WHAT IS PLC in automation?

WHAT IS PLC in automation?

What is the PLC? The programmable logic controller or PLC can be defined as a specialized computer. It varies from a typical home or office personal computer. On the other hand, it cannot bear anywhere near the similar varied tasks, but it can handle the tasks it does in a very quick manner. Because of the high-speed process of a lot of automated applications, it is basic to define that a PLC processor do not have the ability to be bogged down or slowed in the way a basic computer experience. For a fact, a fast processor alone is not able to complete automation tasks as asked for. The PLC’s capability to bear thousands of I/Os (input-outputs, inputs and outputs) using a single processor is the best way to describe the product as the core “brain” of every PLC based automated system. If you are looking for a complete system integration, visit EQUUSTEK.COM right away.


Why Is PLC Important?

For a fact, PLC programming is the act of constructing the basic logic for a programmable logic controller (PLC.) PLCs are basically computed in a “language” proprietary to the controller. It is best defined as a translation from spoken word to anything the controller can define and execute.


Why is a PLC utilized in Automation?

PLC is a basic computer that looks over the inputs and outputs to build decisions based on the program found in the PLC’s memory. The utilization of PLC’s aid in cutting down the human decision-making efforts to build a gained efficiency. PLCs put into the internal relays that can act as a physical relay would. It is able to cut down the relay footprint driving costs down.


What Type of Programming Language is Chosen For PLC?

The most basic language utilized in PLC is Ladder Logic. It bears akin descriptions with electrical drawings. The other basic common programming languages chosen for PLC are:

1.      Structured Text – comparable to traditional command-based computer programming

2.      Sequential Flow Chart (SFC) – closely associated on a traditional flowchart

3.      Instruction List

4.      Function Block Diagram


PLC programming is very important to modern industry, because of its capability to cut down the monotony of simplistic work tasks, to convert wiring and reduce material costs to simple meanings and to build dynamic and difficult routines that outdated methods like mechanical relay-based control basically cannot handle and, also, those that cannot be handled in a cost-effective manner. The PLC allows cost-effective solutions to build the smallest and largest of manufacturers looking for solutions to manufacturing applications, complex assembly, testing and process control.



The PLC’s most vital parts are its CPU, I/O modules as well as its rack and power supply. For a fact, the CPU functions as the brain of the PLC. It bears the mathematical heavy lifting sought out to run an automated system at a very great speed. Furthermore, the I/O modules interlinks the field inputs (such as the sensory evaluation to the machine) and the outputs (the parts that produce mechanical motion and other functions) to the rack. In this lieu, the rack interlinks the processor and the I/O modules to transfer data among the two. The power supply delivers the energy to do this.


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