Search found 1889 matches

by dirk
11 Mar 2021, 11:47
Forum: Hardware
Topic: tapping existing serial connection / bestehende serielle Kommunikation anzapfen
Replies: 4
Views: 6291

Re: tapping existing serial connection / bestehende serielle Kommunikation anzapfen

Hi StefanM, I have an idea that is not the answer to your ideas but could be helpful for you: Are you using a PROFINET SPS and variables are declared as HMI? Then RevPi7 might be the easiest way to gather the data. Example project for the Siemens TIA 15 Portal in the download area https://revolution...
by dirk
11 Mar 2021, 11:13
Forum: Software
Topic: revpi image on raspberry pi 3b+
Replies: 2
Views: 2816

Re: revpi image on raspberry pi 3b+

Hi seisele, No, because the image was adapted to the RevPi hardware.
In the GitHub repository are all sources to make adjustments and if necessary adapt the image according to your needs.
by dirk
10 Mar 2021, 11:19
Forum: Hardware
Topic: RevolutionPi communication with Webserver
Replies: 4
Views: 3981

Re: RevolutionPi communication with Webserver

Hi Sajid, the cheapest model is called RevPi Core:
https://revolution.kunbus.de/shop/de/revpi-core
But I would recommend you to have a look at the RevPi Core 3 regarding the prices v.s. the performance
https://revolution.kunbus.de/shop/de/revpi-core-3
by dirk
05 Mar 2021, 15:12
Forum: Software
Topic: RevPi DIO input signals go to zero?
Replies: 5
Views: 3195

Re: RevPi DIO input signals go to zero?

Hi reitanaka, thanks for your detailed information, the source code and all the analysis you did. For us it looks like the status bytes do not contain any meaningful values. In the past we had a bug about swapped values in the process image which we fixed. Could you please update the system? sudo ap...
by dirk
05 Mar 2021, 11:09
Forum: Hardware
Topic: RevPi IO fault detection
Replies: 4
Views: 3712

Re: RevPi IO fault detection

Hi Both UV1 & UV2, are only available on DI and DIO, as these come from the input IC (MAX31913 - datasheet S10).
by dirk
05 Mar 2021, 10:59
Forum: Hardware
Topic: AutoConfiguration Script
Replies: 7
Views: 6879

Re: AutoConfiguration Script

Hi Franco, so I have not had any experience with Ansible. However, I have heard from many places that it is a useful tool for orchestrating edge devices. The script from me is rather meant as a "candy" to the community. It does not claim to be production-ready. However, for example, with a...
by dirk
05 Mar 2021, 10:52
Forum: Software
Topic: CANopen master without codesys
Replies: 3
Views: 4205

Re: CANopen master without codesys

Hi Franck, have a look at this implementation https://canopen.readthedocs.io/en/latest/
by dirk
04 Mar 2021, 12:59
Forum: Connectivity
Topic: Verbindungsprobleme mit Modbus RTU in Python
Replies: 3
Views: 7951

Re: Verbindungsprobleme mit Modbus RTU in Python

Hi André, erstmal vielen Dank für deine umfassende Schilderung der Lage deine Gedanken zur Problemlösung und den Schritten die dahin geführt haben das ist wirklich gut beschrieben. Da CRC Fehler in der Antwort vom Slave enthalten sind scheint die Datenübertragung logischerweise ja gestört zu sein. M...
by dirk
04 Mar 2021, 12:09
Forum: Hardware
Topic: RevolutionPi communication with Webserver
Replies: 4
Views: 3981

Re: RevolutionPi communication with Webserver

Hi Sajid, this whole task can be split into these parts: A) Data exchange betweeen Modbus TCP Server and Modbus TCP Slave Have a look at Tutorial Modbus TCP Server https://revolution.kunbus.com/tutorials/video-tutorials/?noredirect=en_US#VT20 You can write data into the Ouput_1, Output_2, ... Regist...
by dirk
04 Mar 2021, 10:43
Forum: Software
Topic: Python Modbus RTU Master "Kunbus Way"
Replies: 3
Views: 4051

Re: Python Modbus RTU Master "Kunbus Way"

Hi, Dan0207, Danke für deine interessante Frage Du erstellst Deine PiCtory Konfiguration. Somit hast Du ein DIO Modul und einen Modbus RTU Master zur Verfügung mit ein paar Klicks. siehe Tutorial 21 – Modbus RTU Master Zu guter Letzt erstellst Du Dir ein Python Skript, welches auf die Prozessdaten z...