SCXI-1127 32通道矩阵/多路复用器开关模块

SCXI-1127  32通道矩阵/多路复用器开关模块

SCXI-1127 （部件号：776572-27）是一款高压矩阵/多路复用器模块，具有多种配置：1 x 32 2 线多路复用器、2 个 1 x 16 线 2 线多路复用器和 4 个 1 x 8 2 线多路复用器。

使用特殊接线端子还可以进行更多配置，例如 4 x 8 2 线或 1 x 32 2 线矩阵。通过使用软件可配置开关，该模块还可以用作 1 x 64 1 线或 1 x 64 4 线多路复用器。 NI SCXI-1127 非常适合 低 电压 和 高 电压。对于低电压测量，该矩阵/多路复用器开关模块采用具有极低热失调的继电器来保证精 确测量。另一方面，对于高压测量，该模块可以承受 200 mA 负载时 250 Vrms 的信号和 1 A 负载下 30 Vdc 的信号。SCXI

1127 使用 NI-SWITCH 驱动 软件 运行， 该 软件 支持 应用 开发 环境 （ADE），如 LabVIEW、 Measurement Studio、Visual Basic、 Microsoft C 和 C++。可以使用Measurement & Automation Explorer工具配置该设备。

NI SCXI-1127 具有 多功能 扫描 结构。用户可以任意扫描通道，并在一次扫描中具有多种输入模式，这有助于将多种传感器类型链接到单个模块。 SCXI-1127有两种扫描方法：软件扫描和硬件定时扫描。软件扫描允许通过软件选择频道。此过程不需要触发器连接。此外，软件扫描无法提供硬件定时扫描所具有的时间精 确度。硬件定时扫描使测量设备（如数字万用表）能够通过数字触发信号与NI SCXI-1127进行通信。还有两种类型的硬件定时扫描：同步扫描和握手扫描。同步扫描只需要从设备到多路复用器的单个信号，但握手需要从多路复用器链接到设备的另一个信号。SCXI-1127 重 1 磅，尺寸为：1.2 x 6.8 x 7.8 英寸。

SCXI-1127  32通道矩阵/多路复用器开关模块

The SCXI-1127 (Part number: 776572-27) is a high voltage matrix/multiplexer module available in a variety of configurations: 1 x 32 2-wire multiplexers, 2 1 x 16 2-wire multiplexers, and 4 1 x 8 2-wire multiplexers.

Additional configurations can be made using special terminals, such as a 4 x 8 2-wire or 1 x 32 2-wire matrix. By using software configurable switches, the module can also be used as a 1 x 64 1-wire or 1 x 64 4-wire multiplexer. The NI SCXI-1127 is ideal for both low and high voltages. For low voltage measurements, the matrix/multiplexer switching module uses relays with extremely low thermal offset to ensure accurate measurements. On the other hand, for high voltage measurements, the module can withstand signals of 250 Vrms at 200 mA loads and 30 Vdc at 1 A loads. SCXI

The 1127 runs with NI-SWITCH driver software that supports application development environments (ades) such as LabVIEW, Measurement Studio, Visual Basic, Microsoft C, and C++. You can configure this device using the Measurement & Automation Explorer tool.

NI SCXI-1127 has a multi-function scanning structure. Users can scan any channel and have multiple input modes in one scan, which helps to link multiple sensor types to a single module. SCXI-1127 has two scanning methods: software scanning and hardware timing scanning. Software scanning allows channels to be selected by software. This procedure does not require a trigger connection. In addition, software scanning does not provide the time accuracy of hardware timing scanning. Hardware timing scanning enables measuring devices, such as digital multimeters, to communicate with the NI SCXI-1127 via digital trigger signals. There are also two types of hardware timing scans: synchronous scanning and handshake scanning. A synchronous scan requires only a single signal from the device to the multiplexer, but a handshake requires another signal from the multiplexer to be linked to the device. The SCXI-1127 weighs 1 pound and measures 1.2 x 6.8 x 7.8 inches.