i want the basic concepts on this,a synonpsis on particular problem,also the circuit diagram,component needed and programming needed for this
essgee009controller
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Want to review microcontroller based annunciation circuits,operation is without potential.
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8051 microcontroller based annunciator system
In any plant, when a process parameter goes to abnormal limit, the operator is to be alerted immediately, so that he can take corrective
actions to bring the parameter back to normal. Also, when the parameter returns to normal, the operator should know it. This task of calling the operator attention in such conditions is accomplished by alarm annunciation system. This function has a very important role in the safety of nuclear reactors and hence alarm annunciation system is classified as category-IB system as per AERB guidelines. Alarm annunciation systems have been available around in the industry for quite some time. But systems available in the industry generally do not provide enough self-diagnostic and fault tolerant capabilities required for the purpose of a nuclear reactor. Moreover, it is extremely difficult to
qualify these commercially available systems. Hence, Reactor Control Division took up the task of developing an advanced alarm annunciation system