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NI (National Instruments) · PCI Express

PCIe-8433/2

The NI PCIe-8433/2 is a PCI Express serial interface device with two RS485/RS422 channels and port-to-port isolation.

ManufacturerNI (National Instruments)
ModelPCIe-8433/2
Part Number781745-01
Product TypePCI Express, 2-Port, Isolated, RS485/RS422 Serial Interface Device
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30-Day Warrantystandard coverage
30-Day Returnspolicy applies
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Bus ConnectionPCI Express
Isolation TypePort-Port Isolation
Number of Serial Channels2
Supported Serial ProtocolsRS485, RS422
Front Connection TypeD-SUB
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Overview

Product overview

Key product information and technical features.

The PCIe-8433/2, NI part number 781745-01, provides two serial channels for communication with RS485 and RS422 devices. It connects to the host through PCI Express and provides port-to-port isolation with D-SUB front connections.

The interface supports selectable 4-wire and 2-wire transceiver modes for full- and half-duplex communication. Its features also include DMA transfers, multithreading, and multiprocessor support.

  • PCI Express host bus connection.
  • Two serial channels with port-to-port isolation.
  • Supports RS485 and RS422 serial protocols.
  • D-SUB front connections.
  • Selectable 4-wire and 2-wire transceiver modes for full- and half-duplex communication.
  • DMA transfers, multithreading, and multiprocessor support.
Verified specifications

Technical data

Verified product specifications.

Bus ConnectionPCI Express
Isolation TypePort-Port Isolation
Number of Serial Channels2
Supported Serial ProtocolsRS485, RS422
Front Connection TypeD-SUB
NI part numbers781745-01
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NI

Manufacturer

PCI Express

Bus Connection

PCIe-8433/2

This product

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Getting Started (NI)Getting Started · ni.com
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Specifications (NI)Specifications · ni.com
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Dimensional Drawings (NI)Dimensional Drawings · ni.com
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Product Page (NI)Product Page · ni.com
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Shipping, warranty & returns

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Warranty
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Returns
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FAQ

Product-specific questions

Product-specific answers based on available technical information.

What host interface does the PCIe-8433/2 use?

The PCIe-8433/2 uses a PCI Express host bus connection.

How many channels and which serial protocols does it support?

It provides two serial channels supporting RS485 and RS422.

What isolation does the PCIe-8433/2 provide?

The device provides port-to-port isolation.

Does it support 2-wire and 4-wire communication?

Yes. It supports selectable 2-wire and 4-wire transceiver modes for half- and full-duplex communication.

What NI part number identifies this model?

The supplied product record identifies the PCIe-8433/2 as NI part number 781745-01.

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