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Department of Electrical Engineering, CGPIT has organized Three Days Workshop on “Introduction and Programming of PLC” during 3rd – 5th August, 2017.


India is moving rapidly with the world, where every sector creates a new field of opportunities for Indian professionals. A programmable logic controller (PLC) is an industrial solid-state computer that monitors inputs and outputs, and makes logic-based decisions for automated processes or machines. PLC is with a built-in operating system (OS), which is highly specialized and optimized to handle incoming events in real time, i.e., at the time of their occurrence.
The PLC has input lines, to which sensors are connected to notify of events (such as temperature above/below a certain level, liquid level reached, etc.), and output lines, to which actuators are connected to effect or signal reactions to the incoming events (such as start an engine, open/close a valve, and so on).
The system is user programmable. It uses a language called "Relay Ladder" or RLL (Relay Ladder Logic). The name of this language implies that the control logic of the earlier days, which was built from relays, is being simulated.

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