Description
The USB-6221 is a multifunctional data acquisition device characterized by a variety of features designed to cater to a broad spectrum of applications. This device includes part numbers 195959-02, 779808-01, 779808-02, 779808-03, 779808-04, 779808-06, and 779808-07, ensuring a range of options for specific requirements.
It boasts 16 analog inputs and 2 analog outputs, making it capable of handling multiple signal types simultaneously. The device is further enhanced with 24 digital I/O lines, adding versatility to its functionality. The sampling rate for analog inputs is impressive at 250 kS/s, while the analog outputs can be sampled at an even higher rate of 833 kS/s. This high sampling rate ensures accurate and timely data capture and processing.
For timing and pulse-width modulation tasks, it includes two 32-bit timers, providing precise control over peripheral devices or events. Compatibility is broad, with support for Windows Vista, Measurement Studio, and LabVIEW, making it a flexible choice for integration into existing systems. The USB-6221 is also compatible with SCC and SCXI signal conditioning modules, allowing for easy expansion or customization of the input and output capabilities.
The digital lines have a drive capability of 24 mA, and the device can operate within a voltage range of ±10, accommodating a wide variety of sensors and actuators. Its functionality includes correlated digital I/O, analog I/O, and digital triggering, offering comprehensive control and data acquisition options. The integrated NI-PGIA 2 amplifier enhances signal quality and accuracy, which is maintained at 16-bit even at high scanning rates.
Despite its obsolete status, the USB-6221 remains available for purchase and repairs through Apex Waves, ensuring long-term support for users who rely on this versatile data acquisition device.
| Feature | Description |
|---|---|
| Part Numbers | 195959-02, 779808-01, 779808-02, 779808-03, 779808-04, 779808-06, 779808-07 |
| Model | USB-6221 |
| Analog Inputs | 16 |
| Analog Outputs | 2 |
| Digital I/O Lines | 24 |
| Sampling Rate (Analog Inputs) | 250 kS/s |
| Sampling Rate (Analog Outputs) | 833 kS/s |
| Timers | Two 32-bit |
| Compatibility | Windows Vista, Measurement Studio, LabVIEW |
| Signal Conditioning Compatibility | SCC, SCXI |
| Drive Capability (Digital Lines) | 24 mA |
| Voltage Range | ±10 |
| Functionality | Correlated digital I/O, Analog I/O, Digital triggering |
| Amplifier | Integrated NI-PGIA 2 |
| Accuracy | 16-bit at high scanning rates |
| Status | Obsolete (available for purchase and repairs by Apex Waves) |
Question 1: What is the maximum sampling rate for the USB-6221?
Answer 1: 833 kS/s for outputs, 250 kS/s for inputs.
Question 2: How many digital I/O lines does the USB-6221 have?
Answer 2: 24 DIO lines.
Question 3: Is the USB-6221 compatible with Windows Vista?
Answer 3: Yes, it’s compatible with Windows Vista.
Question 4: What is the drive capability of the USB-6221’s digital lines?
Answer 4: 24 mA.
Question 5: Can USB-6221 be purchased despite being obsolete?
Answer 5: Yes, available through Apex Waves.




