Description
The NI PCI-6221 is a PC-based Multifunction Data Acquisition (DAQ) device that offers a range of features designed for versatile data collection and generation. With part numbers 779066-01 and 779418-01, this model distinguishes itself by providing 16 analog input (AI) channels that can operate as either 16 single-ended channels or 8 differential channels, coupled with a high-resolution 16-bit analog input resolution. This enables precise measurement and monitoring capabilities.
The device boasts an impressive data acquisition rate of 250 kS per second, ensuring rapid capture of signals without significant lag, making it ideal for a wide array of applications. Furthermore, it is equipped with two analog output (AO) channels, capable of a maximum output rate of 833 kS/s for a single channel and 740 kS/s when both channels are used.
In terms of digital functionality, the PCI-6221 includes 24 digital I/O (DIO) lines, providing ample capacity for interfacing with various digital devices. The signal environment is flexible, supporting both 3.3 V and 5 V signal levels, which enhances its compatibility with a broader range of sensors and actuators.
The analog input absolute accuracy is specified at 3100 uV, ensuring high fidelity in signal capture and analysis. Despite the device’s high sample rate capability, it does not support simultaneous sampling, which may be a consideration for certain applications requiring synchronized data acquisition across multiple channels.
Additional features include two 32-bit counters/timers for tasks requiring precise timing and count operations, and the capability for digital triggering, which allows for controlled data acquisition based on specific signal events.
Overall, the NI PCI-6221 is a robust and versatile DAQ device suitable for a wide range of PC-based data acquisition tasks. Its combination of high-speed analog and digital I/O, precision, and flexibility make it an excellent choice for engineers and scientists seeking reliable data acquisition solutions.
| Specification | Detail |
|---|---|
| Part Numbers | 779066-01, 779418-01 |
| Category | PC-based Multifunction DAQ |
| Model | PCI-6221 |
| Description | NI PCI-6221 (16 AI, 24 DIO, 2 AO) |
| Analog Input Channels | 16 single-ended or 8 differential |
| Analog Input Resolution | 16 bits |
| Data Acquisition Rate | 250 kS per second |
| Analog Output Channels | 2 |
| Analog Output Rate | 833 kS/s (single channel), 740 kS/s (dual channels) |
| Signal Environment | 3.3 V or 5 V |
| Analog Input Absolute Accuracy | 3100 uV |
| Maximum Sample Rate | 250 kS per second |
| Simultaneous Sampling | No |
| Counters/Timers | Two 32-bit |
| Digital Triggering | Yes |
| Compatibility |
