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. If you want to deepen your understanding further, you can also take an online PLC programming courses. Ladder logic (also known as ladder diagram or LD) is a programming language used to program a PLC ( Programmable Logic Controller ).īuilding Logic with Ladder What is Ladder Logic?.Ladder Logic Programming with Instructions.GO TO PART 2 OF LADDER LOGIC TUTORIAL -> Ladder Logic PLC Programming Tutorial It is a graphical PLC programming language which expresses logic operations with symbolic notation. Ladder logic is made out of rungs of logic, forming what looks like a ladder – hence the name ‘Ladder Logic’. Ladder logic is mainly for bit logic operations, although it is possible to scale a PLC analog input. Even simple bit logic operations can be beneficial in more advanced PLC programs and SCADA system programming. The people or the organization that sets the standards for ladder logic is PLCOpen. Ladder logic is not only a programming language for PLC’s. It is one of the standardized PLC programming languages. This simply means that ladder logic is described in a standard. But for now, the only thing you need to know is that there is a standard describing this programming language.
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