Relay Controllers Vs PLC Controllers – An Insight into their Circuitry

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 to obtain an industrial work operation. The system consists of a pneumatic power part and an electrical control part. The electrical control part... Continue Reading →

August 13, 2018 0

The Essence of Programmable Logic Controllers (PLCs)

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

September 12, 2017 0