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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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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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The Programmable Logic Controller, PLC is basically a programmed interface in between the field input elements and the final control element. Advantages of PLC
Continue reading 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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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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