详情：

技术说明：ABB 3BSEO21180R1 信号调节板 信号调理器

信号调理器的功能包括:1)信号转换

信号调理器的主要功能是接收情号并将其转换成更高电平的电信号。信号转换通常用于需要多种传感器进行测量的工业应用。由于使用的传感器不同，因此需要转换为所连接设备能使用的信号，也就是标准过程信号。

2)线性化

当传感器产性的信号与物理量没有线性关系时，某些信号得理髅可以实现线性化。这是一个软件解释信号的过程，例如热偶信号。由于每个传倦器都不可能是完全线性的，所以这种方法可以用来实现更高精度。在传感器标定及校准过程中，需要对线性化参数进行评估。

3)放大

下一步是信号放大和处理数字化信号过程。信号放大的方法有两种:增加输入信号的分辨率，或者提高信噪比。

不同用途的信号闻理采用多种不同放大器，为提高精度，好使用直流信号，具有高输入阻抗、高共模抑制比。(CMRE)，高增益等特性。另外就是采用隔离放大器，一般是用于小的交流或差分信号。

4)滤波

信号调理器的另一个重要功能是滤波，其对信号频潜进行虑液，只保留有效数据并防止噪声。滤波可以采用无源和有源部件或是数字算法进行。无源滤波只使用电容、电阻和电感器，其大增益为1，有源族波除了运算放大器和晶体管等有源元件外，还使用无源元件。先进的信号调理器采用数字滤波，因为它们易于调整，且不需要硬件。数字滤波器是一种用来处理信号的数学滤波器，例如阻断或通过特定的频率。他们使用的逻辑元件包括ASIC、FPGAs或一个信号处理程序。

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Details:

Technical description: ABB 3BSEO21180R1 signal regulator signal conditioner

The functions of the signal conditioner include :1) signal conversion

The main function of the signal conditioner is to receive the signal and convert it into a higher electrical signal. Signal conversion is often used in industrial applications that require multiple sensors for measurement. Because of the different sensors used, it needs to be converted into a signal that can be used by the connected device, that is, a standard process signal.

2) Linearization

When the signal produced by the sensor has no linear relationship with the physical quantity, some signal theory can be linearized. This is a process in which software interprets signals, such as thermocouple signals. Since every transducer can never be completely linear, this method can be used to achieve higher accuracy. In the process of sensor calibration and calibration, the linearization parameters need to be evaluated.

3) Zoom in

The next step is signal amplification and processing of the digital signal process. There are two ways to amplify a signal: increase the resolution of the input signal, or increase the signal-to-noise ratio.

A variety of different amplifiers are used to detect signals for different purposes. In order to improve accuracy, DC signals are better used, with high input impedance and high common-mode rejection ratio. (CMRE), high gain and other features. The other is the use of isolation amplifiers, generally for small AC or differential signals.

4) Filtering

Another important function of the signal conditioner is filtering, which filters the signal frequency implicitly, retaining only valid data and preventing noise. Filtering can be performed using passive and active components or digital algorithms. Passive filtering uses only capacitors, resistors and inductors, with a large gain of 1, and active family waves use passive components in addition to active components such as operational amplifiers and transistors. Advanced signal conditioners are digitally filtered because they are easy to adjust and do not require hardware. A digital filter is a mathematical filter used to process signals, such as blocking or passing through a specific frequency. The logic components they use include ASics, FPGAs, or a signal processing program.

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