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, ...

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 ...

On the surface, a programmable logic controller (PLC) might seem like nothing more than a generic microcontroller, perhaps outfitted to operate in industrial settings with things like high ...

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 ...

When learning ladder logic, I was told that some new PLC systems were moving to scripted programming languages. My instructor assured us that we would not need to know anything other than ladder logic ...

As a global developer and manufacturer of Programmable Logic Controllers with onboard HMIs, Unitronics is proud to introduce the first member of their Jazz 2 Series - the JZ20-R31. With 48K (virtual) ...

A Programmable Logic Controller, commonly known as a PLC, is a robust industrial computer designed to control manufacturing processes and machinery. Initially developed to replace relay logic systems, ...

Old habits die hard. But change is inevitable. And in this case, if proponents are right, change is on the way in the form of an open PLC programming standard known as IEC 61131-3. Promulgated by the ...

Programmable logic controllers (PLCs) are used extensively throughout the world. Over time, they have advanced to become more user-friendly, efficient, smaller, and less expensive. Different types of ...