Description
The PXI-6259 is a multifunction Data Acquisition (DAQ) device designed for use in PXI systems. With part numbers 191325F-01L and 779632-01, this device falls under the category of PXI Multifunction DAQ, offering a comprehensive solution for a wide range of measurement and control applications.
This model boasts 32 single-ended or 16 differential analog inputs, providing flexibility in connecting various sensors and signals. It also features 48 digital I/O channels for interfacing with digital devices, along with 4 analog outputs for actuating controls or generating signals. The analog inputs support 7 programmable input ranges per channel, allowing for a versatile setup to accommodate different signal levels.
The PXI-6259 delivers a high-resolution measurement capability with a 16-bit resolution and a maximum sample rate of 1.25 MS/s, ensuring accurate and high-speed data acquisition. It is equipped with quadrature encoder inputs (X1, X2, X4) for motion sensing, making it suitable for advanced applications that require precise position or speed measurement.
For applications demanding high voltage measurements, this device can operate at a maximum voltage of ±11 V (AI GND), with an input impedance of >10 GΩ in parallel with 100 pF (AI+ to AI GND) and (AI- to AI GND), ensuring accurate and safe measurements across a variety of scenarios.
The timing accuracy of up to 50 ppm and timing resolution of 50 ns further enhance the performance of the PXI-6259, enabling precise timing for measurements and control. The device is supported by NI-DAQmx driver software, facilitating easy integration and programming within National Instruments’ ecosystem.
| Specification | Detail |
|---|---|
| Part Number | 191325F-01L, 779632-01 |
| Category | PXI Multifunction DAQ |
| Model | PXI-6259 |
| Analog Inputs | 32 (Single-Ended) or 16 (Differential) |
| Digital I/O Channels | 48 |
| Analog Outputs | 4 |
| Resolution | 16-Bit |
| Maximum Sample Rate | 1.25 MS/s |
| Input Ranges/Channel | 7 programmable |
| Quadrature Encoder Inputs | X1, X2, X4 |
| Maximum Operating Voltage (AI GND) | ±11 V |
| Input Impedance | >10 GΩ in parallel with 100 pF (AI+ to AI GND) and (AI- to AI GND) |
| Timing Accuracy | Up to 50 ppm |
| Timing Resolution | 50 ns |
| Driver Software | NI-DAQmx |



