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Product Description
The National Instruments PCIe-6251, part number 779512-01, is a high-performance DAQ board from the M Series, capable of handling 16 single-ended or 8 differential analog input channels with a 16-bit resolution. It delivers a maximum sample rate of 1.25 MS/s for single channels and 1.00 MS/s for multiple channels. The board also features 2 analog output channels with a maximum update rate of 2.86 MS/s for one channel and 2.00 MS/s for two channels, both with a 16-bit DAC resolution.
In addition, there are 24 digital I/O lines and 8 correlated DIO lines available for various digital interfacing needs. The PCIe-6251 is designed for use with NI-DAQmx, NI-DAQmx Base, and Measurement Hardware DDK driver software, providing high compatibility with a range of development environments while being incompatible with the Traditional Legacy NI-DAQ driver.
The board leverages the PCI Express interface, ensuring high-speed data transfers with a bandwidth of 250 MB/s per direction. For maintaining accuracy and performance, a regular calibration interval is recommended, ensuring that the PCIe-6251 continues to deliver reliable data acquisition for sophisticated applications.
| Feature | Specification |
|---|---|
| Part Number | 779512-01 |
| Product Line | M Series |
| Manufacturer | National Instruments |
| Analog Input Channels | 16 single-ended or 8 differential |
| Resolution (Analog Input) | 16-bit |
| Max Sample Rate (Single Channel) | 1.25 MS/s |
| Max Sample Rate (Multiple Channels) | 1.00 MS/s |
| Analog Output Channels | 2 |
| Max Update Rate (1 Channel) | 2.86 MS/s |
| Max Update Rate (2 Channels) | 2.00 MS/s |
| Resolution (Analog Output) | 16-bit DAC |
| Digital I/O | 24 |
| Correlated DIO | 8 |
| Software Compatibility | NI-DAQmx, NI-DAQmx Base, Measurement Hardware DDK (Not compatible with Traditional Legacy NI-DAQ driver) |
| PCI Express Bandwidth | 250 MB/s per direction |
Q1: What is the recommended calibration interval for the National Instruments PCIe-6251 to ensure sustained accuracy and performance in data acquisition?
A1: The maximum sample rate of the National Instruments PCIe-6251 board when operating with multiple analog input channels is 1.00 MS/s.
Q2: What is the recommended method for maintaining accuracy and performance on the National Instruments PCIe-6251 DAQ board?
A2: The maximum sample rate for multiple channels on the National Instruments PCIe-6251 DAQ board, part number 779512-01, with a 16-bit resolution is 1.00 MS/s.
Q3: What is the recommended calibration interval for the National Instruments PCIe-6251, part number 779512-01, to maintain its accuracy and performance in sophisticated data acquisition applications?
A3: The specific recommended calibration interval for the National Instruments PCIe-6251, part number 779512-01, is not provided in the description, so a general statement such as “A regular calibration interval is recommended to maintain its accuracy and performance in sophisticated data acquisition applications” would be accurate. For precise intervals, one would typically refer to the manufacturer’s specifications or documentation.
Q4: What is the maximum sample rate for multiple channels on the National Instruments PCIe-6251 DAQ board, which has part number 779512-01 and utilizes a 16-bit resolution?
A4: The recommended method for maintaining accuracy and performance on the National Instruments PCIe-6251 DAQ board is to adhere to a regular calibration interval.
Q5: What is the maximum sample rate of the National Instruments PCIe-6251 board when operating with multiple analog input channels?
A5: The specific recommended calibration interval for the National Instruments PCIe-6251 is not provided in the description, so a general statement would be: “The description suggests that a regular calibration interval is recommended for the National Instruments PCIe-6251 to ensure sustained accuracy and performance in data acquisition, but the exact frequency is not specified.” To obtain the precise interval, one would typically need to consult the user manual or contact the manufacturer’s technical support.