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. Given: The following assumptions regarding the hardwired control circuit is made. A Normally Open (NO) stop pushbutton is used. A NO run pushbutton is used. The jog pushbutton used here consists of one set of NO contacts. The Overload (OL) contact is hardwired. It consists of an output motor starter relay coil.

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Chapter 6, Problem 4P

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.

Given:

The following assumptions regarding the hardwired control circuit is made.

A Normally Open (NO) stop pushbutton is used.

A NO run pushbutton is used.

The jog pushbutton used here consists of one set of NO contacts.

The Overload (OL) contact is hardwired.

It consists of an output motor starter relay coil.

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