PCI-8430 National Instruments Communication processor

Description

PCI-8430 National Instruments Communication processor

Product Dimensions：

Product Description

The NI PCI-8430 is a high-performance serial interface device designed for communication with RS232 devices. It’s available in various models with different numbers of ports, such as the PCI-8430/2 (2-port), PCI-8430/4 (4-port), and PCI-8430/8 (8-port). It’s a PCI-based card that plugs into a standard computer slot to add serial communication capabilities.

Product Specifications

• • Data Rate: Up to 1 Mbps (1000 kbaud)
  • Interface Standard: RS232
  • Connector Type: Typically DB-9 male for the 2-port model and a 68-pin SCSI connector for the 8-port model.
  • FIFO Size: 128 Bytes
  • Power Requirements: +5 VDC (specific current draw varies by model)
  • Bus Interface: PCI

  Product Advantages

  The NI PCI-8430 is designed for high-performance and reliability. Its primary advantages include:

  • High-Speed Communication: It supports data rates up to 1 Mbps, which is significantly faster than standard on-board serial ports, making it suitable for high-throughput applications.
  • Efficient Data Transfer: It utilizes high-performance Direct Memory Access (DMA) transfers, which offloads the CPU and improves overall system performance, especially during high-speed data acquisition.
  • Multithreading and Multiprocessor Support: The design is optimized for modern computing environments, ensuring stable and reliable performance in complex applications.
  • Standard Compatibility: The device appears as a standard COM port, which allows it to be easily integrated with programs that use serial communications.
  • Robustness: NI products are known for their quality and durability, making the PCI-8430 a reliable choice for industrial and demanding applications.

  Applications

  The NI PCI-8430 is commonly used in various test, measurement, and control applications that require reliable and high-speed serial communication. Some typical applications include:

  • Industrial Automation: Communicating with PLCs, sensors, and other industrial devices.
  • Test and Measurement: Interfacing with instruments and data acquisition systems in a lab or testing environment.
  • Embedded Systems: Integrating with embedded controllers and systems that use an RS232 interface.
  • Medical Devices: Controlling and acquiring data from medical equipment.

  Important Considerations

  When using the NI PCI-8430, it’s important to be aware of a few key points:

  • Software and Driver Support: The device requires the appropriate NI-Serial software and drivers to function correctly. Ensure you’re using the correct version for your operating system (e.g., Windows or LabVIEW Real-Time).
  • System Compatibility: Make sure the card is compatible with your computer’s PCI slot and that your system meets the minimum requirements.
  • Proper Cabling: Using the correct cables and pinouts is crucial for reliable communication. For the 8-port model, you will need a specific cable to break out the 68-pin connector into individual DB-9 connectors.
  • Firmware and Software Updates: Always check for the latest driver and firmware updates from NI, as they often include bug fixes and performance enhancements. Earlier versions of the drivers had some known issues, such as potential system hangs during reboot or data loss, which have been fixed in later versions.

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