مبدل آنالوگ به دیجیتال 8 کانال 24 بیت با نرخ نمونه برداری 750KSPS

The DAQ24B750L8LAN is a high-speed, Ethernet-based data acquisition (DAQ) module engineered for demanding measurement and monitoring applications. Designed for simple installation without the need to open a system chassis, it connects directly through an RJ45 interface, enabling fast integration with Ethernet-enabled computers and industrial networks.

Equipped with an 8 MSample FIFO buffer, the module supports continuous, uninterrupted data streaming to host memory. It features eight simultaneous A/D converters, delivering a maximum aggregate sampling rate of up to 750 kS/s. This architecture ensures accurate, synchronized data capture across all channels, making it suitable for real-time analysis and high-throughput acquisition tasks.

Built with industrial-grade reliability while remaining cost-effective, the DAQ24B750L8LAN offers a practical solution for both factory automation environments and advanced laboratory or home-based measurement systems. Its plug-and-play design simplifies deployment and reduces setup time, allowing users to access and analyze collected data immediately after connection.

Key Applications

• Industrial process monitoring and control

• Vibration and condition monitoring

• Power quality analysis

• High-speed signal acquisition

• Test and measurement systems

• Research laboratories and university experiments

• Embedded system validation

• Data logging in automation environments

Comparison with Similar Ethernet DAQ Modules

The  DAQ24B750L8LAN and the DNx-AI-218 family (including DNA-AI-218, DNR-AI-218, and DNF-AI-218) are both 8-channel, 24-bit simultaneous sampling data acquisition solutions, but they are designed for different system architectures and priorities. While the AI-218 series is a modular board intended for integration into UEI chassis systems, the  DAQ24B750L8LAN

 is a standalone Ethernet DAQ module designed for direct network connectivity.

In terms of sampling performance, the  DAQ24B750L8LAN offers significantly higher speed, supporting up to 750 kS/s per channel. This makes it more suitable for high-frequency dynamic signal measurements such as vibration analysis, transient capture, and fast waveform monitoring. In contrast, the AI-218 family typically supports up to about 120 kS/s per channel, which is well suited for industrial sensors, strain measurement, process monitoring, and other moderate-speed applications requiring high resolution rather than extreme speed.

A major advantage of the AI-218 series is electrical isolation. These boards provide channel-to-channel and channel-to-chassis isolation, improving noise immunity and protecting equipment in harsh industrial environments. The  DAQ24B750L8LAN emphasizes high-speed streaming and large onboard buffering (8M samples FIFO) but does not inherently provide the same level of per-channel galvanic isolation. Therefore, in electrically noisy or high-voltage environments, the AI-218 modules may offer better protection and signal integrity.

From an integration standpoint, the  DAQ24B750L8LAN uses a Gigabit Ethernet (RJ45) interface, enabling flexible distributed installation over long distances without additional chassis requirements. The AI-218 boards, however, require a compatible UEI chassis and controller, which increases system cost but allows modular expansion with additional I/O types such as digital, CAN, ARINC, or other specialized interfaces. This makes the AI-218 ecosystem more scalable for large automated test systems.

Overall, the  DAQ24B750L8LAN is better suited for applications requiring high sampling rates, compact standalone deployment, and cost-effective Ethernet connectivity. The DNx/DNA/DNR/DNF-AI-218 family is more appropriate for modular, scalable, and electrically isolated industrial systems where integration flexibility and long-term platform expansion are primary concerns.

Overall, the  DAQ24B750L8LAN stands out as a high-speed, Ethernet-enabled DAQ solution that combines synchronized multi-channel acquisition, robust buffering, and cost-effective deployment—making it well suited for both industrial automation and advanced measurement systems.

The  DAQ24B750L8LAN is equipped with 8 differential analog input channels, allowing precise measurement of low-level signals while minimizing noise and ground loop interference. Each channel uses a 24-bit ADC, delivering high resolution and excellent dynamic range for capturing subtle signal variations. With a maximum sampling rate of 750 kS/s per channel, the module is well suited for high-speed signal acquisition such as vibration analysis, transient capture, and dynamic waveform monitoring.

To ensure reliable high-throughput performance, the device includes an 8-million sample FIFO buffer, enabling continuous data streaming without interruption or data loss during peak acquisition periods. The 6.25 kΩ input impedance is optimized for stable signal interfacing in industrial measurement environments. For precise event-based acquisition, the module supports a digital trigger reference with Start/Stop trigger modes, allowing users to control exactly when data recording begins and ends. Additionally, a CMRR of −94 dB ensures strong rejection of common-mode noise, which is critical in electrically noisy industrial settings. The analog inputs are provided via SMA connectors, ensuring secure, high-frequency-capable signal connections.

It operates with a typical power consumption of 5W at 12 VDC, and requires a 9–12 VDC external power supply, providing flexibility in deployment.

For communication, the unit includes one Gigabit Ethernet (RJ45) port, enabling high-speed data transfer over standard network infrastructure. This allows remote installation and distributed measurement architectures without distance limitations typical of USB systems. The module supports operating systems up to Windows 10/11 and includes a C/C++ DLL driver and SDK, giving developers direct access for custom application development, system integration, and automated test solutions.