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Aloha Cabled Observatory Engineering Documentation

Vicor Startup Power Module

 

The whole power supply will actually sequence up without intervention from the controller.  The Startup Circuit keeps all circuits powered down until there is adequate current to power them on in a clean and stable manner.  First, the Controller is awakened so that it can “watch” the remainder of the sequence.  Then the A-Bus powers the Observatory under control of the first watchdog timer to establish communication from shore.  Unless instructed otherwise, the second watchdog will power up the User B-Bus.

 

 

Vicor Startup Circuit Board Vicor Startup Schematic Diagram
   
   
   
   

 

 

Back to Power Supply Block Diagram Page    To Schematic Diagram List Page

 

 

Rev: 08/10/2007

 

 

 

 

This site maintained by Bill Doi
Copyright © 2004  [SOEST/ESF]. All rights reserved.

The ALOHA Cabled Observatory is funded by the National Science Foundation

Revised: September 19, 2008