One of the smart things about the ladder logic symbols is that they are made to look like electrical symbols. These graphic elements are called symbols. Ladder logic is a graphical programming language which means that instead of text, the programming is done by combining different graphic elements. Especially if you have prior experience with electrical circuits and relays or some boolean logic. You should know why ladder logic was invented because then it will be much easier for you to understand it. To get you started with ladder logic there are a few things you should know about the programming language. But for now, the only thing you need to know is that there is a standard describing this programming language. This simply means that ladder logic is described in a standard. It is one of the standardized PLC programming languages. Ladder logic is not only a programming language for PLC’s. The people or the organization that sets the standards for ladder logic is PLCOpen. Even simple bit logic operations can be beneficial in more advanced PLC programs and SCADA system programming. Ladder logic is mainly for bit logic operations, although it is possible to scale a PLC analog input. Ladder logic is made out of rungs of logic, forming what looks like a ladder – hence the name ‘Ladder Logic’. It is a graphical PLC programming language which expresses logic operations with symbolic notation. Ladder logic (also known as ladder diagram or LD) is a programming language used to program a PLC ( Programmable Logic Controller ). Ladder Logic Programming with Instructions.GO TO PART 2 OF LADDER LOGIC TUTORIAL -> Ladder Logic PLC Programming Tutorial If you want to deepen your understanding further, you can also take an online PLC programming courses. You will be able to start making real PLC programs with ladder logic in almost any PLC programming software.Īfter reading this tutorial I strongly recommend that you continue with part 2 of the course. In this ladder logic tutorial, you will learn everything you need to know about the ladder diagram PLC programming language. So if you already know a little bit about relay control and electrical circuits, you can learn ladder logic even faster.īut that’s definitely not a requirement, and I myself didn’t understand relays when I first learned ladder logic.
The smart thing about ladder logic is that it looks very similar to electrical relay circuits. The great thing about ladder logic is that it’s much more visual than most programming languages, so people often find it a lot easier to learn. One of the best visual programming languages is a PLC programming language called ladder logic or ladder diagram (LD).
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