NI PCI4451: High-Performance Industrial Module for Automation Engineering Solutions

Technical Specifications: NI PCI4451

• Analog Input Channels: 4 simultaneously sampled differential inputs
• Resolution: 24-bit delta-sigma ADC per channel
• Sampling Rate: Up to 204.8 kS/s aggregate (51.2 kS/s per channel)
• Input Range: ±10 V, ±1 V, ±100 mV, ±10 mV (software selectable)
• Dynamic Range: 110 dB typical at 51.2 kS/s
• Anti-Aliasing Filter: 90% of Nyquist frequency
• Interface: 32-bit, 33 MHz PCI
• Triggering: Software, analog, and digital trigger options
• Operating Temperature: 0 °C to 55 °C
• Power Requirements: +5 VDC, 800 mA typical

Industrial Applications

Furthermore, the NI PCI4451 specifications make it ideal for various industrial applications. For instance, manufacturers implement this module in vibration analysis, acoustic testing, and structural monitoring systems. Additionally, research laboratories utilize its high-resolution capabilities for precise data acquisition in experimental setups.

Moreover, the device integrates seamlessly with LabVIEW and other NI software platforms. Consequently, engineers can quickly develop custom automation engineering solutions without extensive programming knowledge. The combination of hardware precision and software flexibility creates a powerful tool for industrial measurement systems.

Performance Advantages

The NI PCI4451 delivers superior performance compared to conventional data acquisition cards. Its simultaneous sampling architecture eliminates phase differences between channels, while the high-resolution ADCs capture minute signal details. Therefore, users obtain accurate measurements even in noisy industrial environments.

Besides, the module’s flexible input ranges accommodate various sensor types without external signal conditioning. As a result, system designers reduce component count and simplify installation. The PCI interface ensures high-speed data transfer to host computers for real-time analysis and processing.