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by dirk
20 Jun 2024, 13:07
Forum: My Project
Topic: RevPi as a Modbus slave
Replies: 3
Views: 23

Re: RevPi as a Modbus slave

Hi Peter, of course you need one of these modules
https://revolutionpi.com/shop/en/base-modules
by dirk
20 Jun 2024, 10:03
Forum: Hardware
Topic: ModBus RTU Master
Replies: 1
Views: 89

Re: ModBus RTU Master

Hello Zaira and welcome to the Revolutio Pi community! Thank you for your detailed picture of your setup and the error, that's great. Your hardware is challenging though. At the moment I think it makes sense to dismantle your setup and get it to a state that works. In general, you can get everything...
by dirk
20 Jun 2024, 09:49
Forum: My Project
Topic: RevPi as a Modbus slave
Replies: 3
Views: 23

Re: RevPi as a Modbus slave

Hi peterq, welcome to the Revolution Pi community, check out this tutorial, it covers exactly what you have in mind:
Revolution Pi Gateway Tutorial

Further good sources of information can be found here in the form of video tutorials
Tutorial 22 – Modbus TCP Slave
by dirk
20 Jun 2024, 09:26
Forum: Software
Topic: DHT22 Temperature and Humidity Sensor on the RevPi
Replies: 1
Views: 16

Re: DHT22 Temperature and Humidity Sensor on the RevPi

Hi jfelgueiras, welcome to the Revolution Pi community! Thanks for your good description of your plan with the steps and references to the things you've investigated so far and the unanswered questions that result, that's wonderful. This is precisely where the revolutionary lies in the Revolution Pi...
by dirk
17 Jun 2024, 11:07
Forum: Software
Topic: (CODESYS) Issue on mapping DI/DO bits to exist global boolean variables for each
Replies: 1
Views: 92

Re: (CODESYS) Issue on mapping DI/DO bits to exist global boolean variables for each

Hello and welcome to the Revolution Pi community! Thank you for your detailed description of the problem as well as the technical data and the considerations you have made so far, that's great. Since the release, see here it became necessary to change the access to variables: https://revolutionpi.co...
by dirk
17 Jun 2024, 10:31
Forum: Software
Topic: Revpi compact unreg method
Replies: 1
Views: 106

Re: Revpi compact unreg method

Hi Frank and welcome to the Revolution Pi community, probably the variable you want to access, "DInbit_1" is simply not declared. Can you find it in PiCtory? Did you save the PiCtory configuration as "Default" and reset the driver? Have a look at that tutorial: Revolution Pi Pyth...
by dirk
17 Jun 2024, 10:11
Forum: Hardware
Topic: AIO Module with current sensors
Replies: 2
Views: 149

Re: AIO Module with current sensors

Hello Max and welcome to the Revolution Pi community! Thank you for your detailed description of the things you are dealing with and the research and findings you have already made. Please have a look at this helpful tutorial, I think it will answer your questions: Measuring analog data with the Rev...
by dirk
13 Jun 2024, 15:32
Forum: Hardware
Topic: Connecting Analog Sensor to RevPi MIO Module
Replies: 1
Views: 117

Re: Connecting Analog Sensor to RevPi MIO Module

Hi Jow W. and welcome to the Revolution Pi Community.
The analogue inputs of the RevPi MIO only work with voltage measurement (0-10V).
You can work with the RevPi AIO module as it supports such current measurements, e.g. 0-20mA.
by dirk
13 Jun 2024, 15:23
Forum: Software
Topic: Anfänger :-) Probleme Log in mit Putty
Replies: 1
Views: 118

Re: Anfänger :-) Probleme Log in mit Putty

Hi JensW, kannst Du prüfen, ob im WebStatus SSH aktiviert ist - sollte eigentlich standardmäßig aktiv sein: 4119ec90-a649-4f7f-a753-f9a05e4cba5a.png Andere Option ist, führe den Log-in via HDMI Bildschirm und USB Tastatur durch - Achtung englisches Tastaturlayout. Sollten alle Sticke reißen, dann ve...
by dirk
13 Jun 2024, 15:20
Forum: Software
Topic: RevPi Core not responding
Replies: 1
Views: 153

Re: RevPi Core not responding

Hi anatolewilson, the RevPi Core 1 is really legacy hardware and, unfortunately, not supported any more. This module was the 1st generation with a single core compute module and 4 GB of eMMC storage. There are wear levelling processes in the ext3 or ext4 file systems alreandy available that extend t...