uOPC Modbus Server provides secure and reliable real-time data access between all Modbus devices and any OPC-enabled applications such as Historians, HMIs, and SCADA, etc. It also securely communicates over Ethernet and/or Serial to many Modbus protocols.

Unlike other Modbus to OPC interfaces, the uOPC Modbus Server can grant and deny access to tags based on user login. It is a powerful tool that enables secure access to your Control and Automation systems and opens new connectivity horizons to other parties.


  • Provides OPC data access
  • Supports high-performance Ethernet Encapsulation for using Modbus serial protocols over an Ethernet-to-Serial converter
  • Supports both master and slave connections
  • Provides adjustable coil and register blocking options
  • Includes zero-based and one-based addressing
  • Provides byte order swapping (Modbus or Intel) capabilities
  • Includes hold register bit mask writes
  • Supports common Modbus variants for flow computers
  • Includes Modbus TCP Framing for the Modbus Serial driver
  • Supports Modbus TCP-enabled devices
  • Supports Modbus UDP-enabled devices
  • Incorporates a multi-threaded design for Windows sockets

A Peek Into Our Resource

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    AMR – Substation Automation for a Public Sector Power Distribution Company

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    Asset Health Monitoring using FITS and OPC PubSub

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