Difference between PLC and DCS

In the world of industrial automation, Programmable logic controllers (PLC) and Distributed Control Systems (DCS) are used to control or automate a process or a machine. They monitor the field…

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Electromechanical relays vs solid-state relays

Relays are electrically operated switching devices, used to gain control over processes and circuits. Based on their principle of operation they are classified into two types: Solid-state relays and electromechanical…

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Difference between NO and NC

In every control circuits and automation systems, logic is developed based on the open or closed state of switches, sensors or relays. Hence it is mandatory to know the concept…

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Digital I/O and Analog I/O

Automation has become the backbone of almost all industries worldwide. Digital IO and analog IO are the most basic terms of any PLC/DCS based control and microcontroller-based applications. A PLC…

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PLC, DCS, RTU, SCADA and PAC Systems

PLC - Programmable Logic Controller Programmable logic controllers are electronic devices used to control a process. It consists of CPU; Input and output devices, power supply, communication and redundancy units.…

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