81001-450-53-R ALLEN BRADLEY SGCT晶闸管 控制板

81001-450-53-R ALLEN BRADLEY SGCT晶闸管 控制板

输入接口电路的功能是：将人们想要对电路板所说的话或要办的事转化成电路板中微处理器能够识别的电平信号。

微处理器控制电路：微处理器控制电路主要用在主控制板电路板中，当我们看到电路板中模样长得四四方方或长方形形状、有很多引脚的元件，在它的旁边有晶振元件的，这个元件大多是微处理器元件，以微处理器为核心元件的周围就是微控制器电路。

微处理器控制电路主要功能是：接受输入接口电路发送过来的相关信息，并对这些信息进行分析、处理，并作出相应的处理结果，把处理结果进一步送给输出接口电路。

输出接口电路：从微处理器输出的信号驱动能力比较微弱，不能直接驱动大功率管、继电器线圈、电磁阀、喇叭等大功率器件，要想驱动大功率管、继电器线圈、电磁阀、等大功率器件，需要对微处理器控制电路输出的电信号进行调理，从而实现驱动大功率管、继电器线圈、电磁阀、喇叭等大功率器件能力，起这样功用的一部分电路就是咱们所说的输出接口电路。

输出接口电路的功用：对微处理器输出的信号进行电流或电压放大或作其它方面的处理后，使调理后的信号能够驱动大功率管、继电器线圈、电磁阀、喇叭、电动机等大功率器件动作。

保护电路：在电路板中，当出现供给电路板中的电源电压出现电压过高、电流过大情况时，工作时出现温度过高情况的时候、输入或输出电路出现缺相的情况时后，可能会出现烧坏电子元件的情况！设计人员在设计电路时通常会设计一些保护电路，来保护电路板在出现电压过高、电流过大、过热、缺项等情况之一时，采取相应的保护措施，来保护电路板尽量不损坏或将损坏程度降低到zui小限度！

81001-450-53-R ALLEN BRADLEY SGCT晶闸管 控制板

The function of the input interface circuit is to convert what people want to say or do to the board into a level signal that the microprocessor in the 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.

Output interface circuit: The signal driving ability output from the microprocessor is relatively weak, and it can not directly drive high-power devices such as high-power tubes, relay coils, solenoid valves, horns, etc. In order to drive high-power devices such as high-power tubes, relay coils, solenoid valves, etc., it is necessary to adjust the electrical signal output of the microprocessor control circuit. In order to achieve the ability to drive high-power tube, relay coil, solenoid valve, horn and other high-power devices, a part of the circuit of such function is what we call the output interface circuit.

The function of the output interface circuit: After current or voltage amplification or other processing of the signal output by the microprocessor, the conditioned signal can drive the high-power tube, relay coil, solenoid valve, horn, motor and other high-power devices.

Protection circuit: In the circuit board, when the power supply voltage in the circuit board is too high, the current is too large, when the temperature is too high at work, when the input or output circuit is out of phase, there may be burned out electronic components! Designers in the design of the circuit usually design some protection circuit, to protect the circuit board in the occurrence of too high voltage, too much current, overheating, lack of one of the cases, take appropriate protective measures to protect the circuit board as far as possible not to damage or reduce the damage to a minimum!

81001-450-53-R ALLEN BRADLEY SGCT晶闸管 控制板

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