Äîêóìåíò âçÿò èç êýøà ïîèñêîâîé ìàøèíû. Àäðåñ îðèãèíàëüíîãî äîêóìåíòà : http://www.stsci.edu/hst/training/events/HowHSTWorks/SSD990225/tsld002.htm
Äàòà èçìåíåíèÿ: Unknown
Äàòà èíäåêñèðîâàíèÿ: Sun Dec 23 18:43:25 2007
Êîäèðîâêà:
Ïîèñêîâûå ñëîâà: âòîðàÿ êîñìè÷åñêàÿ ñêîðîñòü

Summary of on-board computers

Summary of on-board computers

DF-224/Coprocessor
- Executes spacecraft command timeline. Provides pointing control, power system control, gathers telemetry, provides routine safemode protection, and much more

NSSC-I
- Executes SI command timeline. Provides safety monitoring, special purpose computing, and data interface for SIs.

SI computers
- SI specific operations, science data formatting and processing, local health and safety monitoring.

PSEA
- Provides safemode control for HST when DF-224 is down

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