描述
NI PCI-6221产品详情
NI PCI-6221是一款功能强大的多功能I/O设备，广泛应用于测试测量、自动化控制等领域。它集成了模拟输入、模拟输出、数字I/O和定时器/计数器等多种功能，能够满足各种各样的数据采集和控制需求。
主要特点
多通道模拟输入:支持16通道同时采集模拟信号，提高数据采集效率。
高分辨率:提供16位分辨率的模拟输入，保证数据的准确性。
模拟输出:具备2通道模拟输出，可用于控制外部设备。
数字I/O:具备24路数字I/O，可用于控制数字设备或采集数字信号。
定时器/计数器:提供2个32位定时器/计数器，可用于定时、计数、脉冲产生等。
灵活配置:可以根据不同的应用需求灵活配置输入范围、采样率、触发方式等参数。
软件支持:提供丰富的软件支持，如LabVIEW，方便用户进行编程和数据分析。
应用领域
测试测量:电路测试、传感器数据采集、物理实验等。
自动化控制:工业自动化、过程控制等。
数据采集:环境监测、生物医学测量等。
核心功能
模拟信号采集:高精度采集电压、电流等模拟信号。
模拟信号输出:生成模拟电压信号，控制外部设备。
数字I/O控制:控制外部设备，采集数字信号。
定时触发:支持多种触发方式，实现同步采集。
数据记录:将采集到的数据存储到计算机中。
产品优势
高性能:提供高精度、高采样率的采集功能。
功能全面:集成了多种I/O功能，满足多样化的需求。
灵活配置:适应多种应用场景。
易用性:提供直观的软件界面和丰富的示例程序。
可靠性:采用工业级设计，保证长期稳定运行。
技术规格（部分）
模拟输入通道:16通道
模拟输入分辨率:16位
模拟输出通道:2通道
数字I/O:24路
定时器/计数器:2个32位
采样率:最高250 kS/s
NI PCI-6221 Product Details
NI PCI-6221 is a powerful multi-function I/O device,widely used in test measurement,automation control and other fields.It integrates multiple functions such as analog input,analog output,digital I/O and timer/counter,which can meet various data acquisition and control needs.
Main Features
Multi-channel analog input:Supports 16 channels to collect analog signals at the same time to improve data acquisition efficiency.
High resolution:Provides 16-bit resolution analog input to ensure data accuracy.
Analog output:With 2-channel analog output,it can be used to control external devices.
Digital I/O:With 24 digital I/O,it can be used to control digital devices or collect digital signals.
Timer/Counter:Provides 2 32-bit timers/counters,which can be used for timing,counting,pulse generation,etc.
Flexible configuration:Parameters such as input range,sampling rate,trigger mode,etc.can be flexibly configured according to different application requirements.
Software support:Provides rich software support,such as LabVIEW,to facilitate users to program and analyze data.
Application fields
Test and measurement:circuit testing,sensor data acquisition,physical experiments,etc.
Automation control:industrial automation,process control,etc.
Data acquisition:environmental monitoring,biomedical measurement,etc.
Core functions
Analog signal acquisition:high-precision acquisition of analog signals such as voltage and current.
Analog signal output:generate analog voltage signals and control external devices.
Digital I/O control:control external devices and collect digital signals.
Timing trigger:support multiple trigger modes to achieve synchronous acquisition.
Data recording:store the collected data in the computer.
Product advantages
High performance:provide high-precision and high sampling rate acquisition functions.
Comprehensive functions:integrate multiple I/O functions to meet diverse needs.
Flexible configuration:adapt to a variety of application scenarios.
Ease of use:provide intuitive software interface and rich sample programs.
Reliability:adopt industrial-grade design to ensure long-term stable operation.
Technical specifications(partial)
Analog input channels:16 channels
Analog input resolution:16 bits
Analog output channels:2 channels
Digital I/O:24 channels
Timer/Counter:2 32-bit
Sampling rate:up to 250 kS/s
