9220 National Instruments Analog input module

Description

9220 National Instruments Analog input module

Product Dimensions：

Product Description

The NI 9220 is a high-speed analog input module for the CompactRIO and CompactDAQ platforms. It provides 16 channels of simultaneous analog input, making it ideal for applications that require synchronized data acquisition from a large number of sensors or signals. The module features a high sample rate and robust signal conditioning, all in a compact C Series module form factor.

Product Specifications

• Number of Channels: 16, simultaneously sampled
• Maximum Sample Rate: 250 kS/s per channel
• Analog Input Resolution: 16-bit
• Analog Input Voltage Range: ±10 V
• Input Impedance: 1 MΩ (with power on), 2 kΩ (with power off)
• Connector Type: 16 BNC connectors for signal inputs, with a D-SUB connector for the digital side.
• Onboard Memory: 4 MB per channel
• Isolation: Channel-to-earth ground isolation

Product Advantages

The NI 9220 offers several key benefits that make it an excellent choice for demanding data acquisition applications:

• High-Speed, Simultaneous Sampling: The ability to sample all 16 channels at up to 250 kS/s simultaneously is a major advantage. This ensures all data points are time-correlated, which is critical for dynamic measurements and signal analysis.
• Compact and Rugged Form Factor: As a C Series module, it is built to withstand harsh environments. Its small size allows for high channel density in a CompactDAQ or CompactRIO chassis, saving space and making it suitable for field deployment.
• Signal Integrity: With a 16-bit resolution and a wide input voltage range, the module delivers high-quality, accurate measurements. The channel-to-earth ground isolation also helps to protect the system and reduce noise.
• Seamless Integration: It integrates seamlessly with the NI ecosystem. When used in a CompactRIO chassis, it can be programmed with the LabVIEW FPGA Module for deterministic control and custom signal processing, which is a powerful advantage for advanced applications.

Applications

The NI 9220 is well-suited for a wide variety of applications that require high-speed, synchronized data acquisition. Common applications include:

• Vibration and Acoustic Measurements: Acquiring data from accelerometers and microphones for structural analysis and sound testing.
• Power Quality Monitoring: Measuring voltage and current signals in power systems.
• Dynamic Signal Analysis: Analyzing signals in real-time for research and development.
• Engine and Mechanical Test Benches: Capturing synchronized data from multiple sensors for performance analysis and diagnostics.

Important Considerations

For optimal performance and reliable operation, keep these points in mind when using the NI 9220:

• Proper Cabling: Use high-quality BNC coaxial cables for all your analog signal inputs. This helps to maintain signal integrity and minimize noise.
• Input Voltage: The input voltage range is ±10 V. Ensure that your signals are within this range to prevent clipping or damage to the module. For signals outside of this range, you may need external signal conditioning.
• Chassis Compatibility: The NI 9220 is a C Series module and must be used in a compatible chassis, such as a CompactRIO or CompactDAQ chassis.
• Software and Drivers: To program the module, you need to install the appropriate software and drivers, typically including NI-DAQmx (for CompactDAQ) or the NI RIO driver (for CompactRIO), and a development environment like LabVIEW.

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