scada

SCADA Remote Access: How to Do It Safely

Remote access to SCADA systems is unavoidable in modern plants, but done wrong it is a direct path to a breach. Here is how to set it up safely.

Jul 23, 2026 · 9 min read

OPC UA Protocol Explained for PLC Engineers

OPC UA is the industrial protocol linking PLCs to SCADA, historians and cloud systems. Learn how nodes, sessions, security and subscriptions actually work in plain terms.

Jul 22, 2026 · 10 min read

SCADA Historian: How Process Data Gets Logged

A SCADA historian is not just a database. Learn how process historians compress, store and serve time-series plant data, and how to choose the right one.

Jul 10, 2026 · 8 min read

SCADA Alarm Management: Cutting Nuisance Alarms the Right Way

Nuisance alarms erode operator trust and hide real faults. Here is how to audit, rationalise and configure SCADA alarms using ISA-18.2 and EEMUA 191 benchmarks.

Jul 7, 2026 · 9 min read

SCADA Communication Protocols: Modbus, DNP3 and OPC UA

Modbus, DNP3 and OPC UA each solve a different problem in SCADA. This guide breaks down how each works, where it fits, and what trips engineers up in the field.

Jul 6, 2026 · 9 min read

What Is SCADA Software? Features and How to Choose One

SCADA software turns raw field data into actionable plant visibility. Here is what it actually does, which features separate good platforms from frustrating ones, and how to choose.

Jul 6, 2026 · 8 min read

SCADA Network Design: Topologies, Protocols and Security

SCADA network design covers topology choices, protocol selection and cybersecurity hardening. Get the real engineering decisions right the first time.

Jul 6, 2026 · 9 min read

SCADA Control System Basics for Automation Engineers

SCADA control systems sit above the PLC but below the enterprise network. Here's how the layers connect, what software does the work, and where things go wrong.

Jul 5, 2026 · 9 min read

HMI and SCADA: How They Fit Together in a Real Plant

HMI and SCADA are not interchangeable terms. Learn how each layer works, where they connect, and how a real plant ties them together from sensor to supervisor.

Jul 5, 2026 · 9 min read

SCADA System Architecture: Layers, RTUs and the Master Station

Understand SCADA system architecture in depth: the three-layer model, how RTUs and PLCs differ, what the master station really does, and how modern IP networks changed everything.

Jul 5, 2026 · 9 min read

SCADA vs PLC: How They Work Together on the Plant Floor

SCADA and PLCs are not competitors. One controls the process, the other watches it. This guide breaks down the real roles, how they communicate, and where engineers get the split wrong.

Jul 4, 2026 · 8 min read

What Is a SCADA System and How Does It Work?

SCADA stands for Supervisory Control and Data Acquisition. Learn what a SCADA system actually does, how its components connect, and where it fits with PLCs and HMIs.

Jun 28, 2026 · 7 min read

SCADA vs HMI: What Actually Differs and Why It Matters

SCADA and HMI are not the same thing, even though vendors blur the line constantly. Learn the real architectural difference with concrete examples.

Jun 28, 2026 · 7 min read