描述
一、产品定位与核心优势
1.品牌与产品线归属
HP（惠普）/Keysight Technologies：
E1406A01是HP/Keysight（现是德科技）旗下数据采集与信号调理模块系列中的一款高精度多通道模拟输入模块，主要用于工业自动化测试、实验室信号监测、嵌入式系统开发等场景。
核心优势：
高精度多通道采集：支持16路单端或8路差分模拟输入，分辨率16位，采样率100 kS/s（每通道）。
灵活的信号调理：集成可编程增益（1x/10x/100x）和抗混叠滤波器，适配±0.1 V至±10 V的宽范围输入信号。
同步触发与定时：支持外部触发输入/输出和软件定时触发，实现多模块同步采集。
工业级设计：通过-40℃~85℃工作温度和抗振动/冲击认证，适用于车载、户外或恶劣工业环境。
2.典型应用场景
工业自动化测试：
传感器信号采集：如温度、压力、振动、应变等模拟信号的实时监测与记录。
设备状态监测：对电机、泵、压缩机的运行参数（如电流、电压、扭矩）进行长期跟踪分析。
实验室信号分析：
电子电路测试：捕获瞬态信号、谐波、噪声，用于电路设计验证与故障诊断。
材料力学试验：连接应变片、力传感器，记录材料拉伸、压缩过程中的应力-应变曲线。
嵌入式系统开发：
数据记录与回放：通过SD卡或USB接口存储采集数据，支持离线分析或后续仿真验证。
实时控制反馈：将采集的模拟信号传输至PLC、DSP或FPGA，实现闭环控制。
二、技术参数详解
1.基础规格
参数类别规格详情
型号HP E1406A01（现属Keysight E1406A系列）
系列Keysight E1400系列（高精度数据采集模块）
安装方式PCI/PXI总线插槽（需配合PXI机箱或PCI扩展卡使用）
输入通道16路单端或8路差分（通过跳线或软件配置）
分辨率16位（ADC）
采样率100 kS/s（每通道，最大）
多通道同步采样时，总采样率=通道数×100 kS/s
触发方式软件触发（通过程序指令）
硬件触发（外部TTL电平信号，上升沿/下降沿可选）
2.电气参数
参数类别规格详情
输入电压范围±0.1 V、±0.5 V、±1 V、±2.5 V、±5 V、±10 V（通过软件或跳线选择）
增益精度±0.05%（满量程）
输入阻抗>1 GΩ（单端）
>2 GΩ（差分）
共模抑制比（CMRR）≥80 dB（50 Hz）
抗混叠滤波内置4阶低通滤波器，截止频率20 kHz（可软件禁用）
输出接口PCI/PXI总线（数据传输）
外部触发I/O（BNC接口）
3.环境与可靠性
参数类别规格详情
工作温度-40℃~85℃（工业级）
存储温度-55℃~125℃
湿度5~95%RH（无凝露）
振动抗性5~500 Hz，5 g（随机振动，IEC 60068-2-64）
冲击抗性50 g，11 ms（半正弦波，IEC 60068-2-27）
MTBF>200,000小时（25℃恒定负载，Telcordia SR-332标准）
认证标准CE、FCC Part 15、RoHS、IEC 61010-1
三、功能特性解析
1.高精度信号采集与调理
多通道同步采样：
所有通道同时触发、同时采样，避免相位差对动态信号（如振动、音频）分析的影响。
可编程增益控制：
根据输入信号幅值自动调整增益（如小信号用10x增益，大信号用1x增益），优化ADC量化精度。
抗混叠滤波：
自动滤除高于奈奎斯特频率（50 kHz）的高频噪声，防止采样混叠导致的信号失真。
2.灵活的触发与定时控制
外部触发同步：
通过BNC接口连接外部信号源（如编码器、传感器），实现与旋转机械、运动控制系统的同步采集。
软件定时触发：
通过LabVIEW、C/C++、Python等程序设置定时采样间隔，适用于周期性数据记录。
触发延迟与保持：
支持触发后延迟采样或预触发采样，捕获事件发生前后的完整信号波形。
1.Product positioning and core advantages
1.Brand and product line ownership
HP(Hewlett-Packard)/Keysight Technologies:
E1406A01 is a high-precision multi-channel analog input module in the data acquisition and signal conditioning module series of HP/Keysight(now Keysight Technologies),mainly used in industrial automation testing,laboratory signal monitoring,embedded system development and other scenarios.
