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NI (National Instruments) PCIe-8431/16 PCI Express, 16-Port, RS485/RS422 Serial Interface Device
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NI (National Instruments) · PCI Express

PCIe-8431/16

The NI PCIe-8431/16 is a PCI Express serial interface device with 16 RS485/RS422 channels and a VHDCI front connection. It is a non-isolated interface.

ManufacturerNI (National Instruments)
ModelPCIe-8431/16
Part Number780592-02
Product TypePCI Express, 16-Port, RS485/RS422 Serial Interface Device
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30-Day Warrantystandard coverage
30-Day Returnspolicy applies
Technical Supportmodel & compatibility help
Bus ConnectionPCI Express
Isolation TypeNone
Number of Serial Channels16
Supported Serial ProtocolsRS485, RS422
Front Connection TypeVHDCI
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Overview

Product overview

Key product information and technical features.

The PCIe-8431/16, NI part number 780592-02, provides 16 serial channels for communication with RS485 and RS422 devices through a PCI Express host connection.

The interface features high-performance DMA transfers, multithreading and multiprocessor support. Selectable 4- or 2-wire transceiver modes support full- and half-duplex communication.

  • 16 serial channels supporting RS485 and RS422 protocols.
  • PCI Express bus interface with a VHDCI front connection.
  • Selectable 4- or 2-wire transceiver modes for full- and half-duplex communication.
  • High-performance DMA transfers with multithreading and multiprocessor support.
  • Non-isolated serial interface design.
Verified specifications

Technical data

Verified product specifications.

Bus ConnectionPCI Express
Isolation TypeNone
Number of Serial Channels16
Supported Serial ProtocolsRS485, RS422
Front Connection TypeVHDCI
NI part numbers780592-02
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NI

Manufacturer

PCI Express

Bus Connection

PCIe-8431/16

This product

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Manuals & software

Technical resources

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Getting Started (NI)Getting Started · ni.com
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Specifications (NI)Specifications · ni.com
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Product Page (NI)Product Page · ni.com
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FAQ

Product-specific questions

Product-specific answers based on available technical information.

What is the NI part number for the PCIe-8431/16?

The supplied verified catalog data identifies NI part number 780592-02.

How many serial channels does the PCIe-8431/16 provide?

It provides 16 serial channels supporting RS485 and RS422 protocols.

Which host bus and front connection does it use?

The device uses a PCI Express host bus and a VHDCI front connection.

Does the PCIe-8431/16 provide isolation?

No. The listed isolation type is None.

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