NI PXI-8432/2 Serial interface module

NI PXI-8432/2 Overview

The NI PXI-8432/2 is a high-performance 2-port RS-232 serial interface module designed for the PXI (PCI eXtensions for Instrumentation) platform. It provides an ideal solution for automation, test, and measurement applications requiring reliable and flexible serial communication.

Product Detailed Description

• Function:

• Provides two independent RS-232 serial ports.

• Each port can communicate with external serial devices using the standard RS-232 protocol.

• Supports high-speed serial communication with data rates up to 1 Mbit/s.

• Offers software-configurable baud rate, data bits, stop bits, and parity.

• Integrates FIFO buffers for transmitting and receiving data, improving the reliability of data transfer and reducing the load on the host CPU.

• Compatible with NI-VISA (Virtual Instrument Software Architecture) drivers, simplifying programming.

• Suitable for applications requiring communication with multiple serial devices.

• Features:

• 2-port RS-232 interface.

• Data rates up to 1 Mbit/s.

• Software-configurable serial parameters.

• Integrated transmit and receive FIFO buffers.

• Compatible with NI-VISA drivers.

• PXI bus interface for high bandwidth and low latency.

• Suitable for PXI and CompactPCI systems.

Product Parameters

• Number of Ports:

• 2 RS-232 ports

• Maximum Data Rate:

• 1 Mbit/s

• Serial Standard:

• RS-232

• Connector Type:

• 2 x 9-pin D-SUB (male)

• FIFO Buffer Size:

• 128 bytes transmit and receive FIFO each

• Bus Interface:

• PXI

• Power Requirement:

• +5 V

• Typical Current Consumption:

• 300 mA

• Operating Temperature:

• 0 °C to 55 °C

• Storage Temperature:

• -20 °C to 70 °C

• Relative Humidity:

• 10% to 90% RH, noncondensing

• Size:

• Standard 3U PXI module

• Software Support:

• NI-VISA

• NI-Serial

• LabVIEW

• LabWindows/CVI

• Measurement Studio

• Operating System Support:

• Windows

• Real-Time OS (e.g., NI Real-Time Linux, VxWorks)

Product Advantages

• High Performance:

• Data rates up to 1 Mbit/s meet the needs of high-speed serial communication.

• Flexibility:

• Software-configurable serial parameters adapt to various serial devices.

• Reliability:

• Integrated FIFO buffers improve the reliability of data transfer.

• Easy Programming:

• Compatible with NI-VISA drivers, simplifying application development.

• PXI Integration:

• Leverages the high bandwidth and low latency of the PXI bus.

• Multi-Port:

• Provides two independent serial ports in a single module, saving PXI slots.

• Wide Software and OS Support:

• Compatible with NI's various software development environments and common operating systems.

Precautions

• Correct Installation:

• Install the PXI-8432/2 module into a compatible PXI or CompactPCI slot according to NI's installation guide.

• Cable Connection:

• Use the correct RS-232 cables to connect external serial devices. Pay attention to pin assignments and use null modem cables if necessary.

• Software Configuration:

• Configure the port's baud rate, data bits, stop bits, and parity correctly in NI-VISA or NI-Serial to match the settings of the external devices.

• Power Requirements:

• Ensure the PXI system provides sufficient power to the module.

• ESD Protection:

• Observe electrostatic discharge (ESD) precautions when handling the module.

• Temperature and Humidity:

• Use the module within its allowed operating temperature and humidity ranges.

Product Applications

The NI PXI-8432/2 is suitable for various test, measurement, and automation applications requiring communication with serial devices, including:

• Instrument Control:

• Controlling and communicating with scientific instruments, analytical instruments, and laboratory equipment with RS-232 interfaces.

• Data Acquisition:

• Collecting data from serial sensors, meters, and other data acquisition devices.

• Industrial Automation:

• Serial communication with PLCs, HMIs, motor drives, and other industrial equipment.

• Aerospace and Defense:

• Controlling and communicating with avionics, communication systems, and test equipment.

• Automotive Testing:

• Serial communication with ECUs (Electronic Control Units) and other in-vehicle systems.

• Communication System Testing:

• Testing and verifying serial communication interfaces and protocols.