Search found 5 matches

by avu
10 May 2022, 08:32
Forum: Software
Topic: USB issue
Replies: 3
Views: 3363

Re: USB issue

Coming back from Technical support thread as suggested by Dirk, Here is the wrap up from the last discussion: - We found the cause which makes the usb device stop responding is an external electrical noise problem. - We think that the RevPi OS should be fault-tolerant to the intermittent external en...
by avu
14 Feb 2022, 07:16
Forum: Software
Topic: USB issue
Replies: 3
Views: 3363

USB issue

Hello everybody, We are using RevPi to connect to an USB serial device (https://www.apogeeinstruments.com/ac-421-sdi-12-to-usb-converter/) and python with `pyserial` to read and write data through the device. After a while, roughly 24 hours, it is not possible to read/write data anymore. I can still...
by avu
22 Nov 2021, 04:21
Forum: Hardware
Topic: DIO module status
Replies: 2
Views: 1293

Re: DIO module status

Great! I didn't notice that part of the documentation.

Thank you very much Nicolai.

Anh
by avu
18 Nov 2021, 11:54
Forum: Hardware
Topic: DIO module status
Replies: 2
Views: 1293

DIO module status

Hello, I'm having red LEDs on the DIO module and the two values `Output status` and `Status` give 65536 and 841 respectively. (attached image shows the mentioned variables) I'm trying to understand these values but haven't found any information, unlike for AIO module where the status signal are desc...
by avu
05 Oct 2021, 11:51
Forum: Hardware
Topic: Replace Siemens PLC with RevPi (hardware feasibility)
Replies: 1
Views: 1285

Replace Siemens PLC with RevPi (hardware feasibility)

Hi, I'd like to replace a Siemens PLC system (as shown in the attached image) using RevPi. I must admit that I have no experience in Industrial automation system and really appreciate any guidance. One specific thing I'd like to ask: - Someone told me that I can reuse the whole system (except the Si...