Description
The PXI Multifunction DAQ, designated as the PXI-6259, is a versatile piece of equipment identifiable by part numbers 191325B-01, 779632-01, and 191325F-01L. This device is designed to cater to a wide range of data acquisition needs.
It boasts 16 differential or 32 single-ended analog input channels with a 16-Bit resolution and a sampling rate of 1.25 MS/s, providing flexibility and precision for various measurement requirements. Additionally, the PXI-6259 is equipped with 48 digital I/O channels, enhancing its capability to interface with digital devices.
The device offers 4 analog output channels, allowing for output signals to be generated based on the processed data. It also includes two 32-bit timers/counters and 6 DMA channels, which are essential for timing measurements and high-speed data transfer without burdening the CPU.
Operating within a maximum voltage of ±11 V (AI GND), it ensures a wide range of signal compatibility. The input impedance is notably high, at >10 GΩ in parallel with 100 pF (AI+ to AI GND and AI- to AI GND), minimizing the loading effect on measured signals.
The PXI-6259 excels in timing accuracy, achieving up to 50 ppm, with a resolution of 50 ns, ensuring precise timing for applications that demand high accuracy. It supports 7 programmable input ranges per channel, providing versatility in adapting to various signal levels.
For applications involving motion control or position sensing, the device includes quadrature encoder inputs (X1, X2, or X4), expanding its utility in more complex measurement setups.
Software compatibility is broad, supporting NI-DAQmx and compatible with various development environments such as LabVIEW, LabWindows/CVI, and Measurement Studio. This ensures seamless integration into existing workflows and facilitates easy programming.
Connection to the device is made through a 68-pin
| Feature | Description |
|---|---|
| Part Number | 191325B-01, 779632-01, 191325F-01L |
| Category | PXI Multifunction DAQ |
| Model | PXI-6259 |
| Analog Input Channels | 16 differential or 32 single-ended (16-Bit, 1.25 MS/s) |
| Digital I/O Channels | 48 |
| Analog Output Channels | 4 |
| Timers/Counters | Two 32-bit |
| DMA Channels | 6 |
| Maximum Operating Voltage | ±11 V (AI GND) |
| 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 |
| Programmable Input Ranges/Channel | 7 |
| Quadrature Encoder Inputs | X1, X2, or X4 |
| Software Compatibility | NI-DAQmx, compatible with LabVIEW, LabWindows/CVI, Measurement Studio |
| Connector Type | 68-pin shielded connector block |
| Calibration | Available, NIST accredited calibrations through a 3rd party or basic (unaccredited) in-house calibration |
| Obsolete Status | Announced by National Instruments, available for purchase and repairs by Apex Waves | Question 1: What is the max voltage for the PXI-6259?


