产品细节：PXIE-7858R r系列可重构I/O模块 受到过电流和过压保护

这PXIe-7858R(零件号:784147-01)是一个r系列可重构I/O模块开发人民族乐器。它受到过电流和过压保护。该模块提供8路模拟输入，数据采样率为1 MS/s，分辨率为16位。每个通道都有一个AIGND引脚。这些输入通道还有一个AI引脚和一个AI+引脚。这些引脚使器件能够连接差分电压信号。它们还有助于单端电压信号的连接。这倪PXIe-7858R另外还有8路模拟输出，数据采样速率为1 MS/s，分辨率为16位。每个通道由一个AOGND引脚和一个AO引脚组成。这些引脚使用户能够将电流连接到器件。

这倪PXIe-7858R为48个数字I/O通道提供连接。每个连接器都有1.2 V至3.3 V的可调电平，这些通道可以设置为输入或输出通道。连接器0由16个低通道组成。这些通道可以执行高达10 MHz的频率。连接器1由32个高速通道组成。这些通道的工作频率最高可达80 MHz。这倪PXIe-7858R由FPGA模块构成。数字I/O通道通过缓冲器与FPGA相连。它有助于提供欠压和过压保护。它还有助于防止过流。该器件配有2个68引脚VHDCI I/O连接器。它有一个16，020千位的嵌入式块RAM和一个512 MB的板载DRAM。

该器件使用NI-RIO驱动软件运行，该软件与LabVIEW、LabVIEW实时模块或LabVIEW FPGA模块等软件包兼容。FPGA特性增强了的性能倪PXIe-7858R。它还提供对I/O信号的控制。此外，它还带来了系统调整和计时的灵活性。该模块用于需要控制和精确定时的应用，包括自定义协议通信和传感器模拟。该模块可进一步用于高速控制。这倪PXIe-7858R可以执行多速率采样和操作通道的单独触发。

PXIE-7858R

The PXIe-7858R (Part number: 784147-01) is a R Series Reconfigurable I/O Module developed by National Instruments. It is protected from over current and over voltage conditions. This module provides 8 analog inputs which have a data sampling rate of 1 MS/s, with a 16 bit resolution. Each channel has an AIGND pin. These input channels also have an AI- pin and AI+ pin. These pins enable the device to connect differential voltage signals. They also help develop the connection for single-ended voltage signals. The NI PXIe-7858R additionally has 8 analog outputs, which have a data sampling rate of 1 MS/s, with a 16 bit resolution. Each channel consists of an AOGND pin and an AO pin. These pins enable the user to connect the current to the device.

The NI PXIe-7858R offers connections for 48 digital I/O channels. Each connector has adjustable levels from 1.2 V to 3.3 V. These channels can be set as input or output channels. Connector 0 consists of 16 low channels. These channels can perform up to 10 MHz frequency. Connector 1 consists of 32 high-speed channels. These channels can operate up to 80 MHz frequency. The NI PXIe-7858R is structured with an FPGA module. The digital I/O channels are connected with the FPGA by buffers. It helps provide protection against under voltage and over voltage. It also helps protect from overcurrent. The device is equipped with 2 68-pin VHDCI I/O connectors. It has an embedded block RAM of 16,020 kbits with an onboard DRAM of 512 MB.

The device operates using the NI-RIO driver software which is compatible with software packages such as LabVIEW, LabVIEW Real-Time module, or LabVIEW FPGA module. The FPGA feature enhances the performance of the NI PXIe-7858R. It also provides control over I/O signals. Moreover, it brings the flexibility in the system adjustments and timings. The module is used for applications that need control and precise timing, including custom protocol communication and sensor simulation. This module can further be used for high-speed control. The NI PXIe-7858R can perform multi-rate sampling and operate an individual triggering of a channel.

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