PROC m_fl_issclos ;Version 0 GOTO BEGIN ; ;#************************************************************************** ;# ****PROCEDURE HEADER**** ;# ;# 1.0 Introduction ;# ;# 1.1 FOT Name: m_fl_issclos ;# Simulator Validation Status: N/A ;# ;# 1.2 Date Created: 11-18-96 ;# ;# 1.3 Change Description: ;# ;# ;# 1.4 Point of Contact: H. Benefield ;# FOT Author: R. Jacobson ATSC/SOHO 286-4799 ;# ;#************************************************************************** ;# 2.0 Description ;# ;# 2.1 Narrative Description ;# ;# This procedure closes the Image Stabilization System ;# control loop. ;# ;# 2.2 Intended Use: ;# ;# Placing the MDI ISS into a mode safe for Coarse Sun ;# Pointing or other S/C modes potetially disruptive to ;# S/C pointing. ;# ;# 2.3 Duration: 2 minutes ;# ;# 2.4 References: OCD #421 ;# ;#************************************************************************** ;# 3.0 Instructions for Use: ;# ;# 3.1 Parameters Required ;# ;# None ;# ;# 3.2 Critical Activities ;# ;# TBD ;# ;# 3.3 Special Constraints or Activities ;# ;# MDI in STANDBY or IMAGING mode. At least medium rate ;# telemetry for duration of sequence. MDI Operator MUST BE ;# on station to support verification of procedure. ;# ;# ;#************************************************************************** ;# 4.0 STEPS: BEGIN: IF (P@CMD_STATE#TELECOMMAND = "AVAILABLE") THEN ELSE /CLEAR ;Clear the cmd buffer ENDIF ; Check TM is not in LR IF (P@KKTMMODE = "HK") THEN WRITE "TM IS NOT IN MEDIUM/HIGH RATE." GOTO END ENDIF ; Verify S/C PZT monitors and LT average errors are in range. ; Check for LT in range WAIT UNTIL (P@MSLTAOKN = "IN RANGE") WAIT UNTIL (P@MSLTBOKN = "IN RANGE") WAIT UNTIL (P@MSLTCOKN = "IN RANGE") ; Check LT X errors WAIT UNTIL ((P@MULTXAVE > 1.5) AND (P@MULTXAVE < 3.0)) ; Check LT Y errors WAIT UNTIL ((P@MULTYAVE > 1.5) AND (P@MULTYAVE < 3.0)) ; Command limbtracker to closed loop /MBLTCLSL /SEND ; Verify limbtracker is closed loop WAIT UNTIL (P@MKLTLOOP = "CLOSE") END: ;#************************************************************************** ;# 5.0 Final Constraints ;# ;# None ;# ;#************************************************************************** ENDPROC