The SLC 500 PLC family dominated automation control for well over thirty years and now, with the recent discontinuation of most of the series, we look at the differences between SLC and modern Logix PLCs. If you have worked in the automation industry in any facet over the last thirty years, especially in North America, … Read more
Take a trip down memory lane and go through the different communication systems used throughout the years and learn about the factors that led to where we are today. Faster data, longer wires, and more information. These are the three goals of digital communication, and nowhere is this more important than within the walls of … Read more
Start to understand the difference between analog and digital communications, and read a few examples of how analog, digital, and discrete signals can be used in a control system. Communication between devices is one of the most critical, yet confusing concepts within a modern control system. Much of the confusion is due to many years … Read more