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  • SIOTH® Platform
    • Smart IoT Highway
      IT-OT-IIoT IntegrationAugmented AIVisualization & Monitoring
      SIOTH® Related Products
      SIOTH® SCADAMQTT Universal BrokerOPC UA Universal Server
      See it in action
      Download NowWatch Demo Video
  • OPC Products
    • Featured Products
      OPC UA WrapperOPCNet Broker DA HDA AE OPC UA Universal ServerOPC Easy ArchiverOPC UA Proxy
      OPC Servers
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  • SIOTH® Platform
    • Smart IoT Highway
      IT-OT-IIoT Integration
      Seamlessly integrate your IT and OT in a secure way
      Augmented AI
      Leverage predictive analytics, ML/AI models combined with logic rules, workflows and fault propagation
      Visualization & Monitoring
      Configure web-based SCADA and dashboards
      SIOTH® Related Products
      SIOTH® SCADA
      Web SCADA enabling monitoring in minutes
      MQTT Universal Broker
      Unify Your OT Data with MQTT
      OPC UA Universal Server
      Unify Your OT Data with OPC UA
      See it in action
      Download Now
      Download your free SIOTH trial and start configuring your data flows
      Watch Demo Video
      Configure the OPC UA Universal Server, built in minutes using SIOTH
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OPC Client for MQTT

Get Your OPC DA Data to the Cloud in Seconds

Connect any OPC DA server to any MQTT broker - secure, real-time, and ready for your cloud or IIoT platform.

OPC Client for MQTT Overview

Power Your IIoT Strategy with OPC to MQTT Connectivity

  • Seamlessly connects legacy OPC DA servers to cloud platforms using MQTT
  • Enables secure, real-time data streaming without replacing existing infrastructure
  • Supports multiple OPC DA servers and MQTT brokers simultaneously
  • Plug-and-play deployment for fast IIoT adoption
  • Enhances scalability, visibility, and cloud integration
  • Built with enterprise-grade security for industrial environments
opc-architecture
Download User Guide

OPC Client for MQTT Features

Connectivity & Protocol Support

  • Multi server connectivity for aggregating data from diverse sources 
  • Native MQTT protocol implementation following industry standards  
  • Data encryption for secure data transmission 
  • Data buffering during network interruptions  

Configuration & Management

  • Intuitive graphical interface for rapid setup  
  • Tag browsing and selection from connected OPC DA servers  
  • Windows service deployment for continuous operation 

Enterprise Integration

  • Seamless integration with Azure IoT, and major cloud platforms 
  • Compatible with existing SCADA and control systems  
Frequently Asked Questions

The OPC Client for MQTT supports OPC DA (Data Access) 2.05 and 3.0 specifications. It can connect to any OPC DA-compliant server, making it compatible with thousands of industrial devices and control systems. For OPC UA support, please explore our OPC UA Proxy product. 

Yes, the software supports multi-broker configurations. You can publish different data sets to separate MQTT brokers or implement redundancy by publishing to both primary and backup brokers. This ensures high availability and supports diverse cloud architecture requirements. 

The OPC Client for MQTT includes sophisticated buffering mechanisms that store data locally during network outages. When connectivity is restored, buffered data is automatically published to the MQTT broker, ensuring zero data loss. Buffer size and retention policies are fully configurable. 

Absolutely. The solution supports TLS/SSL encryption for secure MQTT communications, username/password authentication, and certificate-based authentication. All data transmitted between OPC servers and MQTT brokers can be encrypted end-to-end, meeting industrial cybersecurity standards. 

The OPC Client for MQTT works with any MQTT-compliant broker, including Azure IoT Hub, AWS IoT Core, Google Cloud IoT Core, IBM Watson IoT, HiveMQ, Mosquitto, and more. We provide specific tutorials for popular platforms like Azure IoT Hub to accelerate your deployment. 

Resources & Documentation

OPC Client for MQTT Resources

Product Datasheet

Comprehensive technical specifications and features overview

User Guide

Step-by-step installation and configuration guide

Quick User Guide

Step-by-step installation and configuration guide

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