Blog Archive: April 2026
4 articles published in April 2026.
Everything Voltrus published in April 2026 — "How to Monitor Modbus TCP Devices Without the Middleware Bloat", "Voltrus vs Node-RED: Why Integrators Are Switching", "Deploying SCADA on a $4 VPS: A System Integrator's Guide". Practical guides and comparisons for engineers working with industrial automation tools, from protocol explorers to SCADA and HMI.
How to Monitor Modbus TCP Devices Without the Middleware Bloat
The typical integrator stack — MQTT broker, flow engine, time-series DB, visualization layer — eats 2 to 4 GB RAM before you add your application. There is a simpler way.
Read articleVoltrus vs Node-RED: Why Integrators Are Switching
An honest comparison: Node-RED's visual flow approach vs Voltrus's single-binary SCADA. RAM, deployment time, and maintenance overhead compared side by side.
Read articleDeploying SCADA on a $4 VPS: A System Integrator's Guide
Your client needs industrial monitoring. Their budget is tight. Their infrastructure is a single cheap VPS with 2 GB RAM. Here is how to deploy production-grade Modbus monitoring in 5 minutes.
Read articleLightweight SCADA Software: What It Actually Means
Every SCADA vendor claims to be lightweight. But what does that actually mean? We break down the numbers — RAM, dependencies, cold start time — so you can compare honestly.
Read article