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NI PXIe-6378數(shù)據(jù)同步采集器是一款功能強(qiáng)大的多功能DAQ（數(shù)據(jù)采集）設(shè)備，它結(jié)合了模擬I/O、數(shù)字I/O、計(jì)數(shù)器以及模擬和數(shù)字觸發(fā)等多種功能于一體。以下是對(duì)該采集器的詳細(xì)介紹：

一、產(chǎn)品概述

品牌與型號(hào)：National Instruments（簡(jiǎn)稱NI），型號(hào)PXIe-6378。

類型：同步采樣多功能I/O模塊。

應(yīng)用場(chǎng)景：適用于IF數(shù)字化、瞬時(shí)記錄、通信行業(yè)的ISDN、ADSL和POTS制造測(cè)試、超聲波和聲納測(cè)試以及高能物理等多種領(lǐng)域。

二、主要特性

模擬輸入：

通道數(shù)量：16通道并行采樣。

分辨率：16位。

采樣率：高達(dá)3.5 MS/s/ch（或3.57 MSa/s/ch，具體取決于不同資料），提供高速數(shù)據(jù)采集能力。

輸入范圍：支持±1V、±2V、±5V、±10V等多種范圍。

帶寬：1MHz，確保信號(hào)采集的完整性和準(zhǔn)確性。

模擬觸發(fā)：支持多種觸發(fā)模式，如開始觸發(fā)、參考觸發(fā)、暫停觸發(fā)等，以及模擬邊沿觸發(fā)和具有遲滯的模擬邊沿觸發(fā)等高級(jí)功能。

模擬輸出：

通道數(shù)量：4通道。

DAC分辨率：16位。

最大更新速率：同步模式下可達(dá)3.33 MSa/s/ch，滿足高速模擬信號(hào)輸出的需求。

數(shù)字I/O：

通道數(shù)量：48通道，提供豐富的數(shù)字信號(hào)處理能力。

方向控制：各端子可通過(guò)編程獨(dú)立配置為輸入或輸出，靈活應(yīng)對(duì)不同應(yīng)用場(chǎng)景。

輸入電壓保護(hù)：±20V，確保設(shè)備在惡劣環(huán)境下的穩(wěn)定運(yùn)行。

計(jì)數(shù)器/定時(shí)器：

數(shù)量：4個(gè)32位計(jì)數(shù)器/定時(shí)器。

功能：支持邊沿計(jì)數(shù)、脈沖、脈沖寬度、半周期、周期、雙邊沿間隔等多種測(cè)量模式，以及位置測(cè)量功能（如X1、X2、X4正交編碼）。

頻率發(fā)生器：

通道數(shù)：1通道。

基準(zhǔn)時(shí)鐘：支持20MHz、10MHz、100kHz等多種頻率。

分頻數(shù)：1～16，提供靈活的頻率輸出選項(xiàng)。

定時(shí)與同步：

板載NI-STC3定時(shí)和同步技術(shù)，提供高級(jí)定時(shí)功能，包括獨(dú)立的模擬和數(shù)字定時(shí)引擎以及可重新觸發(fā)的測(cè)量任務(wù)。

軟件支持：

隨附NI-DAQmx驅(qū)動(dòng)程序和配置實(shí)用程序，簡(jiǎn)化配置和測(cè)量過(guò)程。

三、系統(tǒng)要求與兼容性

操作系統(tǒng)：支持Windows XP、Windows 7以及Linux等多種操作系統(tǒng)。

驅(qū)動(dòng)支持：提供基于VISA的PNP驅(qū)動(dòng)程序，確保與各種軟件平臺(tái)的兼容性。

四、物理規(guī)格

外形尺寸：3U單寬（4HP），適合PXI機(jī)箱安裝。

重量：約2.3kg（具體重量可能因產(chǎn)品批次和配置略有差異）

The NI PXIe-6378 Data Synchronization Collector is a powerful multifunctional DAQ (Data Acquisition) device that combines various functions such as analog I/O, digital I/O, counters, and analog and digital triggers. The following is a detailed introduction to the collector:

1、 Product Overview

Brand and Model: National Instruments (NI), Model PXIe-6378.

Type: Synchronous Sampling Multifunctional I/O Module.

Application scenarios: Suitable for various fields such as IF digitization, instantaneous recording, manufacturing and testing of ISDN, ADSL, and POTS in the communication industry, ultrasonic and sonar testing, and high-energy physics.

2、 Main characteristics

Analog input:

Number of channels: 16 parallel sampling channels.

Resolution: 16 bits.

Sampling rate: up to 3.5 MS/s/ch (or 3.57 MS a/s/ch, depending on different data), providing high-speed data acquisition capability.

Input range: Supports multiple ranges such as ± 1V, ± 2V, ± 5V, ± 10V, etc.

Bandwidth: 1MHz, ensuring the integrity and accuracy of signal acquisition.

Simulated triggering: Supports multiple triggering modes, such as start triggering, reference triggering, pause triggering, as well as advanced functions such as simulated edge triggering and simulated edge triggering with hysteresis.

Analog output:

Number of channels: 4 channels.

DAC resolution: 16 bits.

Maximum update rate: up to 3.33 MSa/s/ch in synchronous mode, meeting the requirements for high-speed analog signal output.

Digital I/O:

Number of channels: 48 channels, providing rich digital signal processing capabilities.

Direction control: Each terminal can be independently configured as an input or output through programming, flexibly responding to different application scenarios.

Input voltage protection: ± 20V, ensuring stable operation of the equipment in harsh environments.

Counter/Timer:

Quantity: 4 32-bit counters/timers.

Function: Supports multiple measurement modes such as edge counting, pulse, pulse width, half cycle, period, bilateral edge interval, as well as position measurement function (such as X1, X2, X4 orthogonal encoding).

Frequency generator:

Number of channels: 1 channel.

Reference clock: Supports multiple frequencies such as 20MHz, 10MHz, 100kHz, etc.

Frequency division: 1-16, providing flexible frequency output options.

Timing and synchronization:

The onboard NI-STC3 timing and synchronization technology provides advanced timing functions, including independent analog and digital timing engines as well as measurement tasks that can be triggered again.

Software support:

Comes with NI DAQmx driver and configuration utility to simplify the configuration and measurement process.

3、 System requirements and compatibility

Operating System: Supports multiple operating systems such as Windows XP, Windows 7, and Linux.

Driver support: Provides VISA based PNP drivers to ensure compatibility with various software platforms.

4、 Physical specifications

Dimensions: 3U single width (4HP), suitable for PXI chassis installation.

Weight: Approximately 2.3kg (specific weight may vary slightly depending on product batch and configuration)

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