DSAI146 | 模拟输入单元 | CI853-1  |  CI867  3BSE043660R1

型号：DSAI146

目录说明：目录说明：模拟输入单元

货期：3-5天/周

质保：365天

技术信息：

从 DSAI 145 57120001-HA

升级/交换到 DSAI 146 3BSE007949R1

注意！已更换的带有 RMA 的部件将根据 T&C 退回

，否则将需要额外收费。

产品净重：392 克

模拟输入单元在工业控制系统中扮演着重要的角色，其主要功能是将各种类型的模拟量信号（如电压、电流、温度等）转换为数字信号，以便于控制系统进行处理和分析。以下是模拟输入单元的工作原理及相关特点的分点介绍：

工作原理

信号变换：DSAI146模拟输入单元接收到的模拟量信号首先会进行信号变换，以使其符合输入模块的输入范围。例如，如果输入信号是0-10V的电压信号，但输入模块要求的是4-20mA的电流信号，则输入单元会进行相应的转换。

信号放大：DSAI146信号放大是为了增加信号的幅度，提高信号的灵敏度。这通常通过放大器电路实现，将输入信号放大至适合AD转换器处理的范围。

信号转换：经过放大的模拟信号会进行模数（AD）转换，将连续的模拟信号转换为离散的数字信号。这个过程是通过采样和量化来实现的。

特点

输入类型多样：DSAI146模拟输入单元可以接收多种类型的模拟量信号，如电压、电流、温度等。

DSAI146 | Analog input unit | CI853-1 | CI867 3BSE043660R1

Model: DSAI146

Directory description: Directory description: simulates the input unit

Delivery time: 3-5 days/week

Warranty: 365 days

Technical Information:

From DSAI 145 57120001-HA

Upgrade/switch to DSAI 146 3BSE007949R1

Attention! Replacement parts with RMA will be returned according to T&C

Otherwise there will be an additional charge.

Net weight: 392g

The analog input unit plays an important role in the industrial control system, its main function is to convert various types of analog signals (such as voltage, current, temperature, etc.) into digital signals, so as to facilitate the control system to process and analyze. The following is a breakdown of the working principle and related features of the analog input unit:

Working principle

Signal transformation: The analog signal received by the DSAI146 analog input unit is first transformed to make it conform to the input range of the input module. For example, if the input signal is a voltage signal of 0-10V, but the input module requires a current signal of 4-20mA, the input unit will convert accordingly.

Signal amplification: DSAI146 signal amplification is to increase the amplitude of the signal and improve the sensitivity of the signal. This is usually achieved through an amplifier circuit that amplifies the input signal to a range suitable for processing by the AD converter.

Signal conversion: The amplified analog signal is converted analog-to-digital (AD), converting a continuous analog signal into a discrete digital signal. This process is achieved by sampling and quantification.

peculiarity

Diverse input types: The DSAI146 analog input unit can receive a variety of analog signals, such as voltage, current, temperature, etc.