제품소개

제품소개

PCI-8431/4 (RS485)

ㆍ▷ High-Performance 4-Port Interface for PCI

ㆍ▷ Up to 128 B transmit and receive FIFOs 

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

ㆍ▷ Integration with NI-VISA under Windows 2000/XP for easy development

Data sheet

Features

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

Specification & Introduction

The National Instruments PCI-8431/4 is a high-performance, 4-port serial interface board for high-speed communication with RS485 devices at rates of up to 2 Mb/s. High-performance RS485 interfaces are also available with two ports. The NI PCI-8431/4 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, 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 using serial communication with the PCI-8431/4. 

Ordering Information

NI PCI-8431/4 (RS485) 
▷ 778981-01 NI PCI-8431/4, High Baud RS-485 4-Port Interface, Win 2000/XP 

Accessories 
▷ 182845-01 S8 Serial Cable, 10Pos Modular Plug to DB-9, 1 m (non isolated) 
▷ 82846-01 S9 Serial Cable, 10Pos Modular Plug to DB-25, 1 m (non isolated)