A Beginner’s Guide to PLC Programming for Industrial Automation
Walk into almost any factory, packaging line, water treatment plant, or materials handling facility, and you will find a programmable logic controller somewhere in the background making decisions. A conveyor starts when a photoeye clears. A motor stops when a guard door opens. A valve opens for exactly three seconds, then closes and waits for the next batch. Those actions do not happen by accident. They happen because someone wrote logic that turns a process into a predicta