Description
The National Instruments M Series encompasses a range of high-quality instruments designed for multifunctional input/output operations. The model in question, the PCI-6221, is a testament to this series’ capabilities, offering a robust platform for a variety of data acquisition and control applications.
This model is identified by part numbers 779066-01 and 779418-01, underlining its position within the product line. As a Multifunction I/O Device, the PCI-6221 is equipped to handle a wide array of tasks. Its analog input capabilities are particularly notable, with the device supporting 16 single-ended or 8 differential channels, providing a versatile range of options for users. The analog inputs boast a resolution of 16 bits, ensuring high precision in measurements.
When it comes to data acquisition rate, the PCI-6221 can reach speeds up to 250 kS/s, making it suitable for capturing fast-changing signals. The device also offers 2 analog output channels, which can operate at a rate of 833 kS/s when used in a single-channel configuration, and 740 kS/s when both channels are utilized simultaneously. This capability allows for efficient output of analog signals.
Designed to work within a 3.3 V or 5 V signal environment, the PCI-6221 ensures compatibility with a broad range of external devices and systems. Its analog input absolute accuracy is rated at 3100 uV, highlighting the device’s precision in signal processing.
Despite its many features, the PCI-6221 is not equipped with simultaneous sampling capabilities. However, it compensates for this with its digital I/O capabilities, which include 8 correlated (clocked) channels for the 68-pin version up to 1 MHz, and 2 correlated (clocked) channels for the 37-pin version, enhancing its flexibility in digital signal management.
The device includes two 32-bit counters/timers, further extending its utility in
| Specification | Details |
|---|---|
| Product Line | National Instruments M Series |
| Model | PCI-6221 |
| Part Numbers | 779066-01, 779418-01 |
| Functionality | Multifunction I/O Device |
| Analog Input Channels | 16 single-ended or 8 differential |
| Analog Input Resolution | 16 bits |
| Data Acquisition Rate | 250 kS/s |
| 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 |
| Simultaneous Sampling | Not equipped |
| Digital I/O | 8 correlated (clocked) for 68-pin version up to 1 MHz, 2 correlated (clocked) for 37-pin version |
| Counters/Timers | Two 32-bit |
| DMA Channels | 6 (for analog I/O, Digital I
Question 1: What are the analog input options for PCI-6221? Question 2: What is the maximum analog input resolution of PCI-6221? Question 3: What is the data acquisition rate of PCI-6221? Question 4: What is the analog output rate for a single channel on PCI-6221? Question 5: Does the PCI-6221 have simultaneous sampling capabilities? |
