Description
The PCI-6251 is a PC-based Multifunction Data Acquisition (DAQ) device identified by part number 779070-01. This device boasts a 16-bit resolution, ensuring high precision in data collection. It offers an impressive maximum sampling rate of 1.25 MS/s for single-channel operations and 1 MS/s for multiple channels, accommodating fast-paced data acquisition needs.
Regarding input and output capabilities, the PCI-6251 supports 16 single-ended or 8 differential analog input channels and 2 output channels. It also features 24 bi-directional digital I/O channels, providing flexibility for various digital interfacing requirements. The maximum digital line drive is 24 mA, with a maximum clock rate for digital lines reaching up to 10 MHz.
For software integration, it is compatible with several driver software options including NI-DAQmx Base, Measurement Hardware DDK, and NI-DAQmx. Supported Application Development Environments (ADEs) encompass LabVIEW, LabWindows/CVI, Measurement Studio, and Microsoft Visual Studio, offering a wide range of development possibilities. The device is also compatible with NI SCXI and SCC signal conditioning modules, enhancing its adaptability to various signal types.
The PCI-6251 is equipped with 6 DMA channels and 2 counters/timers operating at 80 MHz, further enhancing its data handling capabilities. It weighs 5.2 oz and has dimensions of 15.5 x 9.7 cm, making it a compact yet powerful solution for data acquisition tasks. Despite its advanced features, the device has been announced as a legacy product, indicating that it may have limited availability or support in the future. However, calibration services are available, including options for NIST accredited calibrations through a third party, ensuring precise and reliable operation.
| Specification | Details |
|---|---|
| Part Number | 779070-01 |
| Category | PC-based Multifunction DAQ |
| Model | PCI-6251 |
| Resolution | 16-bit |
| Max Sampling Rate (Single Channel) | 1.25 MS/s |
| Max Sampling Rate (Multiple Channels) | 1 MS/s |
| Analog Input Channels | 16 single-ended or 8 differential |
| Output Channels | 2 |
| Digital I/O Channels | 24 bi-directional |
| Driver Software Options | NI-DAQmx Base, Measurement Hardware DDK, NI-DAQmx |
| Supported ADEs | LabVIEW, LabWindows/CVI, Measurement Studio, Microsoft Visual Studio |
| Signal Conditioning Compatibility | NI SCXI, SCC |
| Maximum Digital Line Drive | 24 mA |
| Maximum Clock Rate for Digital Lines | 10 MHz |
| DMA Channels | 6 |
| Counters/Timers | 2 at 80 MHz |
| Weight | 5.2 oz |
| Dimensions | 15.5 x 9.7 cm |
| Legacy Status | Announced |
| Calibration Availability | Yes, with options for NIST accredited calibrations through a 3rd party |
Question 1: What is the max sampling rate of the PCI-6251?
Answer 1: 1.25 MS/s for single-channel operations.
Question 2: How many digital I/O channels does the PCI-6251 have?
Answer 2: 24 bi-directional channels.
Question 3: What is the resolution of the PCI-6251?
Answer 3: 16-bit.
Question 4: Can the PCI-6251 use NI SCXI modules?
Answer 4: Yes, it’s compatible with NI SCXI modules.
Question 5: What is the part number for the PCI-6251?
Answer 5: 779070-01.



