Remote Acces PLC

Networking Solutions
1

Hello,

First off all I’m new to the networking scene. my goal is to reach the PLC on a static address remotely.

I succeeded so far :

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But it seems I cant reach it. I can ping if i’m logged into the RUT901. perhaps a firewall is blocking me?

any tips?

Thanks!

3

Greetings, @PeterKruijer ,

Welcome to Teltonika Community!

To start troubleshooting the issue, you can check the following settings:

Verify RMS / Remote-Access configuration

  • In RMS → Remote Access, ensure you’ve added a connection for your PLC (or “end device”) — either via Auto scan or Manual entry.
  • If using Manual mode: check that the IP address is exactly the LAN-side IP of your PLC, and the correct port & protocol (e.g. HTTP, Modbus-TCP, or whichever service you use) are configured.

Check that RMS credits/data are available

  • If using RMS “Connect” or “VPN/Remote Access” via a data-credit system, ensure your account hasn’t exhausted the allotted quota - no data remaining may cause remote-device access to fail even if the router is reachable.

Network settings of the target device (PLC / end device)

  • Confirm the device IP, subnet mask, and default gateway are correct, so replies from the PLC can return to the router and then over RMS.
  • If using a subnet different from the router’s LAN, double-check that routing is properly configured (especially under RMS VPN mode).

Use correct protocol & port in RMS Remote-Access

  • RMS supports SSH, Telnet, HTTP(S), RDP, VNC, SFTP, etc. Use the right protocol for your target device and service.
  • If the device’s service is disabled (e.g. web-UI not running, or Modbus not enabled), RMS link won’t work — verify that the service is up locally first.

Update firmware / ensure router compatibility

  • Make sure the router (e.g. RUT901) firmware is up-to-date. Some users have reported that VPN/remote-access issues got resolved after firmware updates.

Additionally, you can find more information regarding granting remote access to the PLC in this article:

Please let me know how it goes,

Warm regards,
V.

4

Thanks for the tips!

It was a small plc to try with. the bachmann ( the one that i needed it for ) if working o nit.

throughout the RMS service by a scan.

Peter

5

Hello,

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 16736.

Thank you,
V.