The National Instruments PCI-8431/2 is a high-performance PCI serial interface card designed for reliable communication with RS-485 devices. This dual-port board provides two independent, isolated RS-485 serial ports, making it ideal for connecting industrial equipment, instrumentation, and automation systems. It supports advanced features such as high-speed data transfer rates up to 3 Mbps, isolated transceivers for robust operation, and compatibility with NI-VISA and LabVIEW for seamless system integration.
The PCI-8431/2 is widely used in applications such as data acquisition, process control, motion control, and industrial automation where reliable multi-drop serial communication is essential.



