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. Relay: A relay is an auxiliary contractor used in control circuit, as a digital input or output to switch on or off an electrical contractor. Relays are normally used for low power applications. Relays are designed for handling low power loads. Relays are mainly used to perform signal detection, transmission, transformation, or processing.

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Chapter 6, Problem 27RQ

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.

Relay:

A relay is an auxiliary contractor used in control circuit, as a digital input or output to switch on or off an electrical contractor.

Relays are normally used for low power applications.

Relays are designed for handling low power loads.

Relays are mainly used to perform signal detection, transmission, transformation, or processing.

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