Automation & Control

A complete guide to Programmable Logic Controllers — the brain of modern industrial production lines, covering I/O, ladder logic, and scan cycles

Complete guide to sensor types: temperature, pressure, proximity, and flow — with working principles and selection criteria

How SCADA systems monitor thousands of points in factories and power plants — from RTU and HMI to cloud and cybersecurity

Proportional, Integral, Derivative — how PID controllers regulate temperature, pressure, and flow while preventing oscillation

Principles of effective HMI screen design — colors, layout, alarms, and ISA-101 high-performance standards

How VFDs change electrical frequency to control motor speed — energy savings, soft starting, and motor protection

SIL levels and safety lifecycle — how SIS prevents explosions and leaks in chemical plants per IEC 61511

How DCS differs from PLC and why refineries and power plants use it — architecture, redundancy, and reliability

Digital and analog I/O — 4-20mA and 0-10V signals, how the PLC reads sensors and drives actuators

How systems control motor position and speed with micrometer precision — stepper, servo, encoders, and drives

Measuring level, temperature, pressure, and flow — working principles, instrument selection, and calibration techniques

How valves control fluid and gas flow — types, actuators, flow characteristics, and selection criteria

From electrical relays to programmable logic controllers — how PLCs transformed industrial automation forever

CPU, memory, digital and analog I/O modules — understanding the physical components that connect software to machines

Contacts, coils, timers, and counters — writing your first ladder logic program to control a motor and sensor

Variables, conditions, loops, and functions in ST — why modern engineers are shifting from ladder to text-based programming

BOOL, INT, REAL, STRING, arrays, and structs — organizing sensor and motor data inside the controller

TON, TOF, TP, CTU, and CTD — programming time delays, counting produced parts, and sequencing operations

Functions, function blocks, and programs — building a custom control library for your factory and reusing it across projects

Converting 4-20mA and 0-10V to real temperature and pressure — scaling, filtering, and sensor fault detection

Start-stop circuits, interlocking, and reversing — controlling induction motors via contactors and VFD drives

Modbus, Profinet, and Ethernet/IP — how PLCs talk to smart sensors, HMI panels, and other controllers

Reading LED indicators, watch tables, and online monitoring — a systematic methodology for diagnosing automation faults

Applying everything you learned in one project — a multi-stage packaging system with sensors, motors, and an HMI screen

From steam engines to connected factories — the nine pillars of Industry 4.0 and how they change everything in manufacturing

How ordinary sensors become smart sensors sending data to the cloud — MQTT, edge gateways, and cloud platforms

What is a Manufacturing Execution System and how it connects production orders to real machines — tracking, scheduling, and real-time quality

From 3D models to live simulation — building a digital twin that predicts failures and tests changes without risk

Collecting, cleaning, analyzing, and visualizing data — live dashboards, OEE indicators, and trend analysis

Why protecting control systems differs from IT security — air-gapped networks, firewalls, and the IEC 62443 standard

Industrial vs collaborative robots — safety features, teach-by-demonstration programming, and assembly line applications

When to process data locally vs sending it to the cloud — edge computing, hybrid cloud, and critical response times