描述
产品定位与功能
184411c-01推测为NI推出的桥式传感器信号调理模块,专为高精度应变测量、压力/扭矩传感等工业场景设计。其核心功能包括:
桥路激励与解调:支持1/4桥、半桥、全桥电路配置;
信号线性化:内置多项式补偿算法(消除传感器非线性误差);
电气隔离:通道间及电源隔离(隔离电压≥2500 Vrms)。
核心参数与性能(推测)
输入特性
-桥路类型:兼容箔式应变片、半导体应变片;
-激励电压:5 V/12 V可选(恒流源模式);
-灵敏度调节:0.1–10 mV/V分辨率。
信号处理
-分辨率:24位Σ-ΔADC;
-动态范围:≥100 dB(有效信噪比);
-滤波配置:可编程抗混叠滤波器(截至频率0.1 Hz–1 kHz)。
环境适应性
-温度范围:-40°C至+85°C(工业级温度补偿);
-振动耐受:3g RMS(5–2000 Hz)。
技术特点
智能校准
-自动零点跟踪:实时补偿热漂移与长期漂移;
-多点标定:支持用户自定义标定曲线(非线性修正)。
通信与集成
-接口协议:EtherCAT/TCP-IP(支持工业物联网架构);
-同步触发:兼容PXI/PXIe系统及cDAQ分布式机箱。
安全防护
-过压保护:±50 V(通道对地);
-电磁兼容:符合EN 61326工业抗扰度标准。
Product Positioning and Functions
184411c-01 The bridge sensor signal conditioning module is speculated to be launched by NI,designed for industrial scenarios such as high-precision strain measurement,pressure/torque sensing.Its core functions include:
Bridge excitation and demodulation:supports 1/4 bridge,half bridge,and full bridge circuit configuration;
Signal linearization:built-in polynomial compensation algorithm(eliminating sensor nonlinear error);
Electrical isolation:channel and power supply isolation(isolation voltage≥2500 Vrms).
Core parameters and performance(speculation)
Input Features
-Bridge type:compatible with foil strain gauge and semiconductor strain gauge;
-Excitation voltage:5 V/12 V optional(constant current source mode);
-Sensitivity adjustment:0.1–10 mV/V resolution.
Signal processing
-Resolution:24-bitΣ-ΔADC;
-Dynamic range:≥100 dB(effective signal-to-noise ratio);
-Filter configuration:Programmable anti-aliasing filter(cut to frequency 0.1 Hz–1 kHz).
Environmental adaptability
-Temperature range:-40°C to+85°C(industrial temperature compensation);
-Vibration tolerance:3g RMS(5–2000 Hz).
Technical Features
Intelligent calibration
-Automatic zero-point tracking:compensate for thermal drift and long-term drift in real time;
-Multi-point calibration:Supports user-defined calibration curves(nonlinear correction).
Communication and integration
-Interface protocol:EtherCAT/TCP-IP(supports industrial IoT architecture);
-Synchronous Trigger:Compatible with PXI/PXIe system and cDAQ distributed chassis.
Safety protection
-Overvoltage protection:±50 V(channel to ground);
-Electromagnetic compatibility:complies with EN 61326 industrial immunity standard.