CMPC-CM33D Yaskawa 模拟量输入模 模数转换器

CMPC-CM33D

模拟量输入模块介绍：

模拟 输入高电平和低电平模拟输入（HLAI + LLAI-8）处理器 执行信号转换和调理功能： • 光伏源 （自动、手动、替代）

• 光伏钳位

• 欧盟转换

• 光伏变化率 +/-

• 软件校准

• 低PV截止率

这 低电平多路复用器 （LLMUX） 处理器提供了一种经济的方法 引入大量数据采集信号。每个处理器都可以 处理 32 点，使用两个 16 点 FTA。每个点扫描一次 每秒，处理的扫描延迟为 1 秒。打开 每 30 秒对所有点进行一次热电偶检测。 本地或远程冷端参考选项包括 可用。

模拟量输入模块（Analog Input Module）是一种用于测量连续的模拟量（如电压、电流等）并将其转换为数字量的设备。它通常由一个模拟量输入通道和一个或多个数字接口组成。

模拟量输入模块可以接收来自传感器或测量设备的模拟信号，并将其转换为数字数据，以便计算机或控制器进行处理和控制。它通常具有以下功能：

接收模拟信号：模拟量输入模块可以接收来自传感器或测量设备的模拟信号，如电压、电流等。

信号调理：CMPC-CM33D模拟量输入模块通常具有信号调理功能，例如滤波、放大、衰减等，以确保信号在适当的范围内并且能够被正确地转换。

转换：CMPC-CM33D模拟量输入模块将接收到的模拟信号转换为数字数据。这个转换过程通常由一个ADC（模数转换器）完成。

输出：CMPC-CM33D模拟量输入模块可以将转换后的数字数据输出到计算机或控制器中，以便进行处理和控制。

模拟量输入模块的应用非常广泛，例如在工业自动化、电力、能源管理、医疗设备等领域都有广泛的应用。

模拟量采集模块的工作原理是将模拟量信号（如电压、电流等）经过采样和量化，转换为数字信号，再经过数字信号处理器进行处理和分析，得到所需的结果。

具体过程：

CMPC-CM33D采集模拟量模块利用模数转换器（ADC）将连续变化的模拟量信号转换为离散的数字信号。模数转换器按照一定的采样频率对模拟信号进行采样，并将采样值转换为数字形式。

常见的模数转换器有逐次逼近型（SAR）和ΔΣ型（Delta Sigma）两种。逐次逼近型模数转换器通过逐步逼近的方式将模拟信号与参考电压进行比较，直到达到所需的精度。ΔΣ型模数转换器则通过对模拟信号进行高速取样和过采样，再经过滤波和数字处理，得到高精度的数字信号输出2。

CMPC-CM33D Yaskawa 模拟量输入模 模数转换器

Cmmpc-cm33d analog input module Introduction:

Analog inputs High and low level analog inputs (HLAI + LLAI-8) Processors perform signal conversion and conditioning functions: • Photovoltaic sources (automatic, manual, alternative)

• Photovoltaic clamp

• EU transition

• Photovoltaic change rate +/-

• Software calibration

• Low PV cut-off rate

This low level multiplexer (LLMUX) processor provides an economical way to introduce large data acquisition signals. Each processor can handle 32 points, using two 16-point FTAs. Each point is scanned once per second, and the scanning delay for processing is 1 second. Turn on thermocouple detection every 30 seconds at all points. Local or remote cold end reference options include available.

An Analog Input Module is a device that measures a continuous analog quantity (such as voltage, current, etc.) and converts it to a digital quantity. It usually consists of an analog input channel and one or more digital interfaces.

The analog input module can receive analog signals from sensors or measuring devices and convert them into digital data for processing and control by a computer or controller. It usually has the following functions:

Receiving analog signals: The analog input module can receive analog signals from sensors or measuring devices, such as voltage, current, etc.

Signal conditioning: CMMPC-CM33D analog input modules usually have signal conditioning functions, such as filtering, amplification, attenuation, etc., to ensure that the signal is in the appropriate range and can be correctly converted.

Conversion: The CMMPC-CM33D analog input module converts the received analog signal into digital data. This conversion process is usually done by an ADC (analog-to-digital converter).

Output: The MPC-CM33D analog input module can output the converted digital data to a computer or controller for processing and control.

Analog input modules are widely used, such as in industrial automation, power, energy management, medical equipment and other fields.

The working principle of the analog acquisition module is to sample and quantify the analog signal (such as voltage, current, etc.), convert it into a digital signal, and then process and analyze it through the digital signal processor to get the required result.

Specific process:

The CMMPC-CM33D acquisition analog module utilizes an analog-to-digital converter (ADC) to convert continuously varying analog signals into discrete digital signals. The analog-to-digital converter samples the analog signal at a certain sampling frequency and converts the sampled value to digital form.

Common analog-to-digital converters are successive approximation (SAR) and Delta Sigma (Delta Sigma). Successive approximation analog-to-digital converters compare the analog signal with the reference voltage in a step-by-step approach until the desired accuracy is achieved. The Delta-Sigma analog-to-digital converter obtains a high-precision digital signal output by sampling and oversamping the analog signal at high speed, and then filtering and digital processing.