ABB FM9925A-E 高压变频器模块

FM9925A-E在电路板上,无论什么类型的电路板基本上都是由:电源电路、输入接口电路、微处理器控制电路、输出接口电路、显示电路、保护电路和通信电路等组成。7.大部分电路组成。只要我们掌握了七类电路的结构和控制原理，了解了每类电路的结构特性和关键元器件，就能在电路板上判断电路的每个部分都属于那类电路，熟悉每种电路的故障规律和特点，我们就可以对各种类型的电路板进行维护。FM9925A-E HIEE45116R000电路模块FM9925A-E电源电路:电源电路是电路的一部分，为整个电路板中的每个单元电路提供能量。它工作在高电压、大电流的环境下，是最容易发生故障的部分电路。电源电路的功能是将220VAC或380VAC交流转换为电路板所需的+5V，12V, 15V, 18V和24V恒定输出电压的各种直流电。

FM9925A-E is basically composed of power supply circuit, input interface circuit, microprocessor control circuit, output interface circuit, display circuit, protection circuit, and communication circuit, regardless of the type of circuit board. 7. Most of the circuit components. As long as we master the structure and control principles of the seven types of circuits, understand the structural characteristics and key components of each type of circuit, we can determine which type of circuit each part belongs to on the circuit board, be familiar with the fault patterns and characteristics of each type of circuit, and we can maintain each type of circuit board. FM9925A-E HIEE45116R000 Circuit Module FM9925A-E Power Circuit: The power circuit is a part of the circuit that provides energy for each unit circuit in the entire circuit board. It works in high voltage and high current environments and is the most prone part of the circuit to malfunction. The function of the power circuit is to convert 220VAC or 380VAC AC into various DC currents with constant output voltages of+5V, 12V, 15V, 18V, and 24V required for the circuit board.