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NI (National Instruments) PCI-8433/4 4-Port, PCI, Isolated, RS485/RS422 Serial Interface Device
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NI (National Instruments) · PCI

PCI-8433/4

The NI PCI-8433/4 is a PCI serial interface device with four port-to-port isolated channels for RS485 and RS422 communication.

ManufacturerNI (National Instruments)
ModelPCI-8433/4
Part Number779146-01
Product Type4-Port, PCI, Isolated, RS485/RS422 Serial Interface Device
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30-Day Warrantystandard coverage
30-Day Returnspolicy applies
Technical Supportmodel & compatibility help
Bus ConnectionPCI
Isolation TypePort-Port Isolation
Number of Serial Channels4
Supported Serial ProtocolsRS485, RS422
Front Connection TypeRJ45
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Overview

Product overview

Key product information and technical features.

The PCI-8433/4 adds four RS485/RS422 serial channels to a PCI-based system. It provides port-to-port isolation and RJ45 front connections.

The interface supports DMA transfers, multithreading, and multiprocessor operation. Selectable 4-wire and 2-wire transceiver modes support full- and half-duplex communication.

  • Four serial channels with RS485 and RS422 protocol support.
  • PCI bus interface.
  • Port-to-port isolation.
  • RJ45 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
Isolation TypePort-Port Isolation
Number of Serial Channels4
Supported Serial ProtocolsRS485, RS422
Front Connection TypeRJ45
NI part numbers779146-01
Condition & included items

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NI

Manufacturer

PCI

Bus Connection

PCI-8433/4

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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Shipping, warranty & returns

Commercial terms

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Returns
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FAQ

Product-specific questions

Product-specific answers based on available technical information.

How many serial channels does the PCI-8433/4 provide?

It provides four serial channels supporting RS485 and RS422.

What type of isolation does the PCI-8433/4 provide?

The interface provides port-to-port isolation.

Which host interface and front connections does it use?

The PCI-8433/4 uses a PCI host bus connection and RJ45 front connections.

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

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

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