Hello,
i configure a Modbus TCP Client as I read data via ModbusDoctor but I get this error message
“Request failed, result: communication error: Illegal data value.”
Reading Holding register 40562 (2 length) on a 32bit INT ok on Modbus Doctor
Same configuration KO on Modbus TCP Client
Where can I be wrong ?
Marija
November 25, 2025, 10:52am
2
Hello,
Could you kindly specify which RutOS firmware version is currently installed on your device?
Best regards,
Sorry, it is a TRB140 with latest stable firmware
Greetings,
For troubleshooting purposes, we will require more sensitive information from your end, such as the troubleshoot file, which may contain passwords, public IP addresses, serial numbers, and such. To avoid leaking this information, we have sent you a form to fill out, which you will receive in your e-mail inbox that you have registered your account with in the forums. In the Ticket ID field of the form, please enter the ID of this thread, which is 16548 .
Best Regards,
Justinas
Hi Justinas,
I am sorry but I haven’t receive any email with form link.
My email address is ok because I receive notification from this topic.
Could you send me back again ?
Best regards
Hi Justinas,
I fill form last week and today. I still have no link to continue exchange.
is it normal ?
Best regards
Greetings,
I sent you an email on November 27th at 16:44 (GMT +2). Could you please check whether you received it? It may have gone to your spam folder.
The message includes instructions on how to download the troubleshoot file. Please attach the troubleshoot file to the reply to the email.
Best Regards,
Justinas
Hi Justinas,
I looked to my mailbox (spam folder included) and I did not find your email.
Could you try another time please ?
On which portal platform could I find your ticket on this issue ?
Best regards
Best regards
Greetings,
I have resent you the email, please let me know if you receive it.
Best Regards,
Justinas
1 Like