779626-01
National Instruments
779626-01
National Instruments
Description
The 779626-01 PXI-6239, Iso (Cur: 8 AI, 2 AO; 30V: 6 DI, 4 Sinking DO) is a National Instruments PXI Multifunction I/O Module designed for precise digitization of signals with versatility in handling A/D conversion tasks. Featuring a first-in, first-out (FIFO) buffer to prevent data loss during AI acquisitions, this model offers high accuracy in multichannel filtering applications.
The 779626-01 PXI-6239, Iso (Cur: 8 AI, 2 AO; 30V: 6 DI, 4 Sinking DO) is a National Instruments PXI Multifunction I/O Module designed for both single and multiple A/D conversions in settled or infinite test scenarios. Featuring a first-in, first-out (FIFO) buffer to prevent data loss during AI acquisitions, this model offers versatility in handling A/D conversion tasks with DMA, interrupts, or custom I/O. The analog front end of the module is isolated from the earth/chassis/building ground, ensuring accurate signal conversion. The NI-PGIA on the PXI-6239 can enhance or weaken the AI signal based on the input range programmed by the user, allowing for precise digitization of signals. Considerations such as input range and settling time should be taken into account when designing measurement systems to achieve high accuracy in multichannel filtering applications.
| Made By | National Instruments |
|---|---|
| Part Number | 779626-01 PXI-6239 |
| Analog Inputs (AI) | 8 AI |
| Analog Outputs (AO) | 2 AO |
| Digital Inputs (DI) | 30 V: 6 DI |
| Sinking Digital Outputs (DO) | 4 Sinking DO |
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Question:
What is the functionality of the 779626-01 PXI-6239 from National Instruments?
Answer:
The 779626-01 PXI-6239 is a multifunction I/O module that performs single and multiple A/D conversions in various test scenarios. It features a FIFO buffer for AI acquisitions and supports DMA, interrupts, or custom I/O for versatile A/D conversion tasks.
Question:
How does the analog front end of the PXI-6239 module improve signal accuracy?
Answer:
The analog front end of the PXI-6239 module is isolated from earth/chassis/building ground, which helps in ensuring accurate signal conversion by reducing noise and potential ground loop issues.
Question:
What role does the NI-PGIA play in the operation of the PXI-6239?
Answer:
The NI-PGIA (Programmable Gain Instrumentation Amplifier) on the PXI-6239 can either enhance or weaken the AI (Analog Input) signal based on the input range programmed by the user, allowing precise digitization of signals.
Question:
What should be considered when designing measurement systems with the PXI-6239 to ensure high accuracy?
Answer:
When designing measurement systems with the PXI-6239, considerations such as input range and settling time should be taken into account to achieve high accuracy, especially in multichannel filtering applications.
Question:
How does the PXI-6239 prevent data loss during AI acquisitions?
Answer:
The PXI-6239 prevents data loss during AI acquisitions by utilizing a first-in, first-out (FIFO) buffer that temporarily stores data until it can be processed, ensuring continuity in data collection.