描述
产品定位与功能
NI PCI-1405推测为多功能PCI总线数据采集卡，可能集成模拟输入（AI）、模拟输出（AO）及数字I/O（DIO）功能，适用于中低端工业自动化、实验室测量及教育科研场景。其设计目标为平衡成本与性能，提供基础信号采集与生成能力。
核心参数推测
模拟输入（AI）
-通道数：8通道单端或4通道差分输入；
-分辨率与采样率：12位分辨率，最大采样率100 kS/s（单通道）；
-输入范围：±5 V至±10 V可选，支持软件增益调节。
模拟输出（AO）
-通道数：2路独立输出；
-分辨率与更新率：12位，最高10 kS/s。
数字I/O（DIO）
-通道数：16位双向端口（可配置为输入/输出）；
-电平兼容性：5 V TTL/CMOS逻辑。
触发与同步
-触发模式：支持硬件触发、定时触发；
-多设备扩展：通过PCI总线实现基础同步（非PXI星触发）。
技术特点
集成化设计
-单卡整合AI、AO、DIO三种功能，简化中小规模系统搭建；
-内置12位ADC与DAC，支持同时采集与生成信号。
软件兼容性
-支持NI-DAQmx基础驱动及LabVIEW、LabWindows/CVI开发环境；
-提供示波器/信号发生器虚拟面板（适用于教学演示）。
经济性优化
-无复杂同步接口（如PXI），适合非严苛同步需求场景；
-低功耗设计（典型<10 W），适配常规PCI机箱。
Product Positioning and Functions
NI PCI-1405 is supposed to be a multi-function PCI bus data acquisition card,which may integrate analog input(AI),analog output(AO)and digital I/O(DIO)functions,and is suitable for mid-and low-end industrial automation,laboratory measurement and educational research scenarios.Its design goal is to balance cost and performance and provide basic signal acquisition and generation capabilities.
Core parameter estimation
Analog input(AI)
-Number of channels:8 channels single-ended or 4 channels differential input;
-Resolution and sampling rate:12-bit resolution,maximum sampling rate of 100 kS/s(single channel);
-Input range:±5 V to±10 V optional,software gain adjustment is supported.
Analog output(AO)
-Number of channels:2 independent outputs;
-Resolution and update rate:12 bits,up to 10 kS/s.
Digital I/O(DIO)
-Number of channels:16-bit bidirectional port(configurable as input/output);
-Level compatibility:5 V TTL/CMOS logic.
Trigger and synchronization
-Trigger mode:supports hardware triggering and timing triggering;
-Multi-device extension:Basic synchronization(non-PXI star trigger)is achieved through PCI bus.
Technical Features
Integrated design
-Single card integrates three functions:AI,AO,and DIO,and simplifies the construction of small and medium-sized systems;
-Built-in 12-bit ADC and DAC,supporting simultaneously collecting and generating signals.
Software Compatibility
-Supports NI-DAQmx basic driver and LabVIEW and LabWindows/CVI development environments;
-Provides an oscilloscope/signal generator virtual panel(for teaching demonstrations).
Economic optimization
-No complex synchronization interface(such as PXI),suitable for non-strict synchronization requirements scenarios;
-Low power design(typical<10 W),suitable for conventional PCI chassis.
