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NI SCXI-1104C電壓輸入模塊是NI（美國國家儀器）公司SCXI系列中的一個重要組件，專為高電壓信號的信號調(diào)理而設(shè)計。以下是對該模塊的詳細(xì)介紹：

一、基本信息

• 品牌：NI（美國國家儀器）
• 型號：SCXI-1104C
• 系列：SCXI系列

二、技術(shù)特點

1. 高精度和穩(wěn)定性：采用精密的電壓輸入技術(shù)，確保準(zhǔn)確的測量結(jié)果，滿足各種不同電壓信號的測量需求。
2. 多量程測量：支持多種測量范圍，用戶可以根據(jù)實際電壓信號的大小選擇合適的量程，提高測量的準(zhǔn)確性和穩(wěn)定性。
3. 多種信號類型支持：支持多種常見的信號類型和電壓標(biāo)準(zhǔn)，如±10V、±5V、±2.5V等，方便用戶根據(jù)實際需求選擇合適的信號類型和標(biāo)準(zhǔn)。
4. 易于校準(zhǔn)和維護：該模塊應(yīng)每年至少重新校準(zhǔn)一次，或在指定溫度范圍之外運行時重新校準(zhǔn)。校準(zhǔn)過程簡單易行，用戶可以按照校準(zhǔn)指南進行操作，確保測量的準(zhǔn)確性。同時，該模塊也易于維護和保養(yǎng)，降低維護成本。
5. 多通道與靈活性：具有多個差分通道（部分資料提及32個差分通道，但請注意不同來源的信息可能有所不同），支持多個通道同時采集，可連接多個傳感器或信號源進行數(shù)據(jù)采集，以滿足多種應(yīng)用場景的需求。
6. 可編程性：可以使用編程語言（如LabVIEW）來配置和控制模塊，滿足特定應(yīng)用的需求。

三、主要技術(shù)參數(shù)

• 通道數(shù)：通常為16個差分輸入通道（也有資料提及32個差分通道，具體以產(chǎn)品規(guī)格書為準(zhǔn)）。
• 分辨率：24位模數(shù)轉(zhuǎn)換器，提供高精度的數(shù)據(jù)采集。
• 采樣率：最大采樣速率為100 kS/s，但具體速率可能根據(jù)應(yīng)用需求有所不同。
• 輸入電壓范圍：±10 V，適用于多種常見的信號類型和電壓標(biāo)準(zhǔn)。
• 輸入阻抗：1 MΩ || 5 pF，確保穩(wěn)定的信號傳輸。
• 連接方式：采用SCXI端子板，方便連接各種傳感器和信號源。
• 尺寸與重量：3.3 x 22.9 x 14.0 cm，0.36 kg，適合各種環(huán)境使用。

四、應(yīng)用場景

NI SCXI-1104C電壓輸入模塊適用于各種需要進行高電壓信號測量的應(yīng)用場景，如電力系統(tǒng)的監(jiān)測、電機控制、實驗室測量等。它能夠提供準(zhǔn)確的測量結(jié)果，幫助用戶更好地了解系統(tǒng)運行狀態(tài)，提高生產(chǎn)效率和設(shè)備可靠性。

The NI SCXI-1104C voltage input module is an important component in the NI (National Instruments) SCXI series, designed for signal conditioning of high voltage signals. The following is a detailed introduction to the module:

1. Basic information

Brand: NI (National Instruments)

Model: SCXI-1104C

Series: SCXI series

Second, technical characteristics

High precision and stability: The use of precision voltage input technology to ensure accurate measurement results to meet the measurement needs of various voltage signals.

Multi-range measurement: Support a variety of measurement ranges, users can choose the right range according to the size of the actual voltage signal, improve the accuracy and stability of the measurement.

Multiple signal types support: Support a variety of common signal types and voltage standards, such as ±10V, ±5V, ±2.5V, etc., convenient for users to choose the appropriate signal types and standards according to actual needs.

Easy calibration and maintenance: The module should be recalibrated at least once a year, or when operating outside a specified temperature range. The calibration process is simple and users can follow the calibration guide to ensure the accuracy of the measurement. At the same time, the module is also easy to maintain and maintain, reducing maintenance costs.

Multi-channel and flexibility: with multiple differential channels (some materials mention 32 differential channels, but please note that different sources of information may be different), support multiple channels at the same time, can connect multiple sensors or signal sources for data acquisition, to meet the needs of a variety of application scenarios.

Programmability: Modules can be configured and controlled using programming languages such as LabVIEW to meet the needs of specific applications.

3. Main technical parameters

Number of channels: Usually 16 differential input channels (there are also references to 32 differential channels, the specific product specifications prevail).

Resolution: 24-bit analog-to-digital converter provides high precision data acquisition.

Sampling rate: The maximum sampling rate is 100 kS/s, but the specific rate may vary according to application requirements.

Input voltage range: ±10 V, suitable for a variety of common signal types and voltage standards.

Input impedance: 1 MΩ || 5 pF to ensure stable signal transmission.

Connection mode: SCXI terminal board is used to connect various sensors and signal sources.

Size and weight: 3.3 x 22.9 x 14.0 cm, 0.36 kg, suitable for various environments.

Iv. Application scenarios

The NI SCXI-1104C voltage input module is suitable for a variety of applications requiring high voltage signal measurement, such as power system monitoring, motor control, laboratory measurement, etc. It can provide accurate measurement results to help users better understand the operating status of the system, improve production efficiency and equipment reliability.