1、TI TIDA01471 PLC 模拟输入 IEPE 震动传感器接口参考设计时间:2018-01-26 10:35:28 作者:TI 来源:中电网TI 公司的 TIDA01471 是 PLC 模拟输入综合压电(IEPE)震动传感器接口参考设计,具有单路 IEPE 传感器模拟输入,24 位转换效率,20kHz 信号带宽,可编数据速率 265 kSPS 到 32 kSPS,可调增益-12dB 到 18dB,可编程激励电流 2-20mA,10-V AC 输入,250-k 输入阻抗,工作温度40 - 85,主要用在 PLC,DCS 模拟和混合输入模块,模拟信号调理/发送器, 震动开关,数据采集和测量系
2、统.本文介绍了参考设计 TIDA-01471 主要特性和指标,框图和测试建立图,电路图,材料清单和 PCB 设计图.Industrial vibration sensing is a crucial process incondition monitoring, which is necessary for predictivemaintenance. An integrated electronic piezoelectric(IEPE) sensor is the most common vibration sensorused in the industrial environment.
3、 The TIDA-01471design is a full analog front end for the IEPE sensorinterface and demonstrates how to achieve flexiblehigh-resolution, high-speed conversion with low-powerand small-footprint implementation.IEPE vibration sensor interface circuits are high-resolution, high-speed-specialized sensor in
4、terfacecircuits used in a range of industrial control products, including high-end measurement and dataacquisition (DAQ) systems, vibration switches, conditioners, and transmitters, as well as dedicated analoginput modules for programmable logic controllers (PLCs). The IEPE vibration sensor interfac
5、e is anessential part of the condition monitoring platforms offered by top PLC and distributed control systems(DCSs) manufacturers. The range of existing IEPE sensor interface products extend from single channelto 12 or more channels for high-end systems. The bandwidth ranges from 1 kHZ up to 100 kH
6、z with20 kHz as the most common bandwidth setting. The sampling frequency ranges from 25 kSPS up to100 kSPS, with a resolution of 16 bits to 24 bits.参考设计 TIDA-01471 主要特性 : Single-Channel IEPE Sensor Analog Input 24-Bit Conversion Resolution 20-kHz Signal Bandwidth Programmable Data Rate: 265 kSPS to
7、 32 kSPS Adjustable Gain: 12 dB to 18 dB Programmable Excitation Current: 2 mA to 20 mA 10-V AC Input, 250-k Input Impedance 40 to 85 Operating Temperature Range Diagnostics: Wire-Break, Short-Circuit Detection,and Short-Circuit Protection参考设计 TIDA-01471 应用 : PLC, DCS Analog, and Mixed Input Module
8、Analog Signal Conditioner/Transmitter Vibration Switch Data Acquisition and Measurement Systems图 1.参考设计 TIDA-01471 外形图参考设计 TIDA-01471 主要指标:图 2.参考设计 TIDA-01471 框图图 3.参考设计 TIDA-01471 测试建立图图 4.参考设计 TIDA-01471 电路图(1)图 5.参考设计 TIDA-01471 电路图(2)图 6.参考设计 TIDA-01471 电路图(3)参考设计 TIDA-01471 材料清单:AO-Electronics
9、傲壹电子 官网: 中文网:ALPS ADI IR JRC/NJR KEC OTAX Seoul Semiconductor TI Walsin Technology图 7.参考设计 TIDA-01471 PCB 设计图(1)图 8.参考设计 TIDA-01471 PCB 设计图(2)图 9.参考设计 TIDA-01471 PCB 设计图(3)图 10.参考设计 TIDA-01471 PCB 设计图(4)图 11.参考设计 TIDA-01471 PCB 设计图(5)图 12.参考设计 TIDA-01471 PCB 设计图(6)图 13.参考设计 TIDA-01471 PCB 设计图(7)图 14.参考设计 TIDA-01471 PCB 设计图(8)图 15.参考设计 TIDA-01471 PCB 设计图(9)