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PLC ( Programmable Logical Controller )
PLC stand for programmable logical controller. PLC is an industrial computer used to monitor inputs and depending upon their make decisions based on its program to control its outputs to automate a machine or a process. In another way a PLC may be called a digitally operating electronic apparatus because it is basically used a programmable memory for the internal storage of instructions by implementing specific functions such as logic sequencing. Timing counting and arithmetic to control various types of machines. They are used in many industries such as oil refineries manufacturing lines conveyor system etc.
Research and recommend a sensor for a real full size conveyor system of approximately 1000mm width to detect objects of varying size passing along it. Discuss the suitability of th
Three Logic Levels are used and they are High, Low, High impedance state. The high and low are normal logic levels & high impedance state is electrical open circuit conditions. Tri
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what is digital signal
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