File $Source: /home/juda/www/hrc_flight/RCS/noop.html,v $
Version $Revision: 1.2 $
Last Update $Date: 1999/05/10 18:08:08 $
HRC CCB Status Approved

OP03 Procedures op03:

HRC Contingency Command Sequences

Serial Digital Command Interface Verification

Description:

This command sequence is used to test the HRC serial digital command interface. This sequence issues a pair of serial digital commands to the HRC whose only effect is to toggle a single bit in the serial digital telemetry stream.

Note: The command and telemetry verifier mnemonics are subject to change. The serial digital command code used is not used to turn on the -15V supply.

Cautions/Restrictions:

None

Flow Diagram

Delta-Time Command Mnemonic Description Cmd Field Mnemonic Data Parameter Telemetry Verifier Expected Value Notes
00:00:01.000 215NCAON       215NCAST ON  
00:00:40.000 215NCAOF       215NCAST OFF  

$Log: noop.html,v $

Revision 1.2 1999/05/10 18:08:08 jhc

corrected initial time delay to 1 sec

Revision 1.1 1998/12/04 14:33:56 juda

Initial revision

Dr. Michael Juda
Harvard-Smithsonian Center for Astrophysics
60 Garden Street, Mail Stop 70
Cambridge, MA 02138, USA
Ph.: (617) 495-7062
Fax: (617) 495-7356
E-mail: mjuda@cfa.harvard.edu