NI PXI-6238高性能數據采集和控制模塊

1.產 品 資 料 介 紹：

中文資料：

NI PXI-6238是National Instruments（NI）推出的一款高性能數據采集和控制模塊，它是PXI總線架構下的一部分。以下是關于NI PXI-6238的產品特點介紹、使用方法以及參數詳情：

產品特點：

1. 多通道：NI PXI-6238具有32個模擬輸入通道和48個數字I/O通道，可以同時采集多個信號源的數據。
2. 高分辨率：該模塊具有16位的模數轉換器（ADC），可以實現高精度的信號采集。
3. 高采樣率：NI PXI-6238支持最高采樣率為1.25 MS/s，可以滿足高速數據采集的需求。
4. 靈活的觸發和同步：該模塊支持多種觸發模式和同步方式，可根據應用需求進行配置。
5. 內置信號調理：模塊內置了信號調理功能，包括可編程增益放大器和數字濾波器，可以實現對信號的實時處理和調整。

使用方法：

1. 硬件連接：將NI PXI-6238插入PXI機箱中的適當插槽，并連接傳感器或信號源到模塊的輸入端口。
2. 驅動程序安裝：安裝NI-DAQmx驅動程序，并確保與該模塊兼容的驅動版本。
3. 軟件編程：使用支持NI硬件的編程環境（如LabVIEW、Python等）編寫程序，配置采樣率、觸發模式和數據處理等參數。
4. 數據采集和控制：根據程序邏輯，啟動數據采集或控制操作，并處理和分析獲得的數據。

參數詳情：

• 模擬輸入通道數：32
• 模擬輸入分辨率：16位
• 模擬輸入采樣率：最高1.25 MS/s
• 數字I/O通道數：48
• 數字I/O電平：TTL/CMOS兼容
• 觸發模式：軟件觸發、數字觸發、模擬觸發等
• 同步方式：硬件同步、軟件同步
• 支持的總線類型：PXI
• 驅動程序：NI-DAQmx

英文資料：

NI PXI-6238 is a high-performance data acquisition and control module launched by National Instruments (NI), which is part of the PXI bus architecture. The following is an introduction to the product features, usage methods, and parameter details of NI PXI-6238:

Product features:

Multi channel: NI PXI-6238 has 32 analog input channels and 48 digital I/O channels, which can simultaneously collect data from multiple signal sources.

High resolution: This module has a 16 bit analog-to-digital converter (ADC), which can achieve high-precision signal acquisition.

High sampling rate: NI PXI-6238 supports a maximum sampling rate of 1.25 MS/s, which can meet the needs of high-speed data collection.

Flexible triggering and synchronization: This module supports multiple triggering modes and synchronization methods, and can be configured according to application requirements.

Built-in signal conditioning: The module has built-in signal conditioning functions, including programmable gain amplifiers and digital filters, which can achieve real-time signal processing and adjustment.

usage method:

Hardware connection: Insert NI PXI-6238 into the appropriate slot in the PXI chassis and connect the sensor or signal source to the input port of the module.

Driver installation: Install the NI-DAQmx driver and ensure a compatible driver version with the module.

Software programming: Use a programming environment that supports NI hardware (such as LabVIEW, Python, etc.) to write programs and configure parameters such as sampling rate, trigger mode, and data processing.

Data collection and control: Initiate data collection or control operations based on program logic, and process and analyze the obtained data.

Parameter details:

Number of analog input channels: 32

Analog input resolution: 16 bits

Analog input sampling rate: up to 1.25 MS/s

Number of digital I/O channels: 48

Digital I/O level: TTL/CMOS compatible

Trigger mode: software trigger, digital trigger, analog trigger, etc

Synchronization method: hardware synchronization, software synchronization

Supported bus types: PXI

Driver: NI-DAQmx

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