Programmable Logic Controller (PLC): • Programmable Logic Controller (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 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 control programming language.

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Chapter 2, Problem 49RQ

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Programmable Logic Controller (PLC):

• Programmable Logic Controller (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 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 control programming language.

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