Software continues to rise as a percentage of automation development costs. Enhancements or maintenance of the code can be more than double the initial costs. That's why standards are important. They're designed to improve productivity, quality and efficiency. They establish a common base for understanding, training and collaboration. IEC 61131-3 was most recently updated in 2013. It's an open PLC standard that defines the application programming development environment. In a new on-demand presentation, Bill Lydon, director of PLCopen North America and editor of Automation.com, explains the four programming languages and the structured design language that the standard…Full Story
Can a simple application still benefit from a programmable logic controller, or is a programmable relay all it needs?