PXI-4204 NI Analog Input Isolation Device

Description

PXI-4204 NI Analog Input Isolation Device

Title: National Instruments PXI-4204: A Comprehensive Overview

Introduction: The National Instruments PXI-4204 (Part Number: 778745-4204) stands out as a versatile 16-Bit analog resolution, ±100 V Analog Input Module, purpose-built for PXI-based systems. This article provides a detailed exploration of its features, applications, and technical specifications.

Section 1: Key Features 1.1 Analog Input Channels: The PXI-4204 boasts 8 differential analog input channels, offering flexibility in simultaneous sampling applications.

1.2 Sample Rate and Bandwidth: With a maximum sample rate of 200 kS per second and a selectable bandwidth of 6 Hz or 10 KHz 2-pole lowpass Butterworth filter response, the module delivers high-performance data acquisition.

1.3 Input Range and HV Applications: Designed for high-voltage (HV) applications, the module provides a broad input range, making it an ideal choice for tasks like 42 V automotive measurements.

Section 2: Signal Conditioning and Front-End Design 2.1 Signal Conditioning Circuitry: The PXI-4204 is equipped with signal conditioning circuitry, offering attenuation, SS/H capability, and amplification and filtering for precise measurements.

2.2 Channel Front End Features: Each channel front end includes a balanced divide-by-ten attenuator and an analog multiplexer, enabling precise measurements up to ±100 V and programmatically routing internal test signals for self-test and calibration.

Section 3: Operational Modes 3.1 SS/H Capability: The track-and-hold circuitry allows users to enable Sample-and-Hold (SS/H) functionality, enabling synchronized measurements across multiple channels.

3.2 Multiplexed Architecture: With SS/H disabled, the module operates using a multiplexed architecture, allowing measurements across multiple channels through a single ADC.

Section 4: Compatibility and Connectivity 4.1 Driver Support: The PXI-4204 is supported by NI-DAQmx drivers (NI-DAQ 7.0 or later versions), streamlining hardware configuration and measurement processes.

4.2 ADE Compatibility: Compatible with application development environments (ADEs) such as LabVIEW, LabWindows/CVI, and Measurement Studio, the module offers flexibility in software integration.

Section 5: Physical Specifications 5.1 Connection Interface: Featuring a direct-connect interface with 1 x SMB connector and 1 x 16-pin COMBICON connector, the module ensures convenient and reliable connectivity.

5.2 Dimensions and Weight: Weighing 7.3 oz. and measuring 8.39 x 5.12 x 0.79 in., the PXI-4204 offers a compact and lightweight design.

Conclusion: The NI PXI-4204 stands as a powerful solution within the PXI-4200 Series of DAQ devices, providing application-specific signal conditioning, integrated field wiring connectivity, and data acquisition in a single product. With its robust features and compatibility, it emerges as a valuable tool for various measurement applications in both industrial and research settings.