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PLC blocks

The various PLC blocks and their functions are as follows :  1.   In-put Unit : It acts as an interfacing link between the Input instructions and the Central processing unit. The analog input generated by the sensor/transducer/limit-switch ...

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Signal transmission

As mentioned in my earlier posts, the i/p instructions are fed to i/p unit. To know about it in details, refer https://electricalfundablog.com/blog/instrumentation-control/process-control . Now, lets discuss about how Signal transmission happens to CPU. During the commencement of an instruction cycle, the Central Processing Unit ...

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Programmable Logic Controller

A Programmable Logic Controller can be defined in many ways. It can be defined as a program controlled electronic equipment with a reprogrammable memory for storing a set of commands which is used for executing exact tasks like logical, arithmetic, timer, counter, and  furthermore ...

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Process Control

Before going to details of Process control and Automation, Lets understand its basic first. The approach to identify the actual status of ongoing processes at any instance of time, re-analyse the acquired data in accordance with preset rule and guiding principle and consequently carrying out the ...

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