Hi cerberus78, well, Modbus works like a charm with the Revolution Pi, just take a look at the video tutorials #20-23
https://revolutionpi.com/en/tutorials/v ... rials#VT20
Search found 1929 matches
- 14 May 2024, 09:44
- Forum: Software
- Topic: Getting started
- Replies: 3
- Views: 109
- 14 May 2024, 09:38
- Forum: Hardware
- Topic: AIO IN led red bliping
- Replies: 3
- Views: 203
Re: AIO IN led red bliping
Hi zairalm, Thank you for the detailed error report and the steps you have taken, this is a complete picture that gives me and us a good idea of what the problem is. At the beginning of the analogue world, there is a rustle :) So well, something between 0 and 1 on a floating analogue input is nothin...
- 14 May 2024, 08:53
- Forum: Software
- Topic: Modbus RTU Slave delay to answer
- Replies: 1
- Views: 1327
Re: Modbus RTU Slave delay to answer
Hello Jérôme, thank you very much for your patience and your report. We have gratefully accepted and discussed your ideas. Presently, I cannot tell you if and when we will be able to implement this parameter for delayed communication. Alternatively, you can always view the developments online or con...
- 13 May 2024, 08:54
- Forum: Hardware
- Topic: RevPi Connect SE Sensor Connection
- Replies: 5
- Views: 2852
Re: RevPi Connect SE Sensor Connection
Hello user123, thank you for your patience, so do you still need support? If so, please send me an SOS-Report - here is how this works:
https://kunbus-gmbh.atlassian.net/servi ... 2036400208
https://kunbus-gmbh.atlassian.net/servi ... 2036400208
- 13 May 2024, 08:48
- Forum: Software
- Topic: Modbus RTU MASTER
- Replies: 3
- Views: 171
Re: Modbus RTU MASTER
Hi cerberus78, the process image is accessed in kernel space. This access is therefore atomic, and that is one of the core revolutionary things about the Revolution Pi project.
- 10 May 2024, 11:26
- Forum: Software
- Topic: Modbus RTU MASTER
- Replies: 3
- Views: 171
Re: Modbus RTU MASTER
Hi cerberus78, if you want to use C/C++ take a look at the video tutorial https://revolutionpi.com/en/tutorials/video-tutorials#VT13 You can use it as an idea for your own code. You can download the example code here: https://revolutionpi.com/en/tutorials/downloads#coding PiTest Demo with source cod...
- 08 May 2024, 15:39
- Forum: Software
- Topic: Revolution PI Web Server nutzen?
- Replies: 1
- Views: 137
Re: Revolution PI Web Server nutzen?
Hi Frank, du kannst tun und lassen auf deinem Gerät, was du möchtest, du kannst mit "sudo ..." Super User Rechte erlangen. Du kannst mit "sudo chown www-data www-data file" eine Datei der Gruppe und Benutzer www-data zuordnen. Weiterhin kannst du dann mit "sudo chmod u+rw fi...
- 08 May 2024, 14:46
- Forum: Connectivity
- Topic: RevPi Connect 4 - Modbus /dev/ttyRS485 nicht vorhanden
- Replies: 8
- Views: 368
Re: RevPi Connect 4 - Modbus /dev/ttyRS485 nicht vorhanden
Hi danielz, danke für die ausführliche Schilderung deines Fehlerbildes und der tiefen Analyse, das ist spitze. Ich finde es merkwürdig dass das "/dev/ttyRS485" Gerät fehlt. Die Schritte, die Du ausgeführt hast, um Modbus RTU in Betrieb zu nehmen, sind perfekt. Möglicherweise ist Dein Syste...
- 08 May 2024, 08:36
- Forum: RevPiModIO
- Topic: DIO module simulation
- Replies: 10
- Views: 17210
Re: DIO module simulation
Hi gypo, take a look at this: Tutorial 25 – Create your own RAP file Here you can read the documentation for the tutorial: https://revolutionpi.com/en/tutorials/was-ist-pictory-2/tutorial-rap-datei-selbst-erstellen-am-beispiel-revpitimer Take a look at this discussion: https://revolutionpi.com/forum...
- 07 May 2024, 09:36
- Forum: Software
- Topic: Getting started
- Replies: 3
- Views: 109
Re: Getting started
Hello cerberus78, that sounds exciting, a school project. It's helpful to have a few good examples in stock. The best place to start is with the video tutorials #20, #21, #22 and 23 on Modbus: https://revolutionpi.com/en/tutorials/video-tutorials#VT20 Then of course you can work with C/C++ and use t...