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Modbus Server

Connect to your Modbus devices using OPC UA

See Prosys OPC UA Forge for more extensive Modbus connectivity

Easy to Use

Prosys OPC UA Modbus Server is simple to configure and fast to deploy, providing secure access to your Modbus devices in minutes.


Prosys OPC UA Modbus Server supports Modbus communication both over TCP/IP and serial port communication.

OPC UA Modbus Server Diagram
OPC UA Modbus Server - Data Communications

Secure Your Data Communications

Information security is built-in to OPC UA communications, allowing you to maximize security by using Prosys OPC UA Modbus Server as a gateway to all your Modbus devices.

OPC UA Modbus Server - Cross-platform Compatibility

Cross-platform Compatibility

Take advantage of the cross-platform compatibility of Prosys OPC UA technology and deploy Prosys OPC UA Modbus Server either on Windows or Linux – including headless devices, such as Raspberry Pi.

OPC UA Modbus Server - Integration

New Integration Possibilities

Because OPC UA and Modbus are vendor independent communication standards, Prosys OPC UA Modbus Server enables easy integration of numerous systems from different vendors.

OPC UA Modbus Server - Industry 4.0

Ready for the Industrial Internet and Industry 4.0

Easy, reliable and secure data communications is essential for system integration and also for Industrial Internet of Things (IIoT) and Industry 4.0 solutions. Prosys OPC UA Modbus Server has been designed to be one of the key building blocks when you develop your total system starting from sensor data.


Technical Details

  • Reads/writes Modbus slaves/masters
  • Modbus addresses up to 65535
  • Word and byte swapping
  • Discrete inputs, coils, internal and holding registers
  • Flexible conversion of data from Modbus to OPC UA
  • Aes256-Sha256-RsaPss
  • Aes128-Sha256-RsaOaep
  • Basic256Sha256
  • Basic256 *
  • Basic128Rsa15 *

* Deprecated in OPC UA specification, provided for compatibility with older systems.

  • Windows (7 or later)
  • Linux (Ubuntu 18.04.5 or later LTS)
  • Also headless environments, such as Raspberry Pi
  • Docker
  • Modbus TCP
  • Modbus RTU
  • Modbus RTU over TCP
  • Modbus ASCII
  • Current Release: 1.4.22

For more information, please see Release Notes.

  • Single Computer Licenses
  • Site Licenses

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