Core advantages:
High-precision multi-channel acquisition:supports 16 single-ended or 8 differential analog inputs,16-bit resolution,and 100 kS/s sampling rate(per channel).
Flexible signal conditioning:integrated programmable gain(1x/10x/100x)and anti-aliasing filter,suitable for wide range input signals from±0.1 V to±10 V.
Synchronous triggering and timing:supports external trigger input/output and software timing triggering to achieve multi-module synchronous acquisition.
Industrial-grade design:-40℃~85℃operating temperature and vibration/shock resistance certification,suitable for vehicle-mounted,outdoor or harsh industrial environments.
2.Typical application scenarios
Industrial automation testing:
Sensor signal acquisition:Real-time monitoring and recording of analog signals such as temperature,pressure,vibration,strain,etc.
Equipment status monitoring:Long-term tracking and analysis of operating parameters(such as current,voltage,torque)of motors,pumps,and compressors.
Laboratory signal analysis:
Electronic circuit testing:Capture transient signals,harmonics,and noise for circuit design verification and fault diagnosis.
Material mechanics testing:Connect strain gauges and force sensors to record stress-strain curves during material stretching and compression.
Embedded system development:
Data recording and playback:Store collected data through SD card or USB interface,support offline analysis or subsequent simulation verification.
Real-time control feedback:Transmit the collected analog signals to PLC,DSP or FPGA to achieve closed-loop control.
2.Detailed explanation of technical parameters
1.Basic specifications
Parameter category Specification details
Model HP E1406A01(now part of Keysight E1406A series)
Series Keysight E1400 series(high-precision data acquisition module)
Installation method PCI/PXI bus slot(need to be used with PXI chassis or PCI expansion card)
Input channels 16 single-ended or 8 differential(configured by jumpers or software)
Resolution 16 bits(ADC)
Sampling rate 100 kS/s(per channel,maximum)
When multi-channel synchronous sampling,the total sampling rate=number of channels×100 kS/s
Trigger mode Software trigger(by program instructions)
Hardware trigger(external TTL level signal,rising edge/falling edge selectable)
2.Electrical parameters
Parameter category Specification details
Input voltage range±0.1 V,±0.5 V,±1 V,±2.5 V,±5 V,±10 V(selected by software or jumpers)
Gain accuracy±0.05%(full scale)
Input impedance>1 GΩ(single-ended)
>2 GΩ(differential)
Common mode rejection ratio(CMRR)≥80 dB(50 Hz)
Anti-aliasing filter Built-in 4th-order low-pass filter,cutoff frequency 20 kHz(software disabled)
Output interface PCI/PXI bus(data transmission)
External trigger I/O(BNC interface)
3.Environment and reliability
Parameter category Specification details
Operating temperature-40℃~85℃(industrial grade)
Storage temperature-55℃~125℃
Humidity 5~95%RH(non-condensing)
Vibration resistance 5~500 Hz,5 g(random vibration,IEC 60068-2-64)
Shock resistance 50 g,11 ms(half-sine wave,IEC 60068-2-27)
MTBF>200,000 hours(25℃constant load,Telcordia SR-332 standard)
Certification standards CE,FCC Part 15,RoHS,IEC 61010-1
III.Functional characteristics analysis
1.High-precision signal acquisition and conditioning
Multi-channel synchronous sampling:
All channels are triggered and sampled simultaneously to avoid the influence of phase difference on dynamic signal(such as vibration,audio)analysis.
Programmable gain control:
Automatically adjust the gain according to the input signal amplitude(such as 10x gain for small signals and 1x gain for large signals)to optimize the ADC quantization accuracy.
Anti-aliasing filtering:
Automatically filter out high-frequency noise above the Nyquist frequency(50 kHz)to prevent signal distortion caused by sampling aliasing.
2.Flexible triggering and timing control
External trigger synchronization:
Connect external signal sources(such as encoders and sensors)through the BNC interface to achieve synchronous acquisition with rotating machinery and motion control systems.
Software timing trigger:
Set the timing sampling interval through programs such as LabVIEW,C/C++,Python,etc.,suitable for periodic data recording.
Trigger delay and hold:Supports post-trigger delayed sampling or pre-trigger sampling to capture the complete signal waveform before and after the event occurs.
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