NI SCXI-1600 16-Bit Data Acquisition Module

Supports multi-channel synchronous sampling with a maximum sampling rate of 100 kS/s, suitable for real-time monitoring of dynamic signals (e.g., vibration, acoustic waves).

Equipped with a 16-bit ADC (Analog-to-Digital Converter) for high resolution, capturing subtle signal changes to meet high-precision measurement requirements.

As a chassis module of the SCXI (Signal Conditioning eXtensions for Instrumentation) system, it works with SCXI series signal conditioning modules (e.g., SCXI-1125, SCXI-1326) to achieve signal preprocessing such as amplification, filtering, and isolation.

Supports various signal types including analog input (AI), digital input/output (DIO), counters/timers, adapting to connections with sensors (e.g., thermocouples, strain gauges, accelerometers) and actuators.

Provides 250Vrms electrical isolation between channels and to ground, preventing common-mode interference and ground loops, suitable for industrial high-voltage environments.

Shielded structure reduces electromagnetic interference (EMI) and radio-frequency interference (RFI), ensuring signal stability.

Connects vibration sensors to monitor the operation status of motors, fans, etc., analyzing equipment wear, imbalance, and other faults through real-time vibration signal acquisition.

Collaborates with temperature sensors (e.g., thermocouples) to monitor temperature distribution in industrial furnaces and pipelines, enabling process control and safety early warning.

Acquires acoustic signals in acoustic laboratories for noise spectrum analysis; measures strain gauge signals in material mechanics experiments to study material stress characteristics.

Used in automotive engine testing to synchronously acquire multi-channel signals (speed, torque, temperature, etc.) for engine performance optimization.

Connects with pressure and flow sensors to real-time monitor process parameters (e.g., injection molding machine pressure, assembly line material flow), providing data support for quality control.

Acquires voltage and current signals of power equipment to analyze harmonic components and power quality; monitors output characteristics of solar panels and wind turbines to optimize energy management.

Front-end Input: External sensor signals (voltage, current, charge, etc.) are connected via terminal blocks like SCXI-1325/1326 and preprocessed by signal conditioning modules (e.g., SCXI-1122 amplifier, SCXI-1140 filter).

Analog-to-Digital Conversion: Conditioned analog signals enter the SCXI-1600's ADC, converting to digital quantities and temporarily stored in onboard buffers.

Data Transmission: Digital signals are transmitted to the host (e.g., PC) via the SCXI bus for real-time analysis, storage, or display by software (e.g., LabVIEW).

Drives all channel ADCs with a unified clock source to ensure consistent sampling moments for multi-channel signals, avoiding phase deviation—suitable for scenarios requiring timing analysis (e.g., vibration signal spectrum analysis).

Hardware Architecture: SCXI-1600 is installed in an SCXI chassis (e.g., SCXI-1000), obtaining power and communication buses (e.g., PXI, PCI, or USB interfaces) through the chassis backplane.

Software Control: Configures acquisition parameters (sampling rate, range, trigger mode, etc.) using NI-DAQmx driver, and develops data processing programs with LabVIEW or C language for automated acquisition and analysis.