EDN

Reference Design: Introduction to PLCs (Programmable Logic Controllers)

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 ...
EDN

Programmable logic: A practical introduction for beginners

The PAL family continued to evolve into the late 1980s, with faster, lower-power devices, including ones that could be reprogrammed. The most complex device type developed was probably the PAL22V10, ...
Machine Design

Engineering Essentials: What Is a Programmable Logic Controller?

A programmable logic controller (PLC) is an industrial solid-state computer that monitors inputs and outputs, and makes logic-based decisions for automated processes or machines. 1. The image above is ...
Radio World

Applied Technology: Programmable Logic Controllers for Broadcast Engineers

As engineers, we often need to design a customized control system or interface to address a need which can”t be met with an off-the-shelf interface device. In the used-to-be days, we”d get a Bud box, ...