LIGO Document T1500405-v1

Hardware Watchdog Chassis Analysis and Review

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Document type:
T - Technical notes
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In response to a review of the final design of the Hardware Watchdog, and analysis and review of the hardware was conducted at Caltech. The focus of the review was to understand:

1. Issues relating to unreliable boot operation in the field
2. Mitigation for an undesirable logic level choice with respect to the safe reporting of status
3. Installed code revision verification

Files in Document:
  • PDF Version (HardwareWatchdogAnalysis_v1.pdf, 297.0 kB)
Other Files:
HWWD watchdog
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