The NI PCIe-6251 is an M Series PCI Express multifunction DAQ card combining analog input, analog output and digital I/O.
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Key product information and technical features.
Designed for PC-based measurement and control, this card uses a PCI Express x1 interface and NI-DAQmx software.
The input sampling limit depends on channel use: one channel supports up to 1.25 MS/s, while multichannel acquisition shares a 1 MS/s aggregate rate.
Verified product specifications.
| Host interface | PCI Express x1 |
|---|---|
| Analog input channels | 16 single-ended or 8 differential |
| Analog input resolution | 16 bits |
| Maximum single-channel sampling rate | 1.25 MS/s |
| Maximum multichannel aggregate sampling rate | 1 MS/s |
| Analog input ranges | ±10, ±5, ±2, ±1, ±0.5, ±0.2, ±0.1 V |
| Analog output channels | 2 |
| Analog output resolution | 16 bits |
| Digital I/O lines | 24 |
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Manufacturer
Host bus
M Series multifunction DAQ card
NI-DAQmx driver support; Traditional NI-DAQ (Legacy) is not supported.
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Product-specific answers based on available technical information.
It uses NI-DAQmx, not Traditional NI-DAQ (Legacy). Verify the required driver version against the host software environment.