Description
The National Instruments USB-6281 is a multifunction I/O device that offers a versatile set of features suitable for a wide range of measurement and control applications. This device is part of National Instruments’ renowned hardware lineup and is known for its reliability and performance.
With a model number of USB-6281, it supports various part numbers including 780054-01, 780054-07, 780053-04, 780053-01, and 780054-04. This range of part numbers ensures that users can find the exact configuration that meets their specific requirements.
One of the standout features of the USB-6281 is its capability to handle 16 single-ended or 8 differential analog inputs, providing flexibility in connecting various sensors or signals. The device boasts an 18-bit ADC resolution, ensuring high precision in measurements. When it comes to sampling rates, the USB-6281 can achieve up to 625 kS/s for single-channel operations and up to 500 kS/s for multiple channels, making it suitable for high-speed data acquisition tasks.
Protection features are also a key aspect of this device, with overvoltage protection of ±25 V when the device is on and ±15 V when the device is off. In conditions of overvoltage, the input current is limited to ±25 mA maximum per AI pin, safeguarding the device and connected equipment from damage. Additionally, the input bias current is controlled to ±100 pA, minimizing errors in measurements.
The USB-6281 is not limited to input capabilities; it also features 2 analog output channels with a 16-bit DAC resolution. This allows for precise control signals to be generated, with a maximum update rate of 2.86 MS/s for one channel, facilitating tasks that require quick responses and accurate timing.
In summary, the National Instruments USB-6281 is a comprehensive multifunction I/O device that combines high precision, flexibility, and protection features, making it an ideal choice for a variety of applications in data acquisition and control systems
| Specification | Details |
|---|---|
| Manufacturer | National Instruments |
| Model | USB-6281 |
| Part Numbers | 780054-01, 780054-07, 780053-04, 780053-01, 780054-04 |
| Type | Multifunction I/O Device |
| Analog Inputs | 16 single-ended or 8 differential |
| ADC Resolution | 18-bits |
| Maximum Sample Rate (Single Channel) | 625 kS/s |
| Maximum Sample Rate (Multiple Channels) | 500 kS/s |
| Overvoltage Protection (Device On) | ±25 V |
| Overvoltage Protection (Device Off) | ±15 V |
| Input Current (Overvoltage Condition) | ±25 mA max/AI pin |
| Input Bias Current | ±100 pA |
| Analog Outputs | 2 channels |
| DAC Resolution | 16-bits |
| Maximum Update Rate (One Channel) | 2.86 MS/s |
