NI PXIe-6378数据同步采集器是一款功能强大的多功能DAQ（数据采集）设备，它结合了模拟I/O、数字I/O、计数器以及模拟和数字触发等多种功能于一体。以下是对该采集器的详细介绍：

一、产品概述

品牌与型号：National Instruments（简称NI），型号PXIe-6378。

类型：同步采样多功能I/O模块。

应用场景：适用于IF数字化、瞬时记录、通信行业的ISDN、ADSL和POTS制造测试、超声波和声纳测试以及高能物理等多种领域。

二、主要特性

模拟输入：

通道数量：16通道并行采样。

分辨率：16位。

采样率：高达3.5 MS/s/ch（或3.57 MSa/s/ch，具体取决于不同资料），提供高速数据采集能力。

输入范围：支持±1V、±2V、±5V、±10V等多种范围。

带宽：1MHz，确保信号采集的完整性和准确性。

模拟触发：支持多种触发模式，如开始触发、参考触发、暂停触发等，以及模拟边沿触发和具有迟滞的模拟边沿触发等高级功能。

模拟输出：

通道数量：4通道。

DAC分辨率：16位。

最大更新速率：同步模式下可达3.33 MSa/s/ch，满足高速模拟信号输出的需求。

数字I/O：

通道数量：48通道，提供丰富的数字信号处理能力。

方向控制：各端子可通过编程独立配置为输入或输出，灵活应对不同应用场景。

输入电压保护：±20V，确保设备在恶劣环境下的稳定运行。

计数器/定时器：

数量：4个32位计数器/定时器。

功能：支持边沿计数、脉冲、脉冲宽度、半周期、周期、双边沿间隔等多种测量模式，以及位置测量功能（如X1、X2、X4正交编码）。

频率发生器：

通道数：1通道。

基准时钟：支持20MHz、10MHz、100kHz等多种频率。

分频数：1～16，提供灵活的频率输出选项。

定时与同步：

板载NI-STC3定时和同步技术，提供高级定时功能，包括独立的模拟和数字定时引擎以及可重新触发的测量任务。

软件支持：

随附NI-DAQmx驱动程序和配置实用程序，简化配置和测量过程。

三、系统要求与兼容性

操作系统：支持Windows XP、Windows 7以及Linux等多种操作系统。

驱动支持：提供基于VISA的PNP驱动程序，确保与各种软件平台的兼容性。

四、物理规格

外形尺寸：3U单宽（4HP），适合PXI机箱安装。

重量：约2.3kg（具体重量可能因产品批次和配置略有差异）

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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