ALSTOM 12004-102-01 VPS Board VER.C Controller module card
Power supply circuit: The power supply circuit is a part of the circuit that provides energy to each unit circuit in the entire circuit board, which works in a high voltage and high current environment, and is a part of the circuit that is prone to failure.
The function of the power supply circuit is to convert 220VAC or 380VAC AC into a variety of different levels required by the circuit board, and the output voltage is set at +5V, 12V, 15V, 18V, 24V levels Direct current.
Input interface circuit: The input interface circuit is a part of the circuit board and the outside world for information exchange and communication, which can convert what people want to say or do to the circuit board into an electrical signal that the microprocessor in the circuit board can recognize.
For example: when we are monitoring the temperature, if you use our ordinary human communication language to say to the microprocessor, the temperature is high, please turn it down a little, the microprocessor is not able to understand what we say, at this time, we can first use the interface circuit to convert the temperature signal into an electrical signal,
and then process the converted electrical signal. You get an electrical signal that the microprocessor can recognize. That way, once the microprocessor knows what we want it to do, it can do what we want it to do.
Other signals such as illumination, pressure, wind, liquid level, position, and so on are the same. The function of the input interface circuit is to convert what people want to say or do to the circuit board into a level signal that the microprocessor in the circuit board can recognize.
Microprocessor control circuit: microprocessor control circuit is mainly used in the main control board circuit board, when we see the circuit board in the shape of a square or rectangular shape, there are many pin components, next to it there are crystal components, this component is mostly microprocessor components,
microprocessor as the core component around the microcontroller circuit. The main function of the microprocessor control circuit is to accept the relevant information sent by the input interface circuit, and analyze and process the information, and make the corresponding processing results, and further send the processing results to the output interface circuit.
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