The story of how I, who had only ever used Ladder, tried my hand at ST language

In my previous article, I wrote about my journey from when I first started working with PLCs to my time in maintenance, ...

IL is gone, but Ladder remains—why does PLC Ladder logic survive even in the era of Structured Text?

"Ladder is outdated. The future of PLCs is Structured Text (ST)."In the world of FA, you sometimes see this kind of ...
GlobalSpec

CHAPTER 5: LADDER AND FUNCTIONAL BLOCK PROGRAMMING

A thoroughly practical introduction to PLC use and application, this book covers IEC 1131-3, industrial control scenarios and communications and includes problems at the end of each chapter as well as ...
Radio World

Understanding PLC Programming Methods and the Tag Database System

In part one of this series, we looked at the PLC’s internal architecture, briefly discussed Ladder Logic programming, Human-Machine Interfaces, advantages of the PLC’s ability to react consistently ...
Machine Design

Understanding the Shrinking Role of Ladder Logic

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 ...