The programmable logic controller (PLC) is a microprocessor-based system that accepts input data from switches and sensors, processes that data by making decisions in accordance with a stored program, ...

This tutorial offers an in-depth introduction into programmable logic controllers (PLCs). The article starts with an overview of the history and the role PLCs in factory automation. The basic ...

Aging programmable logic controllers (PLCs) are exposing power generation and industrial water facilities to growing ...

When a PLC is used primarily to replace relays, timers, and counters, it's hard to beat the simplicity and usefulness of ladder diagram programming. Their ability to accept programming in ladder ...

To help manufacturers understand how they can mitigate potential negative impacts to production operations when message brokers are not yet or can’t be used to manage data required from PLCs, ...

This file type includes high-resolution graphics and schematics when applicable. Historically, motion controllers, programmable logic controllers (PLCs), and industrial personal computers (PCs), which ...

Move over, Stuxnet: researchers have discovered a way to silently manipulate the programmable logic controller (PLC) systems that control water, power, and other industrial processes without getting ...

Researchers have devised a new malware attack against industrial programmable logic controllers (PLCs) that takes advantage of architectural shortcomings in microprocessors and bypasses current ...