PXI-8431/8  |  PXI串行仪器控制模块 |  实现自动化和智能化

PXI-8431/8

PXI串行仪器控制模块

8端口，RS485/RS422 PXI串行接口模块—PXI‑8431/8是一款用于与RS485和RS422设备进行高速通信的高性能接口， 它具有高性能DMA传输、多线程和多处理器支持。 用户可选择4线或2线收发器模式来实现全双工或半双工通信。 NI串行接口也可作为标准COM端口，以便兼容使用串行通信的程序。

特点：

灵活性：PXI-8431/8用户可以根据需要选择适当的串行协议和通道数量。

兼容性：NI串行接口兼容标准COM端口，方便与现有程序集成。

隔离功能：部分型号提供隔离功能，提高系统的稳定性和安全性。

应用场景：

电子测试：PXI-8431/8用于测试和验证电子产品中的串行通信接口。

数据采集：通过串行接口采集外部设备的数据。

控制系统：PXI-8431/8与外部设备进行通信和控制，实现自动化和智能化。

使用注意事项：

在使用前，请确保已正确安装和配置PXI机箱、控制器和串行仪器控制模块。

根据所使用的串行协议和通道数量，选择适当的测试程序或编写自定义测试程序。

在进行高速数据传输时，请注意数据完整性和稳定性问题。

PXI-8431/8

PXI serial instrument control module

8-port, RS485/RS422 PXI Serial Interface module - PXI‑8431/8 is a high-performance interface for high-speed communication with RS485 and RS422 devices with high-performance DMA transport, multithreading and multiprocessor support. Users can choose between 4-wire or 2-wire transceiver modes for full duplex or half-duplex communication. The NI serial interface can also be used as a standard COM port for compatibility with programs that use serial communication.

Features:

Flexibility: PXI-8431/8 users can choose the appropriate number of serial protocols and channels according to their needs.

Compatibility: NI serial interface is compatible with standard COM ports for easy integration with existing programs.

Isolation function: Some models provide isolation function to improve system stability and security.

Application scenario:

Electronic testing: The PXI-8431/8 is used to test and verify serial communication interfaces in electronic products.

Data acquisition: Acquisition of external device data through serial interface.

Control system: PXI-8431/8 communicates and controls with external devices to achieve automation and intelligence.

Precautions for use:

Before use, ensure that the PXI chassis, controller, and serial instrument control module are properly installed and configured.

Depending on the serial protocol and number of channels used, choose the appropriate test program or write a custom test program.

When performing high-speed data transfers, be aware of data integrity and stability issues.