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The Galileo Energetic Particles Detector


Galileo EPD Handbook


Chapter 2. EPD Software


EPD SBAND Mission Software Requirements (continued)

Source: S. Jaskulek, various dates


Transition Mode Commands



Table 14. EPD Command Functions


Command OPCODE Old Function ROM-based Default New Function
F0 Set LSB of Lower Checksum 00H Spare 00-FFH
F1 Set MSB of Lower Checksum
Set High Voltage Command Limit 
(must be <1FH)
00H 00-0FH  
F2 Set LSB of Upper Checksum FFH Set Subcom Control  
F3 Set MSB of Upper Checksum
Set High Voltage Command Level (must be <1FH)
FC Set High Voltage Command Limit   Spare   
FD Set High Voltage Command Level   Spare   



Next: EPD Memory Storage Availability 


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Updated 8/23/19, Cameron Crane


Manufacturer: The Galileo Spacecraft was manufactured by the Jet Propulsion Laboratory, Messerschmitt-Bölkow-Blohm, General Electric, and the Hughes Aircraft Company.

Mission Duration: Galileo was planned to have a mission duration of around 8 years, but was kept in operation for 13 years, 11 months, and 3 days, until it was destroyed in a controlled impact with Jupiter on September 21, 2003.

Destination: Galileo's destination was Jupiter and its moons, which it orbitted for 7 years, 9 months, and 13 days.