5SHY4045L0004 ABB
通常由输入转换部分、放大器和反馈部分组成。输入转换部分包括敏感元件,他的作用是感测被测参数,并把被测参数转换成某一中间模拟量。中间量可以是电压、电流、位移和作用力等物理量。反馈部分把变送器的输出信号转换成反馈信号。放大器把中间模拟量和反馈量的差值放大,并转换成标准输出信号。
Usually consists of input conversion part, amplifier and feedback part. The input conversion part includes a sensitive element, and its function is to sense the measured parameter and convert the measured parameter into an intermediate analog quantity. Intermediate quantities can be physical quantities such as voltage, current, displacement, and force. The feedback part converts the output signal of the transmitter into a feedback signal. The amplifier amplifies the difference between the intermediate analog quantity and the feedback quantity, and converts it into a standard output signal.
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