NI PCI-8431/2 (RS485 and RS422) High-Performance 2-Port Serial Interface for PCI

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  • Compatible with Windows and LabVIEW Real-Time OSs
  • Flexible standard and nonstandard baud rates from 57 baud to 3,000,000 baud
  • Selectable 4- and 2-wire transceiver modes for full- and half-duplex communication
  • 128 B transmit and receive FIFOs, Memory mapped to prevent I/O resource conflicts
  • Full multiprocessor and hyperthreading compatibility
  • High-speed DMA interface minimizes CPU overhead
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The National Instruments PCI-8431/2 is a high-performance, two-port serial interface for high-speed communication with RS485 or RS422 devices at rates of up to 3 Mb/s. High-performance RS485 and RS422 interfaces are available in two-, four-, and eight-port versions. The NI PCI-8431/2 offers flexible baud rates for data transmissions between 57 b/s and 3 Mb/s to within 1 percent accuracy for nonstandard baud rates and 0.01 percent accuracy for standard baud rates.

With the high-performance DMA engine, you achieve high throughput with minimal CPU usage. With hyperthreading and multiprocessor support, you can take advantage of the latest PC technology for higher speeds and better efficiency. National Instruments also offers easy-to-use powerful software that significantly reduces your development time for systems that use serial communication with the PCI-8431/2.

Each NI PCI-8431/2 requires:

NI PCI-8431/2

NI PCI-8431/2 and Accessories

NI PCI-8431/2 - 778980-01 Qty $ 378 each
Optional Accessories
RS485/RS422 Null Modem Cable (1m) - 183283-01
Select length:
Qty $ 28 each

Subtotal: $ 378

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