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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


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.

NI PCI-8431/2 Complete Package

Each NI PCI-8431/2 requires:

NI PCI-8431/2 Software

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NI PCI-8431/2 and Accessories

Hardware Subtotal: $ 372
NI PCI-8431/2 - 778980-01 Qty $ 372 each
 
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RS485/RS422 Null Modem Cable (1m) - 183283-01
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Qty $ 27 each
Package Price: $ 372
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You need software to interface with your hardware and to collect, analyze, present, and store your measurements. This board is compatible with a variety of programming languages, including LabVIEW, C/C++, Visual Basic, and .NET. LabVIEW provides the easiest integration with all of your NI hardware and is recommended to maximize your hardware investment.

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Extended Warranties

National Instruments designs and manufactures all products to minimize failures, however unexpected failures can still occur. Extended warranties provide a fixed economical price at the time of system purchase, covering any repair costs for up to three years. In addition, they offer the following benefits:

  • Significant cost savings compared to individual repair incidents
  • Fault location, diagnostics, and repair by NI any time the system product fails
  • All parts and labor costs covered as well as any adjustments needed to restore the hardware to manufacturing specifications

For more information about your warranty options:

Calibration

NI recognizes the need to maintain properly calibrated devices for high-accuracy measurements. NI provides manual calibration procedures, services to recalibrate your products, and automated calibration software to calibrate many NI measurement products.

Training

NI training is the fastest, most certain route to productivity with NI tools and successful application development.

Repair Services

Return your registered product under warranty at no additional labor and parts cost. NI offers fault location, diagnostics, and repair any time the system fails as well as any adjustments needed to restore the hardware to manufacturing specifications.

Technical Support

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