Comparison
5 articles tagged "Comparison" on the Voltrus SCADA blog.
This collection brings together every Comparison article published on the Voltrus SCADA blog. "Ignition vs Node-RED vs Voltrus: 2026 SCADA Comparison", "Industrial Protocol Comparison: Modbus vs OPC UA vs MQTT vs S7", "SCADA vs HMI: What's the Difference and Do You Need Both?" — 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.
Ignition vs Node-RED vs Voltrus: 2026 SCADA Comparison
Ignition (powerful, $6K+ modules) for enterprise. Node-RED (free, but not real SCADA) for prototyping. Voltrus (single binary, lifetime license) for the mid-market. Honest side-by-side.
Read articleIndustrial 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.
Read articleSCADA vs HMI: What's the Difference and Do You Need Both?
The practical difference between SCADA and HMI for system integrators. When you need one, the other, or both — and why the distinction matters for your next project.
Read articleSCADA vs IoT: Why Industrial Monitoring Isn't Just "Smart Devices"
SCADA vs IoT for industrial monitoring. Overlap, differences, and why protocol support matters more than buzzwords for system integrators.
Read articleBest SCADA Software Alternatives for System Integrators in 2025
Honest comparison of SCADA software options: Ignition, Node-RED, Voltrus, OpenSCADA, and more. Pricing, features, and when to choose each.
Read article