trying to achieve?

Thanks,
Martin

Hello @robl,
we also do have a problem with storing the Mervis project files into folder controlled by a cloud service. We use One Drive and it also causes some problems. We account this to the fact, that not all files are stored locally, and the OneDrive downloads them on demand. The OneDrive has a function to override this (sorry for the Czech language):

The function is called "Always keep on this device".

So all in all, your project files are in unknown state. Maybe we would be able to fix the missing SPR file, but we cannot guarantee that it will fix the project completely. The safest way is to recreate the project from the beginning.

I would also suggest you to take a look at some source code management tool (like [git](https://git-scm.com/ for instance) for storing versions of the project so you would be able to revert to previous state.

Hello @msoenen,
this was a project of our customer. You can try contacting him via this thread: https://forum.unipi.technology/topic/824/hot-tub-controller-with-unipi-1-1

Best regards,
Martin

Hello @msoenen,
we don't have any experience with Nymea, but from their website the support for Raspberry Pi is ready via their own OS image. How would you like to use Nymea together with our PLCs?

Martin

Hi @_andi_,
the reply from the developers is that it is not possible to do it even by hand. But we take your suggestion as a feature request.

Best regards,
Martin

Hello @christian,
yes, this load is quite normal. The Evok is doing quite a lot of work and as I can see, you are running InfluxDB as well (Not a good idea on the SD card by the way) so the load very well may be around 1.

Best regards,
Martin