NI PXI-2540多路复用器模块
1.产 品 资 料 介 绍：
中文资料：
NI PXI-2540是一种多路复用器（Multiplexer）/分配器（Demultiplexer）模块，它为NI PXI（PCI eXtensions for Instrumentation）平台提供高性能的信号交换功能。下面是该模块的配置说明、功能作用和应用领域：
配置说明：
- NI PXI-2540模块基于PXI总线架构，可以通过插槽（slot）与其他PXI设备进行连接。
- 它提供了四个不同的配置，包括32:1复用器、16:1复用器、8:1复用器和4:1复用器，以满足不同应用需求。
- 模块支持高达500 V的高电压信号切换，最大开关功率可达60 W。
功能作用：
- 多路复用器功能：NI PXI-2540模块可将多个输入信号源切换到单个输出通道上，实现信号的复用。不同配置下，可实现从4个输入通道到32个输入通道的复用功能。
- 分配器功能：该模块还可以将单个输入信号分配到多个输出通道上，实现信号的分发。
应用领域：
- 自动测试系统（ATE）：NI PXI-2540模块可用于自动测试系统中，以实现对被测设备或系统中多个信号源的切换和复用。它能够提高测试效率并减少测试时间。
- 传感器信号采集：在需要对多个传感器信号进行采集和处理的应用中，该模块可以帮助实现对多个传感器信号源的切换和复用。
- 通信系统测试：在通信系统测试中，NI PXI-2540模块可用于信号源的切换和分配，以验证不同测试场景下的系统性能。
英文资料：
NI PXI-2540 is a multiplexer/demultiplexer module that provides high-performance signal exchange functionality for the NI PXI (PCI eXtensions for Instrumentation) platform. The following are the configuration instructions, functional roles, and application areas of this module:
Configuration instructions:
The NI PXI-2540 module is based on the PXI bus architecture and can be connected to other PXI devices through slots.
It provides four different configurations, including 32:1 multiplexer, 16:1 multiplexer, 8:1 multiplexer, and 4:1 multiplexer, to meet different application requirements.
The module supports switching of high voltage signals up to 500 V, with a maximum switching power of up to 60 W.
Function:
Multiplexer function: The NI PXI-2540 module can switch multiple input signal sources to a single output channel, achieving signal multiplexing. Under different configurations, the multiplexing function can be achieved from 4 input channels to 32 input channels.
Distributor function: This module can also allocate a single input signal to multiple output channels, achieving signal distribution.
Application field:
Automatic Test System (ATE): The NI PXI-2540 module can be used in automatic test systems to achieve switching and multiplexing of multiple signal sources in the tested equipment or system. It can improve testing efficiency and reduce testing time.
Sensor signal acquisition: In applications where multiple sensor signals need to be collected and processed, this module can help achieve switching and multiplexing of multiple sensor signal sources.
Communication system testing: In communication system testing, the NI PXI-2540 module can be used for signal source switching and allocation to verify system performance under different testing scenarios.
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