Programmable Logic Controller (PLC) in Automation

Mallikarjun G Hudedmani; R M Umayal; Shiva Kumar Kabberalli; Raghavendra Hittalamani

doi:10.21467/ajgr.2.1.37-45

Authors

Mallikarjun G Hudedmani KLE INSTITUTE OF TECHNOLOGY HUBBALLI-580030 VTU BELAGAVI
R M Umayal KLE INSTITUTE OF TECHNOLOGY, HUBBALLI-580030, VTU BELAGAVI
Shiva Kumar Kabberalli KLE INSTITUTE OF TECHNOLOGY, HUBBALLI-580030, VTU BELAGAVI
Raghavendra Hittalamani KLE INSTITUTE OF TECHNOLOGY, HUBBALLI-580030, VTU BELAGAVI

DOI:

https://doi.org/10.21467/ajgr.2.1.37-45

Abstract

The programmable Logic Controller (PLC) is the central controlling unit in the industry or a process. The effective operation of the process and safety considerations if programmed appropriately can meet the required objectives. The present technical paper briefly distinguishes the present automation systems and the past technologies to identify and explore the capabilities of PLCs for any process. The relay logic and contactor logics (RLC) were practiced in the olden days which include the human intervention and errors. The advent and application of microprocessors, microcontrollers and new specific tools such as PLCs, Supervisory control and data acquisition (SCADA) and Distributed control systems (DCS) have increased productivity, accuracy, precision and efficiency. These systems reduced human intervention and increased the flexibility in the process control. The keyword automation clearly states that the working of a process or repetition in an efficient manner by incorporating mechanisms and control sequences in the proper order several times with acceptable deviations in the output of the process.

Keywords:

Automation, PLC, Logic control, SCADA and DCS

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Author Biographies

Mallikarjun G Hudedmani, KLE INSTITUTE OF TECHNOLOGY HUBBALLI-580030 VTU BELAGAVI

Associate professor
Department of Electrical and Electronics Engineering

R M Umayal, KLE INSTITUTE OF TECHNOLOGY, HUBBALLI-580030, VTU BELAGAVI

BE Sem VIII student, Department of Electrical & Electronics Engg.

Shiva Kumar Kabberalli, KLE INSTITUTE OF TECHNOLOGY, HUBBALLI-580030, VTU BELAGAVI

BE Sem VIII Student, Department of Electrical & Electronics Engg.

Raghavendra Hittalamani, KLE INSTITUTE OF TECHNOLOGY, HUBBALLI-580030, VTU BELAGAVI

BE Sem VIII Student, Department of Electrical & Electronics Engg.

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