Description
The National Instruments USB-6281 is a PC-based Multifunction Data Acquisition (DAQ) device that offers a robust set of features for advanced data collection and analysis. Manufactured by National Instruments, this model is particularly noted for its versatility and high performance in a wide range of applications.
With part numbers including 780054-01, 780054-07, 780053-04, 780053-01, and 780054-04, the USB-6281 ensures a broad compatibility and availability for various project requirements. Its primary interface is USB, making it easy to connect to most modern computers without the need for complex setup procedures.
The device boasts 16 single-ended or 8 differential analog input channels, providing flexibility in handling different types of sensors and signals. The 18-bit ADC resolution ensures high precision in measurements, capturing detailed and accurate data.
For applications requiring rapid data acquisition, the USB-6281 excels with a maximum single channel sample rate of 625 kS/s and a maximum multiple channels sample rate of 500 kS/s. This capability allows for the efficient processing of high-speed signals without significant data loss.
Safety features include overvoltage protection of ±25 V when the device is on and ±15 V when off, safeguarding the device against unexpected power surges. Additionally, the input current in overvoltage condition is limited to ±25 mA max per AI pin, with an input bias current of ±100 pA, further protecting the device and connected sensors.
The unit also provides 2 analog output channels with a 16-bit DAC resolution, allowing for precise control signals to be generated. The maximum output channel update rate can reach up to 2.86 MS/s for a single channel or 2.00 MS/s for both channels, enabling responsive and accurate output signal generation for a variety of applications.
| Feature | Specification |
|---|---|
| Manufacturer | National Instruments |
| Model | USB-6281 |
| Part Numbers | 780054-01, 780054-07, 780053-04, 780053-01, 780054-04 |
| Category | PC-based Multifunction DAQ |
| Interface | USB |
| Analog Input Channels | 16 single-ended or 8 differential |
| ADC Resolution | 18-bits |
| Maximum Single Channel Sample Rate | 625 kS/s |
| Maximum Multiple Channels Sample Rate | 500 kS/s |
| Overvoltage Protection | ±25 V (device on), ±15 V (device off) |
| Input Current (Overvoltage Condition) | ±25 mA max/AI pin |
| Input Bias Current | ±100 pA |
| Analog Output Channels | 2 |
| DAC Resolution | 16-bits |
| Maximum Output Channel Update Rate | 2.86 MS/s (1 channel), 2.00 MS/s (2 channels
Question 1: What is the maximum AI sample rate of the USB-6281? Question 2: How many AI channels does the USB-6281 have? Question 3: What ADC resolution does the USB-6281 offer? Question 4: What is the USB-6281’s AO max update rate? Question 5: What overvoltage protection does USB-6281 provide? |
