9252 National Instruments C Series 8‑Channel Voltage Input Module

Description

9252 National Instruments C Series 8‑Channel Voltage Input Module

Product Dimensions：

Product Description

The NI 9252 is an 8-channel C Series voltage input module for the CompactDAQ and CompactRIO platforms. It is designed for high-resolution, simultaneous sampling of a variety of voltage signals. Its key features include a wide measurement range, high-resolution analog-to-digital conversion, and advanced onboard filtering.

Product Specifications

• Channels: 8 analog input channels.
• Resolution: 24 bits.
• Maximum Sample Rate: 50 kS/s per channel, with simultaneous sampling across all 8 channels.
• Input Range: $\pm$10 V.
• Connectivity: The module is available with either a D-SUB connector or screw terminals for field wiring.
• Filtering: It features several programmable hardware filters, including Butterworth and comb filters, which are designed to reduce noise and improve measurement accuracy.
• Isolation: The module provides channel-to-earth isolation up to 60 VDC (CAT I), which is important for preventing ground loops and protecting the measurement system.

Product Advantages

• High Resolution: The 24-bit resolution provides excellent detail and accuracy for voltage measurements, making it suitable for applications where even small changes in signal are important.
• Simultaneous Sampling: All 8 channels sample at the same time, which is crucial for applications that need to maintain the phase relationship between multiple signals.
• Advanced Filtering: The programmable Butterworth and comb filters are a significant advantage, allowing you to tailor the noise reduction to your specific application and significantly improve the signal-to-noise ratio.
• Versatility: The $\pm$10 V input range is a standard for many industrial and lab sensors, and the option for D-SUB or screw terminal connectivity gives you flexibility in how you wire your system.
• Compact and Integrated: As a C Series module, it integrates seamlessly with NI’s CompactDAQ and CompactRIO systems, allowing for easy expansion and system customization.

Product Applications

The NI 9252 is well-suited for applications that require accurate, high-resolution voltage measurements with simultaneous sampling.

• Sensor Measurement: It can be used to acquire data from a variety of voltage-output sensors, such as pressure, temperature, and acceleration sensors.
• Machine Monitoring: Its simultaneous sampling and filtering capabilities make it a strong choice for monitoring the performance of industrial machinery, where multiple sensor inputs need to be analyzed in relation to each other.
• Scientific Research: In academic and research labs, the NI 9252 can be used for experiments that demand high-precision data acquisition.
• Automated Test Systems: It can be integrated into automated test equipment (ATE) to measure a variety of analog signals from a unit under test.

Precautions

To ensure safe and reliable operation of the NI 9252, consider these important points:

• Hazardous Voltages: Be aware of the maximum voltage limits. Do not connect signals that exceed 60 VDC. If you are dealing with hazardous voltages, ensure that all wiring is done by qualified personnel and adheres to local electrical standards.
• Channel-to-Channel Isolation: The NI 9252 does not have channel-to-channel isolation. If your application requires isolation between channels, a different module may be more appropriate.
• ESD (Electrostatic Discharge) Precautions: The module contains sensitive electronic components. Always handle it in a static-safe environment and follow proper ESD procedures to prevent damage.
• Connector Type: Be mindful of the connector type. If your module has a D-SUB connector, do not use it for hazardous voltages. The screw terminal option is required for certain hazardous voltage applications.

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