OPC-UA

1 article tagged "OPC-UA" on the Voltrus SCADA blog.

This collection brings together every OPC-UA article published on the Voltrus SCADA blog. "Industrial Protocol Comparison: Modbus vs OPC UA vs MQTT vs S7" — each one is a practical, hands-on guide written for engineers and system integrators who work with Voltrus SCADA in real industrial deployments. Whether you are choosing between protocols, troubleshooting a connection, or planning an integration, these articles cover the concepts, the trade-offs, and the step-by-step details you need.

1 article

May 14, 2026·Comparison

Industrial Protocol Comparison: Modbus vs OPC UA vs MQTT vs S7

Side-by-side comparison of the four most common industrial protocols. Data models, security, speed, vendor lock-in, and when to use each one.

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