LAB-PC-1200 National Instruments

LAB-PC-1200 National Instruments Circuit Board

Product  Description：

National Instruments (NI) circuit boards—ranging from high-performance data acquisition (DAQ) boards and PXI/PXIe modules to custom Signal Conditioning Components (SCXI) and FPGA-based RIO hardware—are engineered for precision measurement, automated testing, and advanced control applications. These boards act as the core hardware interface that bridges physical sensors and electrical signals with NI LabVIEW software, delivering high-speed data streaming and synchronized signal processing.

Product Parameters

The technical parameters of NI circuit boards vary depending on whether they are designed for standard data acquisition, high-speed digitization, or embedded control:

• ADC Resolution: Typically ranges from 12-bit for high-speed RF applications up to 24-bit or 28-bit for high-precision acoustic, structural, and temperature measurements.

• Sampling Rate: Single-channel streaming capabilities range from hundreds of kilosamples per second (kS/s) for standard modules to over several gigasamples per second (GS/s) for advanced digitizers.

• Input Voltage Range: Configurable software-selectable analog input ranges, standardly supporting choices like ±10V, ±5V, ±1V, and ±0.1V DC to maximize dynamic range.

• Bus Interface: Supports high-bandwidth backplane architectures including PXI Express (PXIe), PCI Express (PCIe), USB, and Ethernet, enabling multi-gigabyte per second data throughput.

• Onboard Memory: Equipped with deep onboard FIFO buffers and high-capacity RAM to prevent data loss or buffer overflows during intensive, high-speed streaming tasks.

• Synchronization Accuracy: Utilizes the NI-TClk synchronization technology or PXI backplane clock signals to achieve sub-nanosecond synchronization across multiple boards.

Product Advantages

NI circuit boards are highly valued in research and development and production testing due to their software-defined nature and hardware excellence:

• Seamless Software Integration: Native compatibility with NI LabVIEW, LabWindows/CVI, and Python allows engineers to configure hardware, acquire data, and analyze signals with minimal development time.

• Reconfigurable FPGA Technology: Many NI boards feature user-programmable onboard FPGAs, allowing for inline data processing, custom triggering, and real-time control loops with zero CPU latency.

• Advanced Synchronization: The underlying PXI timing architecture allows dozens of distinct boards to share trigger lines and reference clocks, enabling perfectly synchronized mass-channel test systems.

• High Signal Integrity: Built with low-noise instrumentation amplifiers and high-quality isolation barriers to ensure accurate, repeatable data collection in electrically chaotic environments.

• Scalable Architecture: The modular design allows testing systems to easily scale from a single desktop USB board to a massive, multi-chassis PXI setup containing hundreds of channels.

Product Applications

These precision boards are the industry standard across advanced engineering, scientific, and testing domains:

• Aerospace and Defense Testing: Managing hardware-in-the-loop (HIL) testing, flight simulation control, structural airframe monitoring, and telemetry data acquisition.

• Semiconductor Validation: Providing high-speed automated test equipment (ATE) solutions for wafer probing, IC validation, and mixed-signal component testing.

• Automotive Research: Powering electric vehicle (EV) battery cell monitoring, powertrain testing, and advanced driver-assistance systems (ADAS) sensor validation.

• Biomedical Engineering: Interfacing with medical imaging sensors, biopotential monitoring equipment, and high-throughput laboratory automation systems.

• Structural Health Monitoring: Measuring real-time strain gauge, accelerometer, and displacement data on large infrastructure components like bridges, wind turbines, and dams.

Important Precautions

To preserve the microvolt-level accuracy of NI hardware and ensure system longevity, the following instructions must be implemented:

• Electrostatic Discharge Safeguards: These instrumentation boards feature dense layouts of highly sensitive CMOS and FPGA components. Always wear a grounded anti-static wrist strap when handling or installing the board.

• Proper Chassis Grounding: Ensure that the host PC chassis or PXI enclosure is tied to a verified earth ground. Improper grounding creates ground loops that degrade measurement accuracy and can damage input circuitry.

• Input Overvoltage Prevention: Do not exceed the absolute maximum voltage ratings specified in the module's manual. Applying high voltages to unshielded analog inputs will destroy the multiplexers and instrumentation amplifiers.

• Ventilation and Cooling: High-performance NI boards generate significant heat during continuous high-speed sampling. Maintain the manufacturer-recommended fan clearance around the chassis to prevent thermal throttling or component fatigue.

• Signal Shielding Practices: Use shielded twisted-pair (STP) cabling for low-level analog signals. Connect the cable shield to the designated analog ground pin on the NI board only to prevent noise pickup from surrounding power cables.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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