SCXI-1125 电压输入模块 热电偶的增强和限制
【产品详情】
National Instruments SCXI-1125 电压输入模块
NI SCXI-1125 电压 输入 模 块 (部件号: 776872-25) 为 每 个 模拟 输入 通道 (全部 8 个 通道) 提供 300 Vrms 的 工作 隔离 和 低 通 滤波。其架构非常适合毫伏源、伏特源、0 至 20 mA、4 至 20 mA 和热电偶的增强和限制。SCXI-1125 可以 将 8 个 通道 复 用 到 DAQ 小 工具 的 一个 通道 中, 同时 还 允许 用户 添加 模 块 以 扩展 通道 数。该模块还提供并行模式操作,以扩展输出能力。
NI SCXI-1125 包含 校准 硬件, 可 使 错误 源 无效。通过可编程失调校准,软件可编程模拟开关将每个仪器增强器的输入接地,以进行失调误差校准。本地可用的 EEPROM 将每个通道的校准常数存储在客户特征区域中每个输入扩展。EEPROM还将工厂校准常数的排列存储在永久存储器中,该常数无法更改。NI- DAQ 驱动 软件 可 直接 利用 校准 常数 来 验证 增益 和 失调 误差。该器件的输出范围为 ±5.0 V,重量为 22.6 盎司。它的尺寸:7.4 x 6.8 x 1.2 英寸。
在此模型中,每个通道都包含一个自动低通滤波器,用户可以将其配置为 4 Hz 或 10 kHz。使用SCXI-1125,用户可以执行不规则扫描,这意味着他们可以只选择他们需要从中获取信息的通道,然后以任何顺序扫描通道。每个通道都独立限制在通道之间或通道对地之间具有 300 Vrms 的工作共模电压。此外,SCXI-1125 还通过了 CE 认证,具有双重绝缘、II 类操作隔离。
配置和编程SCXI-1125需要NI-DAQmx 9.0(或更高版本)驱动程序软件。此外,该 设备 还 兼容 以下 任何 一种 应用 开发 环境 (ADE): LabVIEW、 LabWindows/ CVI、 Measurement Studio。可以使用Measurement & Automation Explorer工具配置设备软件。
SCXI-1125 电压输入模块 热电偶的增强和限制
【英文介绍】
National Instruments SCXI-1125 Voltage input module
The NI SCXI-1125 voltage input module (Part number: 776872-25) provides 300 Vrms of operational isolation and low-pass filtering for each analog input channel (all 8 channels). Its architecture is ideal for the enhancement and limitation of millivolt sources, volt sources, 0 to 20 mA, 4 to 20 mA, and thermocouples. The SCXI-1125 can reuse eight channels into a single channel in the DAQ gadget, while also allowing users to add modules to expand the number of channels. The module also provides parallel mode operation to extend the output capability.
The NI SCXI-1125 includes calibration hardware that invalidates error sources. With programmable offset calibration, a software-programmable analog switch ground the input to each instrument enhancer for offset error calibration. The locally available EEPROM stores the calibration constant for each channel in the customer signature area for each input extension. The EEPROM also stores the arrangement of the factory calibration constant in permanent memory, which cannot be changed. The NI-DAQ driver software directly uses the calibration constant to verify the gain and offset errors. The device has an output range of ± 5.0V and weighs 22.6 ounces. Its dimensions: 7.4 x 6.8 x 1.2 inches.
In this model, each channel contains an automatic low-pass filter that the user can configure to either 4 Hz or 10 kHz. With SCXI-1125, users can perform irregular scans, meaning they can select only the channels from which they need to get information, and then scan the channels in any order. Each channel is independently limited to an operating common-mode voltage of 300 Vrms between channels or between channels to ground. In addition, the SCXI-1125 is CE certified with double insulation, Class II operating isolation.
Configuring and programming SCXI-1125 requires NI-DAQmx 9.0 (or later) driver software. In addition, the device is compatible with any of the following application development environments (ades) : LabVIEW, LabWindows/ CVI, Measurement Studio. Device software can be configured using the Measurement & Automation Explorer tool.
SCXI-1125 电压输入模块 热电偶的增强和限制
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