Abstract: With increasing use of microprocessor-based relays, incorporating logic into relays has become more common. Traditional relay and control schemes used dc control schematics to describe how ...

When electronics release the Magic Smoke, more often than not it’s a fairly sedate event. Something overheats, the packaging gets hot enough to emit that characteristic and unmistakable odor, and ...

Programmable relays are versatile control devices that combine relay functionality with programmable logic capabilities. They are widely used in automation applications for tasks such as machinery ...

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, ...

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 ...

An experienced protection and integration engineer can help determine the best configurable relay settings to provide maximum system protection and advanced functionality. Photo courtesy: Emerson ...

Abstract: Users of protective relays apply these devices specific to their needs and applications. In order to perform this task, schemes are developed and applied to protective relays in the form of ...

There are many vendors and sources of PLCs: Automation Direct, FactoryMation, B&B Electronics, and yes, even eBay, among others. I will use the Click PLC available from Automation Direct as an example ...

Leuze Electronic has expanded its product range in the area of safety at work. With its programmable safety controls and an expanded line of safety relays, Leuze Electronic offers safe products for ...

Two new controllers have joined the Jazz 2 Series, the JZ20-R16 and JZ20-R10. The controllers feature 48K (virtual) ladder-logic memory and a built-in mini USB programming port. The controllers can ...