PXI-8430 NI 2-Port RS232 Serial Interface Module

Description PXI-8430 NI 2-Port RS232 Serial Interface Module Product Dimensions： Product Description (Detailed Explanation) The PXI-8430 is an asynchronous serial interface that provides a high level of integration with National Instruments’ software environment. Unlike standard PC serial ports, this module is engineered specifically for industrial and automated test applications. It features an NI-MUI (Micro-UART) architecture that allows for flexible baud rate settings (up to 1 Mbps) with extremely high precision. The module communicates over the PXI backplane and is fully compatible with NI-VISA, enabling seamless integration into LabVIEW, LabWindows/CVI, and Measurement Studio. Product Parameters (Technical Specifications) Parameter Category Specification Number of Ports 2 Ports Protocol RS232 (TIA/EIA-232) Interface Type PXI (32-bit, 33 MHz) Connector 9-pin D-SUB (DB9 Male) Max Baud Rate 1,000 kbps (1 Mbps) Data Bits 5, 6, 7, 8 Stop Bits 1, 1.5, 2 FIFO Buffer 128 bytes (Receive/Transmit) Isolation Non-isolated (Refer to 8430/2i for isolated version) Operating Temp 0 °C to 55 °C Product Advantages (Key Benefits) High Performance DMA: Utilizes Direct Memory Access to transfer data between the module and host memory without interrupting the CPU, resulting in ultra-smooth data streams. Custom Baud Rates: Unlike standard serial ports limited to fixed speeds, the PXI-8430 allows for custom baud rate configurations with better than 1% accuracy. Universal Software Support: Leveraging the NI-VISA driver, the module is recognized as a standard COM port, making it compatible with both NI software and standard Windows applications. Rugged PXI Form Factor: Features the mechanical stability of the PXI standard, including integrated cooling and screw-in connectors that are vibration-resistant. Hyperthreading/Multiprocessor Ready: The drivers are optimized for modern multi-core systems, ensuring thread-safe communication. Precautions (Important Notes) Driver Installation: You must install the NI-Serial driver software before inserting the module into the PXI chassis to ensure proper hardware recognition. Cable Length: RS232 is limited by standard to approximately 15 meters (50 feet). For longer distances or high-noise environments, consider RS485 or fiber optic converters. Non-Isolated: This standard version does not have galvanic isolation. If your application involves significant ground potential differences or high-voltage risks, ensure your system is properly grounded or use the isolated version (PXI-8430/2i). Power Down: Always power off the PXI chassis before installing or removing the module to prevent electrical damage to the PXI backplane. Product Applications (Typical Use Cases) Automated Test Equipment (ATE): Controlling programmable power supplies, multimeters, or signal generators that utilize RS232 control. Laboratory Automation: Interfacing with analytical instruments like balances, pH meters, or gas chromatographs. Legacy System Integration: Connecting older PLCs or CNC machines to a modern PXI-based data acquisition and control system. Device Manufacturing: High-speed firmware flashing and testing of consumer electronics during the production phase. Environmental Monitoring: Communicating with remote weather stations or sensors that transmit data via serial links. 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