Nx24x7: Challenges and Considerations When Designing a Life...
summary
Explains concrete solutions for building a running‑for‑weeks life cycle tester: uses LabVIEW parallelism on Windows, UPS and chiller hardware, a 32‑channel TC DAQ and per‑DUT power supplies in R&D then a series/bypass rig for batch qualification, and logging by chunked files with local caching and retries. Recommends avoid USB, prefers Ethernet or CIO control, enforces re-entrant VIs, memory profiling and deployment EXEs. Includes dozens of real builds (thermal‑electric example) and practical failures and fixes.
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chapters (20)
- 0:00Introduction
- 2:02Life cycle testing purposes
- 7:1724/7 life cycle tester key considerations
- 13:41Hardware communication pitfalls
- 15:08Memory management
- 17:36File and data handling
- 19:03PC configuration
- 20:27LabVIEW licensing tips
- 21:50UI and pause/resume
- 22:33Multiple devices
- 25:27Re-entrancy in LabVIEW
- 28:44Life cycle tester UI design
- 30:30LabVIEW troubleshooting
- 31:34Avoid USB
- 34:49Network data logging
- 36:36Fault handling systems
- 37:18Windows OEM versions
- 38:21Serial communication
- 39:04Benchmarking long-term tests
- 40:51Performance monitoring tools
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