描述
产品概述
NI cDAQ-9171是美国国家仪器（NI）推出的CompactDAQ系列单槽机箱，专为紧凑型、高性价比的数据采集系统设计。其采用模块化架构，支持多种传感器接入，适用于工业测量、科研实验及嵌入式数据采集场景，尤其适合空间受限或成本敏感的应用。
核心参数与功能
硬件规格
-机箱类型：单槽CompactDAQ机箱；
-接口总线：USB 2.0（兼容即插即用）；
-供电方式：通过USB总线供电（无需外接电源）；
-尺寸与重量：紧凑型设计（约100×80×30 mm，重量<500 g）。
信号采集能力
-模块兼容性：支持NI C系列模块（如NI-9237应变模块、NI-9215动态信号模块）；
-典型配置：
-搭配NI-9237时，实现双通道应变/桥式传感器测量（24位分辨率，50 kS/s/ch）；
-支持模拟输入/输出、数字I/O及计数器功能。
环境适应性
-工作温度：-40°C至70°C（工业级宽温设计）；
-抗干扰性：耐受50 g冲击，适用于恶劣工业环境。
技术特点
即插即用：
-通过USB连接直接供电与通信，简化系统部署；
-支持热插拔模块（无需关机更换传感器模块）。
软件生态：
-兼容LabVIEW、FlexLogger及NI-DAQmx驱动；
-提供预置测量模板与范例代码（加速开发流程）。
扩展灵活性：
-单槽设计可扩展至多槽机箱（如cDAQ-9174、cDAQ-9189）；
-支持RJ50传感器连接器（简化应变片、压力传感器接线）。
典型应用场景
工业测量
-机械应变分析（搭配应变片与NI-9237模块）；
-生产线质量检测（快速部署多传感器监测）。
科研实验
-结构健康监测（长期稳定采集振动信号）；
-实验室环境参数记录（温湿度、压力多通道同步）。
嵌入式系统
-车载测试（耐受震动与宽温运行）；
-医疗设备信号前置采集（低功耗设计）。
Product Overview
NI cDAQ-9171 is a CompactDAQ series single-slot chassis launched by National Instruments(NI),designed for compact,cost-effective data acquisition systems.It adopts a modular architecture and supports multiple sensor access.It is suitable for industrial measurement,scientific research and experiments and embedded data acquisition scenarios,especially suitable for space-constrained or cost-sensitive applications.
Core parameters and functions
Hardware specifications
-Chassis type:Single slot CompactDAQ chassis;
-Interface bus:USB 2.0(compatible with plug and play);
-Power supply method:Power supply through USB bus(no external power supply required);
-Dimensions and Weight:Compact Design(approximately 100×80×30 mm,weight<500 g).
Signal acquisition capability
-Module compatibility:Supports NI C series modules(such as NI-9237 strain module,NI-9215 dynamic signal module);
-Typical configuration:
-When paired with NI-9237,dual-channel strain/bridge sensor measurement(24-bit resolution,50 kS/s/ch);
-Supports analog input/output,digital I/O and counter functions.
Environmental adaptability
-Operating temperature:-40°C to 70°C(industrial-grade wide temperature design);
-Anti-interference:resistant to 50 g impact,suitable for harsh industrial environments.
Technical Features
Plug and play:
-Direct power supply and communication through USB connection,simplifying system deployment;
-Support hot-swap modules(no need to shut down and replace sensor modules).
Software Ecology:
-Compatible with LabVIEW,FlexLogger and NI-DAQmx drivers;
-Provide preset measurement templates and sample codes(accelerate development process).
Extended flexibility:
-Single-slot design can be expanded to multi-slot chassis(such as cDAQ-9174,cDAQ-9189);
-Supports RJ50 sensor connector(simplifies strain gauge and pressure sensor wiring).
Typical application scenarios
Industrial Measurement
-Mechanical strain analysis(with strain gauge and NI-9237 module);
-Production line quality inspection(rapid deployment of multi-sensor monitoring).
Scientific research experiments
-Structural health monitoring(long-term and stable vibration signal acquisition);
-Laboratory environmental parameter recording(temperature and humidity,pressure multi-channel synchronization).
Embedded system
-Car testing(vibration resistance and wide temperature operation);
-Pre-retrieval of signal for medical equipment(low power consumption design).
