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Olga Weis Olga Weis Last updated May 28, 2024

How to share RS485 over Ethernet with hardware or software solutions

The benefits of the RS485 communication interface make it a popular choice in industrial facilities. At times, it is necessary to provide RS485 over Ethernet capabilities for remote access to serial interfaces and connected equipment. An RS485 to Ethernet converter can be useful in many scenarios such as remote monitoring and control of industrial devices.

This article looks at some of the best hardware RS485 to Ethernet adapters as well as FlexiHub, an efficient software RS485 to Ethernet converter alternative.

Best RS485 to Ethernet Converters - comparison

The chart below presents an overview of the four hardware RS485 to Ethernet adapters we will discuss.
Feature
Price $$ $$ $$$ $$ $$ $$
Modbus Support No Yes Yes Yes Yes Yes
Number of Serial Ports 1 1 1 2 Up to 500 Up to 500
Industrial Grade No Yes Yes Yes N/A N/A
Configuration Interface Web Interface Software Configuration Utility DIP Switches Web Interface Software for Windows and Linux Software for Windows, Linux
Power Input 5V DC 5-30V DC 5-30V DC 5-36V DC N/A N/A

NET 485-MB Modbus RS485 Adapter

NET 485-MB Modbus RS485 Adapter

The NET 485-MB Modbus RS485 Adapter is designed for use with industrial applications that need Modbus support. The adapter features a sturdy construction that provides stability and withstands the rigors of challenging environments. A software configuration utility makes this an easy device to set up and operate.

Waveshare RS485 to Ethernet Converter

Waveshare RS485 to Ethernet Converter

The Waveshare RS485 to Ethernet Converter offers a simple, inexpensive, and user-friendly way to integrate RS485 interfaces into an Ethernet network. It is not suitable for industrial-grade applications and does not provide Modbus support. This RS485 to Ethernet converter is a good choice for small applications, developers, and testing implementation.

USR-TCP232-410s Dual Ports Serial Device Server

USR-TCP232-410s Dual Ports Serial Device Server

The USR-TCP232-410s Dual Ports Serial Device Server provides two serial ports and full Modbus support. The device is a flexible solution that can handle complex environments with multiple connections and efficient protocol conversion. A web interface facilitates configuration and makes it easy to use the adapter effectively.

cOMMFRONT RS485 to Ethernet Converter

cOMMFRONT RS485 to Ethernet Converter

The cOMMFRONT RS485 to Ethernet Converter is designed for industrial environments and supports Modbus RTU to TCP data conversion. DIP switches provide simple configuration to minimize downtime when integrating the device into an existing infrastructure.

Software RS485 to Ethernet Converter Alternatives

FlexiHub

FlexiHub

FlexiHub is a software alternative to hardware RS485 to Ethernet converters. The tool enables easy access to RS485 interfaces and their connected devices over an Ethernet network or the Internet. FlexiHub creates virtual serial ports so you can access remote RS485 devices with the same functionality as a direct physical connection. The software RS485 to Ethernet adapter is user-friendly and provides strong security while supporting Windows, Linux, macOS, and Android systems.

Following are some of the pros and cons of using this flexible RS485 to Ethernet converter alternative.

icon pros Pros

  • FlexiHub protects data transmission with encryption to prevent access by unauthorized entities.
  • The tool’s user-friendly interface and ease of use enhance productivity throughout the organization.
  • FlexiHub integrates with many virtualization platforms such as VMware, Microsoft Hyper-V, Windows Virtual PC, ESX, Citrix XenDesktop, and QEMU.
  • The software provides cross-platform connectivity to support RS485 to Ethernet communication. Any combination of Windows, macOS, Linux, and Android operating systems can communicate with each other using FlexiHub.

icon cons Cons

  • A yearly paid subscription is required to use FlexiHub.
  • The free subscription does not support connecting to remote devices.

Video Guide

Serial to Ethernet Connector

Serial to Ethernet Connector

Serial to Ethernet Connector is another software RS485 to Ethernet converter alternative. It creates virtual COM ports that can be accessed over an IP-based network. The tool supports Windows and Linux machines with advanced features like custom port naming and data transmission encryption.

Conclusion

Hardware RS485 to Ethernet converters are effective solutions for sharing RS485 data over a network. FlexiHub and Serial to Ethernet Connector offer flexible, simple, and economical methods of providing RS485 to Ethernet communication via software. Based on your specific implementation and financial concerns, you can select a solution that fits your budget and provides the necessary RS485 to Ethernet functionality to address your requirements.

Share USB and COM port to Ethernet
  • 4.8 overall rank based on 386+ Reviews
  • Requirements: Windows, macOS, Linux, Android and Raspberry Pi.
  • 10.76MB Size.
  • Version 7.0.15125. (3 Jun, 2024).
  • Pricing starts $14 per month billed annually