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Home > Electrical & Electronics > Electrical Control System > NI PCI-6229 Multifunctional Data Acquisition Card

NI PCI-6229 Multifunctional Data Acquisition Card

NI PCI-6229 Multifunctional Data Acquisition Card photo-1

NI PCI-6229 Multifunctional Data Acquisition Card photo-2

Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)

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Material:

Other, Global universal model

Condition:

Other, Global universal model

Task:

Other, Global universal model

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Guizhou Yuanmiao Automation Equipment Co., Ltd.

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China

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Material Other, Global universal model

Condition Other, Global universal model

Task Other, Global universal model

Mathematical Model Other, Global universal model

Signal Other, Global universal model

Customized Non-Customized

Structure Other, Global universal model

NI PCI-6229I. Functional Features

High-Precision Acquisition and Multi-Channel Parallel Capability

16-bit ADC Resolution: With a dynamic range of 98dB, it captures microvolt-level weak signals (e.g., sensor outputs, bioelectrical signals), suitable for high-precision measurement scenarios.
Multi-Channel Synchronous Sampling: 16 analog input channels support synchronous sampling at up to 1.25MS/s (single channel), meeting requirements for high-frequency signals or multi-channel parallel monitoring (e.g., vibration analysis, transient signal capture).

Flexible I/O and Trigger Mechanism

24 digital I/O (TTL/CMOS compatible) with interrupt triggering, suitable for digital logic control or communication protocol simulation (e.g., UART, SPI).
3 32-bit counters/timers with a maximum counting frequency of 80MHz, supporting pulse counting, PWM generation, and pulse width measurement.
16 analog inputs (selectable ranges: ±10V, ±5V, ±1V, ±0.5V) support wide-range voltage signal acquisition.
2 analog outputs (±10V, 16-bit resolution) with up to 1.25MS/s update rate for signal excitation or waveform generation.
Analog I/O:
Digital I/O and Counters:
Triggering and Synchronization: Supports analog triggering (edge/window), digital triggering (TTL level), external clock synchronization, and re-triggering, adapting to multi-device collaborative acquisition (e.g., synchronization with oscilloscopes, DAQ modules).

High-Speed Data Transmission and System Compatibility

PCI Bus Interface: 32-bit/33MHz PCI bus with DMA technology enables real-time transmission rates up to 132MB/s, suitable for continuous large-data-stream acquisition.
Software Ecosystem: Compatible with development environments like LabVIEW, MATLAB, Python, and C++; programmable via NI-DAQmx driver, supporting Windows (7/10) and Linux systems.

II. Technical Specifications

Parameter Category	Specific Index
Analog Input	16 channels, 16-bit ADC, up to 1.25MS/s sampling rate (single channel), input ranges ±10V/±5V/±1V/±0.5V, bandwidth (-3dB) 400kHz, CMRR≥100dB @ 50/60Hz
Analog Output	2 channels, 16-bit DAC, up to 1.25MS/s update rate, ±10V output range, settling time ≤2μs
Digital I/O	24 channels (16 inputs/8 outputs), TTL/CMOS compatible, supports interrupt triggering
Counters/Timers	3 32-bit counters, maximum counting frequency 80MHz, supporting event counting, pulse width measurement, and PWM generation
Trigger Types	Internal triggering, external triggering (TTL/COMS), software triggering; supports trigger delay and re-triggering
Bus Interface	PCI (32-bit/33MHz), compatible with PCI-X motherboards
Operating Temperature	0°C~55°C (operating), -40°C~70°C (storage)

III. Typical Application Scenarios

Industrial Automation and High-Frequency Monitoring

High-Frequency Vibration Analysis: Synchronously acquires high-frequency vibration signals (e.g., impact waveforms within 100kHz) from motors, fans, etc., combined with FFT analysis for fault early warning.
Closed-Loop Control: Acquires temperature and pressure sensor signals, implementing PID control via analog outputs (e.g., precision temperature control systems, hydraulic equipment adjustment).

Scientific Research and Transient Signal Testing

Physics and Acoustic Experiments: Acquires ultrasonic and transient acoustic signals (e.g., echo signals in material non-destructive testing) to analyze waveform characteristics and propagation laws.
Electronic Signal Integrity Testing: Acquires clock jitter and edge characteristics of high-speed digital circuits to evaluate signal quality in PCB design.

Communication and Sensor Calibration

Communication Protocol Simulation: Simulates high-speed communication protocols like SPI and I2C via digital I/O to test timing compatibility of chip interfaces.
Sensor Dynamic Calibration: Provides high-frequency excitation signals for acceleration and pressure sensors, synchronously acquiring output data to complete dynamic response characteristic calibration.

IV. Comparison with NI PCI-6221

Module Model	Resolution	Sampling Rate (Analog Input)	Core Differences	Typical Application Scenarios Comparison
NI PCI-6221	16-bit	250kS/s (16-channel synchronous)	Low sampling rate, low bandwidth; suitable for low-frequency multi-channel acquisition (e.g., industrial process control, bioelectrical signals)	Low-frequency multi-channel monitoring, static signal acquisition
NI PCI-6229	16-bit	1.25MS/s (single channel)	High sampling rate, high bandwidth (400kHz); supports high-frequency signal acquisition and dynamic response testing	High-frequency vibration analysis, transient signal capture

V. Working Principle and System Integration

Signal Processing Flow

Analog Signal Chain: Input signals undergo anti-aliasing filtering, are converted to digital signals by a 16-bit ADC, and achieve real-time filtering, scaling, and buffering via FPGA, supporting distortion-free acquisition of high-frequency signals.
Digital Signal Processing: Digital I/O and counter modules implement high-speed trigger response through hardware logic, suitable for timing-sensitive applications (e.g., pulse width measurement).
Data Transmission: Transmits data via PCI bus or DMA technology, supporting real-time storage of high-frequency data streams in continuous acquisition mode (e.g., uninterrupted recording at 1MS/s sampling).

System Compatibility

Hardware: Compatible with desktop or industrial computers with standard PCI slots, combinable with other NI PCI modules (e.g., PCI-6733 analog output card) to build high-frequency test systems.
Software: Enables cross-platform programming via NI-DAQmx driver, supporting LabVIEW graphical development and Python/C++ text interfaces for easy integration into automated test platforms.

VI. Conclusion

With a high sampling rate of 1.25MS/s, 400kHz bandwidth, and 16-channel synchronous acquisition capability, the NI PCI-6229 serves as a core tool for high-frequency signal monitoring and dynamic response testing. Its advantage lies in balancing multi-channel parallel acquisition with high-frequency characteristics, making it suitable for industrial vibration analysis, scientific research transient signal capture, and high-speed electronic testing scenarios—especially applications requiring simultaneous handling of "high precision" and "high dynamics" (e.g., sensor dynamic calibration, communication signal integrity analysis).

Product Tags: PCI-6229