Description
The National Instruments PXI-7831 Multifunction Reconfigurable I/O Device, part number 18813.3, falls within the PXI R Series category. This model, the PXI-7831R, is designed to offer multifunction reconfigurable I/O functionalities, making it a versatile choice for a wide range of applications.
Manufactured by National Instruments, the device provides users with three adjustment levels: Basic, Intermediate, and Precise. This allows for flexible configuration according to the specific needs of the application. It features 8 analog inputs with a 16-bit input resolution, capable of achieving a maximum sampling rate of 200 kS/s. The conversion time is impressively quick at 4 μs, and it can handle an input voltage range of up to +10 volts (max working voltage +12 V) with an input terminal tolerance of +42 V without damage.
In addition to its analog input capabilities, this device boasts 8 analog outputs with an output update rate of 1 MS/s and an update time of 1 μs. It also includes 96 digital I/O terminals, providing ample connectivity for various digital devices and sensors.
The onboard FPGA is a Virtex-II V1000, with a RAM size of 720 kbits, offering substantial space for complex programming and processing tasks. The programming interface is compatible with the LabVIEW FPGA module, facilitating easy development and deployment of custom applications.
Expansion support is available through the NI-9151 for signal conditioning and I/O expansion, enhancing the device’s flexibility and adaptability in diverse environments. Despite its obsolete status announced by National Instruments, it remains available for purchase and repairs through Apex Waves, ensuring continued support for users of this advanced reconfigurable I/O device.
| Specification | Detail |
|---|---|
| Part Number | 18813.3 |
| Category | PXI R Series |
| Model | PXI-7831R |
| Description | National Instruments PXI-7831 Multifunction Reconfigurable I/O Device |
| Functionality | Multifunction Reconfigurable I/O |
| Manufacturer | National Instruments |
| Adjustment Levels | Three (Basic, Intermediate, Precise) |
| Analog Inputs | 8 |
| Input Resolution | 16 bits |
| Maximum Sampling Rate | 200 kS/s |
| Conversion Time | 4 μs |
| Input Voltage Range | +10 volts (max working voltage +12 V) |
| Input Terminal Tolerance | +42 V without damage |
| Analog Outputs | 8 |
| Output Update Rate | 1 MS/s |
| Update Time | 1 μs |
| Digital I/O Terminals | 96 |
| FPGA | Virtex-II V1000 |
| FPGA RAM Size | 720 kbits |
| Programming Interface | LabVIEW FPGA module |
| Expansion Support | Yes, NI-9151 for signal conditioning and I/O expansion |
| Obsolete Status | Announced by National Instruments, available for purchase and repairs by Apex Waves |
Question 1: What is the max sampling rate of PXI-7831R?
Answer 1: 200 kS/s
Question 2: What FPGA does the PXI-7831R use?
Answer 2: Virtex-II V1000
Question 3: How many digital I/O terminals does it have?
Answer 3: 96
Question 4: Can the PXI-7831R be used with LabVIEW FPGA?
Answer 4: Yes
Question 5: What’s the max input voltage for the PXI-7831R?
Answer 5: +10 volts
