aLIGO SEI / SUS Watchdog Design

Document #:

LIGO-T1200482-v2

Document type:

T - Technical notes

Abstract:

This document describes the design of the watchdog system (both hardware and software) for advanced LIGO SEI and SUS subsystems.

Files in Document:

• T1200482-v2_IndpdntWD_NeedFlowChart.pdf (54.6 kB)

Other Files:

• 2013-08-23_WatchdogMeetingNotes.txt (1.9 kB)
• SEISUS_WatchdogCascade.pdf (34.3 kB)
• SEISUS_WatchdogCascade_2013-09-25.graffle (94.9 kB)
• SEISUS_WatchdogCascade_2013-09-25.pdf (37.2 kB)
• aLIGOSeismicIsolation_LVEA_ComputerLayout.pdf (130.7 kB)
• watchdogscreenshots.pdf (926.9 kB)

Topics:

• Final Design
• Data Acquisition System
• System Test
• Installation
• Suspensions
• System Engineering
• Seismic Isolation
• Integration

Authors:

• Jeffrey Kissel
• Brian Lantz
• Joseph Betzwieser
• Rich Abbott
• Zhenhua Shao
• Rolf Bork
• David Barker
• Fabrice Matichard
• Sebastien Biscans

Keywords:

WD watch dog SEI SUS ISI suspensions seismic

Notes and Changes:

See aWIKI page for suggested improvements to v2: https://awiki.ligo-wa.caltech.edu/aLIGO/SeiSusWatchDogCommissioning

Related Documents:

• LIGO-T1200306: Suspension Hardware Watchdog Requirements
• LIGO-D1201549: SUS Independent Watchdog Electronics

Referenced by:

• LIGO-G1301210-v1: Software Watchdogs for SUS + ISI + HEPI
• LIGO-E1200686-v2: aLIGO HAM-ISI, "Common Documentation" (List of all DCC trees, wikis, and general documentation)
• LIGO-E1200933: aLIGO SUS General Documentation