Hello Davide,
to check the listening ports and applications on Linux.
Open a terminal application i.e. shell prompt.

Run any one of the following command on Linux to see open ports: $ sudo lsof -i -P -n | grep LISTEN. $ sudo netstat -tulpn | grep LISTEN. ...

For the latest version of Linux use ...

Hallo Krambambuli,
schaust du dir bitte die Bezugsquellen von Kunbus auf der ganzen Welt an.

Mit freundlichen Grüßen

Ulrich Kouatang Biakoup | Technischer Support

Hello Brahimdjadir,

please see this video tutorial https://revolutionpi.com/tutorials/video-tutorials/ Number #14. It's show how to use counter and Encoder for RevPi DIO. It will be the same for RevPi DI.
The maximum frequency resolution of the counter inputs for RevPi DI is 2 kHz (corresponding ...

Hello Manikan_pilz,
The behaviour is right. The Revpi's isn't yet able to perform that kind of features.
Thank you very much for the suggestion. We will think about that in the future.

Best Regards

Ulrich Kouatang Biakoup | Technical Support

Hello Songha,
I am wondering, how you made the modification.
There are two definitions in the project of the unit:

#define FB_INPUT_INTERFACE_LEN 512
#define FB_OUTPUT_INTERFACE_LEN 512
This sets the sizes of the buffers for the data.
Could you please post here, how you modified the gateway so that ...

Hallo Markus91,

Du brauchst eigentlich kein Gateway ModRTU. Was du eigentlich brauchst, sind Folgendes:
Revpi Core S
ROLINE USB 2.0 nach RS422/485 Adapter für DIN Hutschiene
Eine vernünftige Pictory Konfiguration mit revpi Core und virtuelle Modbus RTU Master

In Pictory:

Wenn du einen ...

Hello lm easr,
I recommand you the following documents. These could be very helpful for you
https://kunbus-gmbh.atlassian.net/servicedesk/customer/portal/1/article/2201518090
https://kunbus-gmbh.atlassian.net/servicedesk/customer/portal/1/article/350683137

Best Regards

Ulrich Kouatang Biakoup ...

Hi manikandan_Pils,
Retain Persistent variable is not supported with RevPi since it requires separate EEPROM interface to store the variables.
As workaround the variable status could be saved to file and read again on statup.
Write and Read File using Codesys.
https://forge.codesys.com/forge/talk ...

Hello Songha,
The Modification of the device is not possible. The 512 bytes is the upper limit for each I/O direction. If you need more data, you have to use a second Gateway. Depending on the field bus used, the limit may be smaller than 512 Bytes.

Best Regards

Ulrich Kouatang Biakoup ...

Hello Songha,
Could please tell me exactly what kind of Gateway you want to build? Kunbus has many Ethernet-based gateways for industrial communication: Profinet, EtherCAT and Ethernet/IP.

Best Regards

Ulrich Kouatang Biakoup | Technical Support