Among several programming languages ladder logic diagram is the most basic and simplest form of programming the plc.
Plc programming ladder logic.
This video is an introduction to what ladder logic is and how it works.
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.
The most commonly used plc programming language is the ladder logic diagram.
As programmable logic controllers became more sophisticated it has also been used in very complex automation systems.
Ladder logic plc programming.
When the plc was invented designers found a way to use the existing knowledge of the relay control system designers for programming the plc.
Part 1 of 2 more videos are available.
Introduction to plc ladder logic programming.
Ladder logic is a visual programming language used to program plc s programmable logic controllers.
The below figure shows the hardwired ladder diagram wherein the same.
You can reuse chunks of a plc program in your own plc program.
The reason for its popularity is that relay logic diagrams were closely resembled by the ladder logic diagrams.
Before going to program the plc with this language one should know some basic information about it.
Ladder logic plc programming.
In fact reusable code is widely used and many automation projects are build on the isa 88 or s88 batch control standard which encourages reusable function blocks.
If you learn ladder logic programming using allen bradley software and suddenly find the need to program a siemens plc you already know the most important part how to program.