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Draw and explain analog input module of PLC.

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Analog input module are used for supplying analog input signal to PLC. Analog signals are generated by transducers, potentiometers. PLCs analog input module consists of analog-to-digital converter (ADC). ADC converts the analog voltage into binary equivalent number and stores it in RAM of PLC. PLC reads the binary number and takes further decision based on the required logicĀ 

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