Description
The multifunction I/O device, manufactured by National Instruments, comes with a variety of part numbers including 779974-01, 779973-02, 779973-04, 779973-01, and 779974-04. This device boasts an impressive 80 analog input channels, which can be configured either as single-ended or as 40 differential channels, providing flexibility for a wide range of applications.
With an ADC resolution of 16-bit, the device ensures high precision in data acquisition. It is capable of achieving a maximum sample rate of 250 kS/s for both single and multiple channel operations, making it suitable for high-speed measurements. The timing accuracy is maintained at 50 ppm of the sample rate, ensuring reliable and consistent performance.
To maintain its accuracy, it is recommended that the device is calibrated annually. The device supports various input ranges, including ±0.2V, ±1V, ±5V, and ±10V, with a maximum working voltage for analog inputs set at ±11V. The input FIFO size is substantial, accommodating up to 4,095 samples, which allows for efficient data handling during high-speed acquisition.
In addition to its analog input capabilities, the device also features 2 analog output channels with a DAC resolution of 16-bit. This enables precise output signal generation with a maximum update rate of 833 kS/s for one channel, catering to a variety of control and simulation tasks.
| Specification | Detail |
|---|---|
| Part Numbers | 779974-01, 779973-02, 779973-04, 779973-01, 779974-04 |
| Device Type | Multifunction I/O Device |
| Manufacturer | National Instruments |
| Analog Input Channels | 80 (Single-ended or 40 Differential) |
| ADC Resolution | 16-bit |
| Max Sample Rate (Single Channel) | 250 kS/s |
| Max Sample Rate (Multiple Channels) | 250 kS/s |
| Timing Accuracy | 50 ppm of sample rate |
| Recommended Calibration Period | Annually |
| Input Ranges | ±0.2V, ±1V, ±5V, ±10V |
| Maximum Working Voltage (AI) | ±11V |
| Input FIFO Size | 4,095 samples |
| Analog Output Channels | 2 |
| DAC Resolution | 16-bit |
| Max Update Rate (One Channel) | 833 kS/s |
