Programmable Logic Controller (PLC): PLC is a specialized computer used in industrial segments to control machines and process. PLC is program that consists of a set of instructions which resembles the controlling functions needed to perform specific tasks. The function of PLC is similar to that of a relay and hence, in an industrial segment a relay is greatly replaced by a suitable PLC. When compared to general Personal Computer (PC), a PLC is available in small and tiny sizes. The basic architecture of a PLC consists of an input-output interface module and a small Central Processing Unit (CPU) that runs by controlling programming language. PID Control: The Proportional Integral Derivative (PID) control refers to a feedback control method. It performs the combined actions of proportional, integral, and derivative controls. It is one of the most widely used process controller. The PID control is used to maintain a process variable within the limits of a specified set point. These process variables can be temperature, flow, level, or speed. It also allows the control process operations to take place outside the Central Processing Unit (CPU), which in fact, greatly reduces the additional burden of CPU.

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Chapter 14, Problem 16RQ

Program Plan Intro

Programmable Logic Controller (PLC):

PLC is a specialized computer used in industrial segments to control machines and process.

PLC is program that consists of a set of instructions which resembles the controlling functions needed to perform specific tasks.

The function of PLC is similar to that of a relay and hence, in an industrial segment a relay is greatly replaced by a suitable PLC.

When compared to general Personal Computer (PC), a PLC is available in small and tiny sizes.

The basic architecture of a PLC consists of an input-output interface module and a small Central Processing Unit (CPU) that runs by controlling programming language.

PID Control:

The Proportional Integral Derivative (PID) control refers to a feedback control method.

It performs the combined actions of proportional, integral, and derivative controls.

It is one of the most widely used process controller.

The PID control is used to maintain a process variable within the limits of a specified set point. These process variables can be temperature, flow, level, or speed.

It also allows the control process operations to take place outside the Central Processing Unit (CPU), which in fact, greatly reduces the additional burden of CPU.

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