Description
The PXIe-7858R, also referred to by its part numbers PXIe-7858R and 784147-01, is a high-performance module categorized under the PXI R Series. This model, the PXIe-7858, is powered by the Kintex-7 325T FPGA, offering robust processing capabilities. It comes with 512 MB of DRAM, ensuring efficient data handling and storage.
For interfacing, the module provides 8 analog input/output channels and 48 digital input/output channels, supporting a wide range of signals. The analog channels can operate at a sample rate of 1 MS/s, making it suitable for high-speed data acquisition and control tasks. Input modes available include DIFF, NRSE, RSE, which are software-selectable, providing flexibility in signal measurement. The input signal range is quite versatile, accommodating ±1 V, ±2 V, ±5 V, ±10 V, allowing the module to work with a variety of sensors and signal types.
Its design includes features for protecting the device and connected equipment. The analog inputs have a bias and offset current of ±5 nA and offer overvoltage protection of ±42 V maximum when powered on, and ±35 V maximum when powered off. For outputs, the range is ±10 V with DC coupling, and protection includes short circuit to ground, ±15 V overvoltage when powered on, and ±10 V overvoltage when powered off.
Users can configure the power-on state for all analog and digital I/Os, allowing for customized setup based on application requirements. The module also boasts a slew rate of 10 V/µs and a glitch energy of ±10 mV for 3 µs at midscale transition, indicating its ability to handle rapid signal changes smoothly
| Specification | Detail |
|---|---|
| Part Numbers | PXIe-7858R, 784147-01 |
| Category | PXI R Series |
| Model | PXIe-7858 |
| FPGA | Kintex-7 325T |
| DRAM | 512 MB |
| Analog Input/Output Channels | 8 |
| Digital Input/Output Channels | 48 |
| Sample Rate | 1 MS/s |
| Input Modes | DIFF, NRSE, RSE (software-selectable) |
| Input Signal Range | ±1 V, ±2 V, ±5 V, ±10 V |
| Input Bias and Offset Current | ±5 nA |
| Analog Input Overvoltage Protection (Powered-On) | ±42 V maximum |
| Analog Input Overvoltage Protection (Powered-Off) | ±35 V maximum |
| Output Range | ±10 V |
| Output Coupling | DC |
| Output Protection | Short circuit to ground, ±15 V overvoltage (powered-on), ±10 V overvoltage (powered-off) |
| Power-On State Configuration | User-configurable for all analog and digital I/Os |
| Slew Rate | 10 V/µs |
| Glitch Energy | ±10 mV for 3 µs at midscale transition |
| 5V Output Range | 4.75 V to 5.1 V
Question 1: What FPGA is used in the PXIe-7858R? Answer 1: Kintex-7 325T FPGA Question 2: How much DRAM does the PXIe-7858R have? Question 3: What is the sample rate of the analog channels in the PXIe-7858R? Question 4: How many digital I/O channels does the PXIe-7858R offer? Question 5: What is the analog input voltage range for the PXIe-7858R? |


