Though PLC (programmable logic controller) programming languages may not receive the attention that general computing programming languages, such as JavaScript, C#, or Python do, they remain critical ...

One of the easiest ways to understand what is meant by ‘object oriented’, is to define what it is not. Before Object Oriented Programming (OOP) programs were written an imperative way, essentially a ...

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 ...

Martin Buchwitz is editor of SPS Magazin in Germany. SPS Magazin has concentrated on the topic of engineering of control systems for a few months now, especially on programming. The reason for us ...