描述
核心参数推测
模拟输入(AI)
-通道配置:8差分或16单端通道(典型M系列配置);
-分辨率与采样率:16位或24位分辨率,单通道采样率可能达100 kS/s–1 MS/s(依型号定位调整);
-输入范围:±0.1 V至±10 V可编程增益调节。
模拟输出(AO)
-通道配置:2–4路16位/24位分辨率输出;
-更新速率:最高1 MS/s(适用于波形生成场景)。
数字I/O与计数器
-数字I/O:16–32路双向DIO,支持PWM与编码器信号解码;
-计数器:2–4个32位计数器(支持频率测量、脉冲生成等功能)。
触发与同步
-触发模式:硬件触发、软件触发及外部时钟同步;
-多设备同步:通过PXI星触发或PCI总线实现多卡协同(若支持PXI扩展)。
技术特点
高精度测量:
-可能集成NI-mCAL自动校准技术(提升测量精度达5倍);
-共模抑制比(CMRR)>90 dB(抑制噪声干扰)。
兼容性:
-支持Windows、Linux操作系统及LabVIEW、LabWindows/CVI开发环境;
-兼容传统PCI总线(需确认主板兼容性)。
环境适应性:
-工业级温度范围(0°C–55°C);
-耐受振动与电磁干扰(符合IEC 61326标准)。
典型应用场景
工业控制
-PLC联动控制(通过DIO实现设备启停与状态监测);
-闭环反馈系统(AO生成控制信号,AI采集传感器反馈)。
测试与测量
-电力质量分析(高采样率捕获瞬态电压波动);
-振动测试(多通道同步采集加速度信号)。
Core parameter estimation
Analog input(AI)
-Channel configuration:8 differential or 16 single-ended channels(typical M-series configuration);
-Resolution and sampling rate:16-bit or 24-bit resolution,single-channel sampling rate may reach 100 kS/s–1 MS/s(adjusted according to model positioning);
-Input range:±0.1 V to±10 V programmable gain adjustment.
Analog output(AO)
-Channel configuration:2–4 channels 16-bit/24-bit resolution output;
-Update rate:up to 1 MS/s(suitable for waveform generation scenarios).
Digital I/O and Counter
-Digital I/O:16-32-channel bidirectional DIO,supporting PWM and encoder signal decoding;
-Counters:2–4 32-bit counters(supports functions such as frequency measurement,pulse generation,etc.).
Trigger and synchronization
-Trigger mode:hardware trigger,software trigger and external clock synchronization;
-Multi-device synchronization:Multi-card collaboration is achieved through PXI star trigger or PCI bus(if PXI expansion is supported).
Technical Features
High-precision measurement:
-It is possible to integrate NI-mCAL automatic calibration technology(improve measurement accuracy up to 5 times);
-Common mode rejection ratio(CMRR)>90 dB(noise interference suppression).
compatibility:
-Supports Windows,Linux operating systems,LabVIEW,LabWindows/CVI development environments;
-Compatible with traditional PCI bus(must confirm motherboard compatibility).
Environmental adaptability:
-Industrial grade temperature range(0°C–55°C);
-Resistant to vibration and electromagnetic interference(compliant with IEC 61326 standard).
Typical application scenarios
Industrial Control
-PLC linkage control(realizes device start-stop and status monitoring through DIO);
-Closed-loop feedback system(AO generates control signals,AI acquires sensor feedback).
Testing and Measurement
-Power quality analysis(capture transient voltage fluctuations with high sampling rate);
-Vibration test(multi-channel synchronous acquisition of acceleration signals).