NI PCI4451 數(shù)據(jù)采集卡 PDF資料
1.產(chǎn) 品 資 料 介 紹：
中文資料：
NI PCI4451 數(shù)據(jù)采集卡是由國家儀器公司（National Instruments）生產(chǎn)的一款高性能數(shù)據(jù)采集設備，廣泛應用于科學研究、工業(yè)控制、自動化測試以及信號處理等領域。這款數(shù)據(jù)采集卡具有多種模擬輸入輸出、數(shù)字輸入輸出以及計時功能，可以滿足各種復雜應用場景的需求。
主要功能特點：
高精度模擬輸入：
- PCI4451 提供高精度的模擬輸入，支持多通道采集?？梢酝瑫r處理多個信號，滿足高精度測量需求。
- 支持高達 16-bit 的分辨率，能夠捕捉到微小的信號變化，適用于精密測量。
靈活的輸入輸出通道：
- 提供多個模擬輸入通道（例如模擬電壓輸入），支持不同的輸入范圍和采樣率。
- 支持同時進行多路模擬信號采集，支持的輸入類型包括差分輸入和單端輸入。
高性能的計時和觸發(fā)功能：
- 內(nèi)建定時和觸發(fā)機制，可根據(jù)需求設置采樣頻率、觸發(fā)條件等參數(shù)，確保精確的時間控制。
- 支持多種觸發(fā)模式，適應不同應用場景的需求，如硬觸發(fā)、軟件觸發(fā)等。
高速數(shù)據(jù)傳輸：
- 采用 PCI接口，提供高速的數(shù)據(jù)傳輸能力，保證信號實時采集和處理。
- 高帶寬傳輸能力使得數(shù)據(jù)可以快速、準確地傳送至計算機，確保實時監(jiān)控與處理。
數(shù)字輸入輸出：
- 提供多個數(shù)字輸入輸出通道，適用于開關量信號采集和輸出，便于與其他數(shù)字設備進行交互。
- 可用于測量開關信號的變化，或者控制其他設備的開關狀態(tài)。
靈活的驅(qū)動支持：
- 支持多種驅(qū)動程序，兼容NI提供的軟件開發(fā)工具，如LabVIEW、LabWindows/CVI等，可以輕松集成到各種測量系統(tǒng)中。
- 提供 NI-DAQmx 驅(qū)動程序，支持多種編程語言（如C/C++、Python、Visual Basic等）。
穩(wěn)定的長時間運行：
- 設計上注重穩(wěn)定性，適用于長期高負載運行，特別是在工業(yè)環(huán)境和實驗室條件下的可靠使用。
緊湊的設計：
- 作為一款PCI卡，安裝簡便，適用于各種標準PC工作站，節(jié)省了空間并提高了系統(tǒng)的集成度。
英文資料：
The NI PCI4451 data acquisition card is a high-performance data acquisition device produced by National Instruments, widely used in fields such as scientific research, industrial control, automation testing, and signal processing. This data acquisition card has multiple analog input/output, digital input/output, and timing functions, which can meet the needs of various complex application scenarios.
Main functional features:
High precision analog input:
PCI4451 provides high-precision analog input and supports multi-channel acquisition. It can process multiple signals simultaneously to meet high-precision measurement requirements.
Supports up to 16 bit resolution, capable of capturing small signal changes, suitable for precision measurement.
Flexible input and output channels:
Provide multiple analog input channels (such as analog voltage input), supporting different input ranges and sampling rates.
Supports simultaneous acquisition of multiple analog signals, with input types including differential input and single ended input.
High performance timing and triggering functions:
Built in timing and triggering mechanism, which can set parameters such as sampling frequency and triggering conditions according to requirements to ensure precise time control.
Support multiple triggering modes to meet the needs of different application scenarios, such as hard triggering, software triggering, etc.
High speed data transmission:
Adopting PCI interface, providing high-speed data transmission capability, ensuring real-time signal acquisition and processing.
The high bandwidth transmission capability enables data to be quickly and accurately transmitted to the computer, ensuring real-time monitoring and processing.
Digital Input/Output:
Provide multiple digital input and output channels, suitable for switch signal acquisition and output, facilitating interaction with other digital devices.
Can be used to measure changes in switch signals or control the switch status of other devices.
Flexible driver support:
Supports multiple drivers and is compatible with software development tools provided by NI, such as LabVIEW, LabWindows/CVI, etc. It can be easily integrated into various measurement systems.
Provide NI DAQmx drivers that support multiple programming languages such as C/C++, Python, Visual Basic, etc.
Stable long-term operation:
The design emphasizes stability and is suitable for long-term high load operation, especially reliable use in industrial environments and laboratory conditions.
Compact design:
As a PCI card, it is easy to install and suitable for various standard PC workstations, saving space and improving system integration.
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