Relay Controllers Vs PLC Controllers – An Insight into their Circuitry

For more, please read our publication 'Electro-Pneumatics and Automation' Electro-pneumatics and Automation The basic concepts of a relay control system and a PLC control system are highlighted in this article with the help of a circuit diagram. Assume that an electro-pneumatic system is used for obtaining an industrial work operation. The system consists of a... Continue Reading →

The Essence of Programmable Logic Controllers (PLCs)

A programmable logic controller (PLC) is a modern device that can be used to control the work process in a machine or an appliance. The operations involved in the work process are carried out by some kind of actuators such as electric motors, pneumatic actuators, hydraulic actuators, etc., which are in turn controlled by final... Continue Reading →

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