NI SCXI-1600 Controller

Description

NI SCXI-1600 Controller

The NI SCXI-1600 is a USB data acquisition (DAQ) module designed by National Instruments to act as a high-performance control and communication interface for SCXI chassis. It effectively turns any SCXI chassis into a plug-and-play USB data acquisition system.

Here is the detailed breakdown of the product in English.

1. Product Overview

The NI SCXI-1600 is a USB Data Acquisition Module. Unlike traditional SCXI systems that require a separate DAQ card (PCI/PXI) connected via a cable, the SCXI-1600 integrates the digitization process directly into the chassis. It provides 16-bit analog input and control functions for all modules within the SCXI-1000, SCXI-1001, or SCXI-1000DC chassis.

2. Technical Specifications

The following table summarizes the key performance parameters:

3. Key Advantages

• Plug-and-Play Simplicity: Connects directly via USB, eliminating the need for internal PC slots or complex cabling.

• Integrated System: Acts as both a DAQ device and a chassis controller, reducing the total footprint of the measurement hardware.

• High Precision: The 16-bit resolution provides the sensitivity needed for scientific and industrial sensors (thermocouples, strain gages, etc.).

• Compatibility: Works seamlessly with NI-DAQmx driver software and integrates fully with LabVIEW, SignalExpress, and C#/.NET environments.

4. Important Considerations (Precautions)

• USB Bandwidth: Since it uses USB “Full Speed” architecture, high-channel-count systems sampling at maximum rates may reach bandwidth limits.

• Chassis Slot: The SCXI-1600 must be installed in the rightmost slot (Slot 0) of the SCXI chassis to control other modules.

• Driver Support: Ensure you are using a compatible version of NI-DAQmx. Newer OS versions (Windows 10/11) may require specific driver updates for legacy SCXI hardware.

• Power Sequencing: Always power on the SCXI chassis before connecting the USB cable to the PC to ensure proper device recognition.

5. Typical Applications

The SCXI-1600 is widely used in high-channel-count environments where signal conditioning (amplification, filtering, isolation) is required:

• Structural Health Monitoring: Measuring strain and vibration across large bridges or aircraft wings.

• Thermal Testing: Collecting data from hundreds of thermocouples in environmental chambers.

• Automotive Testing: Sensor logging for engine test cells and dynamometers.

• Laboratory Research: Precision voltage measurement in physics or chemical sensing.

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