Description
The PXI-6259 is a multifunction DAQ device, designed to meet a wide range of applications with its versatile specifications. The part numbers for this device include 191325A-01, 779632-01, and 191325F-01L, indicating different package options or revisions that may be available.
This DAQ device falls under the category of PXI Multifunction DAQ, offering a high level of integration and performance for test and measurement systems. It features 16 differential or 32 single-ended analog input channels with a 16-Bit resolution and a sampling rate of 1.25 MS/s, providing adequate flexibility for various data acquisition tasks.
In addition to analog inputs, the PXI-6259 boasts 48 digital I/O channels and 4 analog output channels, enhancing its utility for controlling peripherals and interfacing with other devices in a test system. The maximum operating voltage for analog inputs is ±11 V, relative to AI GND, ensuring compatibility with a wide range of sensors and input signals.
The input impedance is exceptionally high, >10 GΩ in parallel with 100 pF, both from AI+ to AI GND and AI- to AI GND, minimizing the loading effect on the measured signal. With a timing resolution of 50 ns and programmable input ranges per channel, the device offers precise control over measurement parameters.
For applications requiring the measurement of rotational speed, position, or direction, the PXI-6259 includes quadrature encoder inputs with X1, X2, and X4 decoding, providing high-resolution position data. The timing accuracy of the device is up to 50 ppm, ensuring reliable and consistent measurements over time.
The PXI-6259 utilizes NI-MCal calibration technology, offering self-calibration capabilities that help maintain accuracy and reduce measurement uncertainties. With 6 DMA channels, data transfer is efficient, reducing the CPU load and ensuring real-time data processing capabilities.
The device connects through a 68-pin shielded connector, providing robust and reliable connectivity for both the signal and power connections, ensuring signal integrity and reducing noise in measurement systems.
| Specification | Details |
|---|---|
| Part Number | 191325A-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 |
| 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 Resolution | 50 ns |
| Programmable Input Ranges/Channel | 7 |
| Quadrature Encoder Inputs | X1, X2, X4 |
| Timing Accuracy | Up to 50 ppm |
| Calibration Technology | NI-MCal |
| DMA Channels | 6 |
| Connector | 68-pin shielded connector
Question 1: What is the maximum AI voltage for PXI-6259? Question 2: How many AI channels does the PXI-6259 have? Question 3: What is the PXI-6259’s timing resolution? Question 4: Does the PXI-6259 support quadrature encoder inputs? Question 5: What calibration technology does PXI-6259 use? |



