제품소개

제품소개

PCI-8431/2 (RS485)

ㆍ▷ High-Performance 2-Port Interface for PCI

ㆍ▷ Flexible baud rates from 57 b/s to 2 Mb/s 

ㆍ▷ Up to 128 B transmit and receive FIFOs 

ㆍ▷ Memory mapped to prevent I/O resource conflicts

Data sheet

Features

▷ Flexible baud rates from 57 b/s to 2 Mb/s 
▷ Up to 128 B transmit and receive FIFOs 
▷ Memory mapped to prevent I/O resource conflicts
▷ Works with 3.3 and 5 V PCI slots 
▷ Integration with NI-VISA under Windows 2000/XP for easy development
▷ Full multiprocessor and hyperthreading compatibility 

Specification & Introduction

The National Instruments PCI-8431/2 is a high-performance, 2-port serial interface board for high-speed communication with RS485 devices at rates of up to 2 Mb/s. High-performance RS485 interfaces are available with up to four ports. The NI PCI-8431/2 offers flexible baud rates for data transmissions between 57 b/s and 2 Mb/s to within 1% accuracy for nonstandard baud rates and 0.01% 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. 

Ordering Information

NI PCI-8431/2 (RS485) 
▷ 78980-01 NI PCI-8431/2, High Baud RS-485 2-Port Interface, Win 2000/XP