The NI PXI-6255 is an M Series multifunction DAQ module with 80 analog inputs and 16-bit resolution for PXI systems.
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Key product information and technical features.
The PXI-6255 combines analog acquisition, analog output and digital I/O. NI documents two analog outputs and 24 digital I/O lines for this model.
The M Series User Manual provides a dedicated PCI/PXI-6255 pinout. Connector 0 carries AI 0–15 and other I/O signals; Connector 1 carries AI 16–79. Use the model-specific pinout when planning field wiring.
Verified product specifications.
| Analog input channels | 80 single-ended / 40 differential channels |
|---|---|
| ADC resolution | 16 bits |
| Maximum single-channel sample rate | 1.25 MS/s |
| Maximum aggregate multichannel sample rate | 750 kS/s |
| Analog outputs | 2 channels |
| DAC resolution | 16 bits |
| Maximum AO update rate, one channel | 2.86 MS/s |
| Maximum AO update rate, two channels | 2.00 per channel MS/s |
| Digital I/O | 24 lines |
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Manufacturer
Hardware platform
M Series DAQ module
NI-DAQmx 8.6 lists the PXI-6255 as supported hardware.
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Product-specific answers based on available technical information.
Yes. NI explicitly permits installation in PXI Express hybrid slots.
No. NI excludes this capability for the PXI-6255.