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 ...

Basics of Ladder Logic provides an overview of the basic principles, structure, and symbols of ladder logic programming. This class introduces the components of ladder logic programming language used ...

Higher amperage relay output modules and an 8-point input simulator module are now available from AutomationDirect for the Click series stackable micro brick PLCs. The Click C0-04TRS-10 ($54.00) is a ...

The class Numbering Systems and Codes explains the numbering systems used with PLCs, as well as the process for converting between different numbering systems. PLCs use numbering systems to process ...

In the “Say It with Me” series, we’ll take a commonly used concept out of electronics and explain it the best we can. If there’s something that’s been bugging you, or a certain term or concept that ...

The data connection device under test in Figure 1 is characterized by comparing test signals sent into the link with signals measured at the link output. The differences between these two test signals ...

Part 1 of this series discussed what characteristics make up a good load slammer. This article discusses how to use load slammers effectively to design, evaluate, debug, and validate your on-board ...