Industrial Automation

  • The Cloud Handshake: MQTT Sparkplug B vs. OPC UA

    In our previous deep dive into Industrial Ethernet and DLR, we explored how controllers, drives, and robots talk to one another within the microsecond confines of a machine cell. That is the internal nervous system of the plant floor (Purdue… Continue reading

    The Cloud Handshake: MQTT Sparkplug B vs. OPC UA
  • Ethernet on the Factory Floor: DLR, Managed Switches, and Deterministic I/O

    In our previous explorations across 24VDC Power, Analog 4-20mA Loops, PID Algorithms, and Variable Frequency Drives, we wired and controlled individual components. But on a modern plant floor, you are rarely wiring a single motor to an isolated controller. You… Continue reading

    Ethernet on the Factory Floor: DLR, Managed Switches, and Deterministic I/O
  • VFD Part 3: The Green Machine – Predictive Intelligence and Sustainability

    In Part 1, we explored the Anatomy of the drive. In Part 2, we mastered the Handshake of integration. Now, we reach the final destination of the Digital Chain: Intelligence. In the 2026 Intelligence Economy, a VFD is no longer… Continue reading

    VFD Part 3: The Green Machine – Predictive Intelligence and Sustainability
  • VFD Part 2: The Handshake – Commanding the Muscle

    In Part 1, we explored the internal “Anatomy” of the drive—the rectifiers and inverters that bend the laws of physics. But a VFD sitting in a box is just an expensive heater. To make it useful, we must establish a… Continue reading

    VFD Part 2: The Handshake – Commanding the Muscle
  • VFD Part 1: The Anatomy of a Drive

    In our journey through the Digital Chain, we have explored how a PLC “thinks” (PID Control) and how it “senses” (Analog Signals). But when it comes time to move a 500-horsepower pump or a high-speed sorting conveyor, the PLC’s tiny… Continue reading

    VFD Part 1: The Anatomy of a Drive
  • PID Part 3: Mastering PID Tuning

    In Part 1, we learned the math. In Part 2, we looked at the physics of the loop. Now, we face the ultimate test of an automation engineer: Tuning. Tuning a PID loop is the process of finding the “Gains”… Continue reading

    PID Part 3: Mastering PID Tuning
  • PID Part 2: Real-World Applications

    Real-World PID: Temperature, Pressure, and Flow | AutomationStudent.org AS AutomationStudent.org Temperature Pressure Flow/Mixing Part 2: Systems in Action Real-World PID: Where Math Meets Physics In Part 1, we learned the math. Today, we bridge the gap. Discover why a “Temperature”… Continue reading

    PID Part 2: Real-World Applications
  • PID Part 1: What is PID Control?

    In our previous articles, we mastered the Analog Signal—the ability to see the world in high resolution. But once a PLC knows that a data center’s temperature is exactly 22.5 degC, what does it do with that information? If it… Continue reading

    PID Part 1: What is PID Control?