NI 9234 是一种 4 通道动态信号采集模块，可对 IEPE 传感器进行高精度测量。NI 9234的动态范围为 102 dB，并带有 2 mA 恒定电流的集成电路压电式(IEPE)信号调理，用于加速度计及麦克风。4 路输入通道可同时以最高为 51.2 kS/s 的速度进行采样。此外，模块还包含内置抗混叠滤波器，可自动调节至您的采样率。NI 9234 与单模块 USB 外盒、NI CompactDAQ、NI CompactRIO 硬件兼容，是各种移动和便携式应用的理想解决方案，包括工业机器状态监测、车内噪声、振动以及声音粗糙度测试等。
NI-9234
NI-9234可以测量来自集成电子压电（IEPE）和非IEPE传感器的信号，如加速度计、转速表和接近探头。NI-9234还与智能TEDS传感器兼容。NI-9234提供了宽的动态范围，并结合了软件可选择的AC/DC耦合和IEPE信号调节。输入通道同时测量信号。每个通道都有内置的抗锯齿滤波器，可以根据您的采样率自动调整。当与NI软件一起使用时，该模块提供了条件监测的处理功能，如频率分析和订单跟踪。
NI-9234
The NI 9234 is a 4-channel dynamic signal acquisition module that can perform high-precision measurements on IEPE sensors. The dynamic range of the NI 9234 is 102 dB and comes with an integrated circuit piezoelectric (IEPE) signal conditioning with a constant current of 2 mA, used for accelerometers and microphones. Four input channels can simultaneously sample at a speed of up to 51.2 kS/s. In addition, the module also includes a built-in anti aliasing filter that can automatically adjust to your sampling rate. The NI 9234 is compatible with single module USB outer box, NI CompactDAQ, and NI CompactRIO hardware, making it an ideal solution for various mobile and portable applications, including industrial machine condition monitoring, interior noise, vibration, and sound roughness testing.
NI-9234
NI-9234 can measure signals from integrated electronic piezoelectric (IEPE) and non IEPE sensors, such as accelerometers, tachometers, and proximity probes. NI-9234 is also compatible with intelligent TEDS sensors. NI-9234 provides a wide dynamic range and combines software selectable AC/DC coupling and IEPE signal conditioning. Measure the signal simultaneously on the input channel. Each channel has a built-in anti aliasing filter that can be automatically adjusted according to your sampling rate. When used with NI software, this module provides processing functions for condition monitoring, such as frequency analysis and order tracking.
NI-9234
PLC控制器本身的硬件采用积木式结构，各厂家产品结构大同小异。以日本欧姆龙C200HE为例，为总线模板框式结构，基本框架(CPU母板)上装有CPU模板，其它槽位装有I/O模板;如果I/O模板多时，可由CPU母板经I/O扩展电缆连接I/O扩展母板，在其上装I/O模板;另一种方法是配备远程I/O从站等。这些都说明了PLC厂家将硬件各部件均向用户开发，便于用户选用，配置成规模不等的PLC，而且这种硬件配置的开放性，为制造商、分销商(代理商)、系统集成商、最终用户带来很多方便，为营销供应链带来很大便利，这是一大成功经验。
NI-9234
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