AutomationDirect Offers Free PLC eBook Download
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AutomationDirect Offers Free PLC eBook Download

AutomationDirect’s new eBook, “PLC Handbook: A Practical Guide to Programmable Logic Controllers” is now available as a free download. Designed as an easy-to-read guide for users new to PLCs, this eBook explains what a PLC is and its history. It also provides detailed information about what to look for when choosing a controller, with both…
What is a PLC? Definition, Benefits & Examples
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What is a PLC? Definition, Benefits & Examples

PLC Definition Programmable Logic Controllers (PLC) are often defined as miniature industrial computers that contain hardware and software used to perform control functions. More specifically, a PLC would be used for the automation of industrial electromechanical processes, such as control of machinery on factory assembly lines, amusement rides, or food processing. They are designed for multiple…
History of the PLC
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History of the PLC

The PLC or Programmable Logic Controller has revolutionized the automation industry. Today PLCs can be found in everything from factory equipment to vending machines, but prior to New Year’s Day 1968 the programmable controller didn’t even exist. Instead what existed was a unique set of challenges that needed a solution. In order to understand the…
PLC Communications - Coming of Age
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PLC Communications - Coming of Age

PLC communications has grown and changed over the many years since the controller’s inception decades ago. Industrial needs and technological advances have kept PLC communications evolving, and this post will explore some past and present communication standards, and what the future may hold. PLC Partners in Communications PLCs need to communicate to a number of different…
Portable Water Treatment Platform Removes Phosphorus Economically
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Portable Water Treatment Platform Removes Phosphorus Economically

A trailer-mounted water treatment process controlled by a Productivity2000 PLC has recently been developed at the University of Idaho. Professor Greg Möller, in the College of Agriculture and Life Sciences, along with engineers from the College of Engineering have teamed up to build the platform, and to further research the economical removal of phosphorus from various…
What is Ladder Logic?
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What is Ladder Logic?

PLCs have exploded in the controls market and are used throughout the world. Over time they have advanced to become more user friendly, efficient, smaller and less expensive. Different types of programming languages have also been developed for PLCs but the most frequently used is still Ladder Logic.   The Origins of Ladder Logic – Relay…
5 Reasons for In-House PLC Knowledge
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5 Reasons for In-House PLC Knowledge

Managers and business owners everywhere are always looking for ways to keep operating costs down to stay viable in a highly competitive world. And for many industries, automation has become that way. Investing in a control system application can provide lower operational costs and therefore higher bottom lines. But your return on investment can be…