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NI PCI-8431/2 (RS485 and RS422)

High-Performance 2-Port Serial Interface for PCI

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  • High-speed DMA interface minimizes CPU overhead
  • Compatible with Windows Vista/Vista x64/XP/XP x64/2000/2003 Server/2003 Server x64/LabVIEW Real-Time
  • Flexible standard and nonstandard baud rates from 57 b/s to 3,000,000 b/s
  • Memory mapped to prevent I/O resource conflicts
  • 128 B transmit and receive FIFOs
  • Full multiprocessor and hyperthreading compatibility
  • Data Sheet  |  Specifications (3) popup

Step 1: Verify Device and Quantity Selection
Part
Number		 Description Est Ship Days Glossary Definition US Dollars
(change) 		Qty
778980-01 NI PCI-8431/2 (RS485) -- For price, select country  
Step 2: Select Optional Accessories
Part
Number		 Description Est Ship Days Glossary Definition US Dollars
(change) 		Qty
Shielded Cables
183283-01 RS485/RS422 Null Modem Cable (1m) -- For price, select country  
183283-02 RS485/RS422 Null Modem Cable (2m) -- For price, select country  
183283-04 RS485/RS422 Null Modem Cable (4m) -- For price, select country  
Step 3: Add to Cart or Get a Quote

Please select the country where you will use the product(s) so that we can provide you with accurate pricing, availability, and purchasing information

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.

Data Sheet | View Pricing and Purchasing Information »

Specifications Documents


Specifications Summary


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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

ni.com/support

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