PXI-8431/8 | National Instruments 8-Port PXI Serial Interface Module

National Instruments · Sensors & Instrumentation

Description  The National Instruments PXI-8431/8 is an 8-port serial interface module designed for high-speed RS485 and RS422 communication in PXI systems. It supports full- and half-duplex transmission, offering advanced DMA, multithreading, and multiprocessor capabilities. This module enables efficient and reliable serial communication with industrial and embedded devices.     Technical Specifications  Condition New/Never Used Surplus Brand National Instruments Category Data Acquisition and Control Part Number PXI-8431/8 Subcategory PXI Serial Communication Modules Interface Type RS485 / RS422 Number of Ports 8 Baud Rate Up to 3 Mbps Transceiver Modes 2-wire (half-duplex), 4-wire (full-duplex) Communication Support Multithreaded, Multiprocessor compatible Connector Type  68-pin SCSI (with DB-9 breakout cable) DMA Support Yes COM Port Emulation Yes Max Device Count per Port 32 (RS485) Cable Length Support Up to 4000 feet (RS485) Power Supply +5 VDC, 925 mA (typ.), 1.4 A (max) Dimensions (W x H) 3.94 x 6.37 in Weight 137 g       Information About PXI-8431/8 The PXI-8431/8 is a PXI-based serial interface module developed by National Instruments (NI) for RS485 and RS422 communication. It features eight serial ports configurable for 2- or 4-wire transceiver modes, allowing full or half-duplex data transmission. The module supports data rates up to 3 Mbps and is compatible with Windows-based applications through standard COM port emulation. Designed with a 68-position SCSI interface, the PXI-8431/8 is ideal for distributed automation systems, data acquisition, and industrial serial device integration. Key Features: 8-Port RS485/RS422 Support: Provides eight independent serial ports for high-speed communication. Full/Half Duplex Modes: Supports 4-wire full-duplex and 2-wire half-duplex operation. High Baud Rate: Operates at up to 3 Mbps, suitable for demanding data transmission needs. COM Port Compatibility: Appears as standard COM ports for seamless integration with legacy applications. Advanced DMA and Threading: Utilizes high-performance DMA, multithreading, and multiprocessor features. Multi-Drop RS485 Networks: Supports up to 32 devices on a single port, ideal for industrial automation. PXI Platform Integration: Easily deployable within PXI-based test and control systems. Included Accessories: Ships with a 68-pin SCSI to 8 x DB-9 male breakout cable. The PXI-8431/8 delivers the reliability and scalability required for industrial serial communication and PXI-based system integration.

Brand: National Instruments · Category: Sensors & Instrumentation

Key features

• 8-Port RS485/RS422 Support: Provides eight independent serial ports for high-speed communication.
• Full/Half Duplex Modes: Supports 4-wire full-duplex and 2-wire half-duplex operation.
• High Baud Rate: Operates at up to 3 Mbps, suitable for demanding data transmission needs.
• COM Port Compatibility: Appears as standard COM ports for seamless integration with legacy applications.
• Advanced DMA and Threading: Utilizes high-performance DMA, multithreading, and multiprocessor features.
• Multi-Drop RS485 Networks: Supports up to 32 devices on a single port, ideal for industrial automation.
• PXI Platform Integration: Easily deployable within PXI-based test and control systems.
• Included Accessories: Ships with a 68-pin SCSI to 8 x DB-9 male breakout cable. The PXI-8431/8 delivers the reliability and scalability required for industrial serial communication and PXI-based system integration.

Specifications

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