描述
产品定位与功能
183962c-02推测为NI推出的高精度信号调理模块,专为工业传感器信号conditioning设计,适用于振动分析、压力测量及多通道同步采集系统。其核心功能可能包括:
信号调理:支持应变片、压电传感器等输入类型的放大与滤波;
隔离保护:通道间电气隔离(防止地环路干扰);
温度补偿:内置传感器温度漂移校正算法。
核心参数与性能(推测)
输入/输出特性
-输入类型:桥式传感器、电压/电流信号(±10 V/4–20 mA);
-增益范围:1×至1000×可编程;
-带宽:DC–10 kHz(-3 dB点)。
精度与稳定性
-分辨率:24位Σ-ΔADC;
-非线性误差:±0.01%FSR;
-温度漂移:±5 ppm/°C(补偿后典型值)。
接口与通信
-连接器:螺纹端子(防松动设计);
-通信协议:RS-485或EtherCAT(工业总线兼容)。
技术特点
抗干扰设计
-共模抑制比(CMRR):≥120 dB(低频段);
-电磁屏蔽:全金属外壳(符合IEC 61000-4-8标准)。
模块化扩展
-菊花链拓扑:支持多模块级联(单总线最多16个节点);
-即插即用:通过DIP开关配置地址(无工具操作)。
环境适应性
-防护等级:IP67(防尘防水);
-振动耐受:3g RMS(5–500 Hz)。
典型应用场景
工业自动化
-压力机多点力值监测(高精度桥式电路解调);
-风力发电机轴承振动分析(宽温运行与抗振动设计)。
实验室测量
-材料试验机应变信号采集(低噪声放大);
-环境试验箱温度/湿度多传感器同步校准。
Product Positioning and Functions
183962c-02 It is speculated that a high-precision signal conditioning module launched by NI,specially designed for industrial sensor signal conditioning,suitable for vibration analysis,pressure measurement and multi-channel synchronous acquisition systems.Its core functions may include:
Signal conditioning:supports amplification and filtering of input types such as strain gauge,piezoelectric sensor,etc.;
Isolation protection:electrical isolation between channels(prevent ground loop interference);
Temperature compensation:built-in sensor temperature drift correction algorithm.
Core parameters and performance(speculation)
Input/Output Characteristics
-Input type:Bridge sensor,voltage/current signal(±10 V/4–20 mA);
-Gain range:1×to 1000×programmable;
-Bandwidth:DC–10 kHz(-3 dB point).
Accuracy and stability
-Resolution:24-bitΣ-ΔADC;
-Nonlinear error:±0.01%FSR;
-Temperature drift:±5 ppm/°C(typical after compensation).
Interface and communication
-Connector:threaded terminal(anti-loosen design);
-Communication protocol:RS-485 or EtherCAT(Industrial Bus Compatible).
Technical Features
Anti-interference design
-Common mode rejection ratio(CMRR):≥120 dB(low frequency band);
-Electromagnetic shielding:All-metal housing(compliant with IEC 61000-4-8 standard).
Modular extension
-Daisy chain topology:supports multi-module cascade(single bus up to 16 nodes);
-Plug and Play:Use DIP switch to configure the address(no tool operation).
Environmental adaptability
-Protection level:IP67(dust-proof and waterproof);
-Vibration tolerance:3g RMS(5–500 Hz).
Typical application scenarios
Industrial automation
-Press multi-point force value monitoring(high-precision bridge circuit demodulation);
-Vibration analysis of bearings of wind turbines(wide temperature operation and anti-vibration design).
Laboratory measurements
-Strain signal acquisition of material tester(low noise amplification);
-Synchronous calibration of temperature/humidity multi-sensors in the environmental test chamber.